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SD card unmount and file write problem in Linux...

Author Message
kracks...
Posted: Wed Oct 14, 2009 12:30 am
Guest
Dear All,
I am writing a small application in which i have to write the
captured image to SD card continuously.
I have a user interface button which helps in unmounting SD Card.
Once the user selects the unmount button i am closing the file in
which i am writing and i am unmounting the
card.
Even if i remove the card after a minute it throws a list of errors

end_request: I/O error, dev mmcblk0, sector 23655
Buffer I/O error on device mmcblk0p1, logical block 23604
lost page write due to I/O error on mmcblk0p1
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23656
Buffer I/O error on device mmcblk0p1, logical block 23605
lost page write due to I/O error on mmcblk0p1
end_request: I/O error, dev mmcblk0, sector 23657
Buffer I/O error on device mmcblk0p1, logical block 23606
lost page write due to I/O error on mmcblk0p1
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23658
Buffer I/O error on device mmcblk0p1, logical block 23607
lost page write due to I/O error on mmcblk0p1
end_request: I/O error, dev mmcblk0, sector 23659
Buffer I/O error on device mmcblk0p1, logical block 23608
lost page write due to I/O error on mmcblk0p1
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23660
Buffer I/O error on device mmcblk0p1, logical block 23609
lost page write due to I/O error on mmcblk0p1
end_request: I/O error, dev mmcblk0, sector 23661
Buffer I/O error on device mmcblk0p1, logical block 23610
lost page write due to I/O error on mmcblk0p1
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23662
Buffer I/O error on device mmcblk0p1, logical block 23611
lost page write due to I/O error on mmcblk0p1
end_request: I/O error, dev mmcblk0, sector 23663
Buffer I/O error on device mmcblk0p1, logical block 23612
lost page write due to I/O error on mmcblk0p1
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23664
Buffer I/O error on device mmcblk0p1, logical block 23613
lost page write due to I/O error on mmcblk0p1
end_request: I/O error, dev mmcblk0, sector 23665
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23666
end_request: I/O error, dev mmcblk0, sector 23667
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23668
end_request: I/O error, dev mmcblk0, sector 23669
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23670
end_request: I/O error, dev mmcblk0, sector 23671
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23672
end_request: I/O error, dev mmcblk0, sector 23673
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23674
end_request: I/O error, dev mmcblk0, sector 23675
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23676
end_request: I/O error, dev mmcblk0, sector 23677
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23678
end_request: I/O error, dev mmcblk0, sector 23679
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23680
end_request: I/O error, dev mmcblk0, sector 23681
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23682
end_request: I/O error, dev mmcblk0, sector 23683
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23684
end_request: I/O error, dev mmcblk0, sector 23685
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23686
end_request: I/O error, dev mmcblk0, sector 23687
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23688
end_request: I/O error, dev mmcblk0, sector 23689
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23690
end_request: I/O error, dev mmcblk0, sector 23691
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23692
end_request: I/O error, dev mmcblk0, sector 23693
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23694
end_request: I/O error, dev mmcblk0, sector 23695
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23696
end_request: I/O error, dev mmcblk0, sector 23697
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23698
end_request: I/O error, dev mmcblk0, sector 23699
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23700
end_request: I/O error, dev mmcblk0, sector 23701
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23702
end_request: I/O error, dev mmcblk0, sector 23703
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23704
end_request: I/O error, dev mmcblk0, sector 23705
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23706
end_request: I/O error, dev mmcblk0, sector 23707
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23708
end_request: I/O error, dev mmcblk0, sector 23709
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23710
end_request: I/O error, dev mmcblk0, sector 23711
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23712
end_request: I/O error, dev mmcblk0, sector 23713
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23714
end_request: I/O error, dev mmcblk0, sector 23715
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23716
end_request: I/O error, dev mmcblk0, sector 23717
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23718
end_request: I/O error, dev mmcblk0, sector 23719
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23720
end_request: I/O error, dev mmcblk0, sector 23721
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23722
end_request: I/O error, dev mmcblk0, sector 23723
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23724
end_request: I/O error, dev mmcblk0, sector 23725
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23726
end_request: I/O error, dev mmcblk0, sector 23727
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23728
end_request: I/O error, dev mmcblk0, sector 23729
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23730
end_request: I/O error, dev mmcblk0, sector 23731
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23732
end_request: I/O error, dev mmcblk0, sector 23733
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23734
end_request: I/O error, dev mmcblk0, sector 23735
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23736
end_request: I/O error, dev mmcblk0, sector 23737
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23738
end_request: I/O error, dev mmcblk0, sector 23739
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23740
end_request: I/O error, dev mmcblk0, sector 23741
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23742
end_request: I/O error, dev mmcblk0, sector 23743
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23744
end_request: I/O error, dev mmcblk0, sector 23745
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23746
end_request: I/O error, dev mmcblk0, sector 23747
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23748
end_request: I/O error, dev mmcblk0, sector 23749
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23750
end_request: I/O error, dev mmcblk0, sector 23751
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23752
end_request: I/O error, dev mmcblk0, sector 23753
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23754
end_request: I/O error, dev mmcblk0, sector 23755
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23756
end_request: I/O error, dev mmcblk0, sector 23757
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23758
end_request: I/O error, dev mmcblk0, sector 23759
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23760
end_request: I/O error, dev mmcblk0, sector 23761
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23762
end_request: I/O error, dev mmcblk0, sector 23763
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23764
end_request: I/O error, dev mmcblk0, sector 23765
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23766
end_request: I/O error, dev mmcblk0, sector 23767
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23768
end_request: I/O error, dev mmcblk0, sector 23769
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23770
end_request: I/O error, dev mmcblk0, sector 23771
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23772
end_request: I/O error, dev mmcblk0, sector 23773
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23774
end_request: I/O error, dev mmcblk0, sector 23775
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23776
end_request: I/O error, dev mmcblk0, sector 23777
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23778
end_request: I/O error, dev mmcblk0, sector 23779
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23780
end_request: I/O error, dev mmcblk0, sector 23781
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23782
end_request: I/O error, dev mmcblk0, sector 23783
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23784
end_request: I/O error, dev mmcblk0, sector 23785
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23786
end_request: I/O error, dev mmcblk0, sector 23787
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23788
end_request: I/O error, dev mmcblk0, sector 23789
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23790
end_request: I/O error, dev mmcblk0, sector 23791
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23792
end_request: I/O error, dev mmcblk0, sector 23793
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23794
end_request: I/O error, dev mmcblk0, sector 23795
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23796
end_request: I/O error, dev mmcblk0, sector 23797
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23798
end_request: I/O error, dev mmcblk0, sector 23799
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23800
end_request: I/O error, dev mmcblk0, sector 23801
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23802
end_request: I/O error, dev mmcblk0, sector 23803
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23804
end_request: I/O error, dev mmcblk0, sector 23805
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23806
end_request: I/O error, dev mmcblk0, sector 23807
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23808
end_request: I/O error, dev mmcblk0, sector 23809
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23810
end_request: I/O error, dev mmcblk0, sector 23811
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23812
end_request: I/O error, dev mmcblk0, sector 23813
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23814
end_request: I/O error, dev mmcblk0, sector 23815
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23816
end_request: I/O error, dev mmcblk0, sector 23817
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23818
end_request: I/O error, dev mmcblk0, sector 23819
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23820
end_request: I/O error, dev mmcblk0, sector 23821
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23822
end_request: I/O error, dev mmcblk0, sector 23823
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23824
end_request: I/O error, dev mmcblk0, sector 23825
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23826
end_request: I/O error, dev mmcblk0, sector 23827
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23828
end_request: I/O error, dev mmcblk0, sector 23829
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23830
end_request: I/O error, dev mmcblk0, sector 23831
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23832
end_request: I/O error, dev mmcblk0, sector 23833
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23834
end_request: I/O error, dev mmcblk0, sector 23835
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23836
end_request: I/O error, dev mmcblk0, sector 23837
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23838
end_request: I/O error, dev mmcblk0, sector 23839
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23840
end_request: I/O error, dev mmcblk0, sector 23841
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23842
end_request: I/O error, dev mmcblk0, sector 23843
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23844
end_request: I/O error, dev mmcblk0, sector 23845
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23846
end_request: I/O error, dev mmcblk0, sector 23847
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23848
end_request: I/O error, dev mmcblk0, sector 23849
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23850
end_request: I/O error, dev mmcblk0, sector 23851
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23852
end_request: I/O error, dev mmcblk0, sector 23853
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23854
end_request: I/O error, dev mmcblk0, sector 23855
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23856
end_request: I/O error, dev mmcblk0, sector 23857
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23858
end_request: I/O error, dev mmcblk0, sector 23859
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23860
end_request: I/O error, dev mmcblk0, sector 23861
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23862
end_request: I/O error, dev mmcblk0, sector 23863
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23864
end_request: I/O error, dev mmcblk0, sector 23865
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23866
end_request: I/O error, dev mmcblk0, sector 23867
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23868
end_request: I/O error, dev mmcblk0, sector 23869
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23870
end_request: I/O error, dev mmcblk0, sector 23871
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23872
end_request: I/O error, dev mmcblk0, sector 23873
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23874
end_request: I/O error, dev mmcblk0, sector 23875
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23876
end_request: I/O error, dev mmcblk0, sector 23877
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23878
end_request: I/O error, dev mmcblk0, sector 23879
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23880
end_request: I/O error, dev mmcblk0, sector 23881
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23882
end_request: I/O error, dev mmcblk0, sector 23883
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23884
end_request: I/O error, dev mmcblk0, sector 23885
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23886
end_request: I/O error, dev mmcblk0, sector 23887
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23888
end_request: I/O error, dev mmcblk0, sector 23889
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23890
end_request: I/O error, dev mmcblk0, sector 23891
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23892
end_request: I/O error, dev mmcblk0, sector 23893
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23894
end_request: I/O error, dev mmcblk0, sector 23895
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23896
end_request: I/O error, dev mmcblk0, sector 23897
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23898
end_request: I/O error, dev mmcblk0, sector 23899
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23900
end_request: I/O error, dev mmcblk0, sector 23901
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23902
end_request: I/O error, dev mmcblk0, sector 23903
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23904
end_request: I/O error, dev mmcblk0, sector 23905
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23906
end_request: I/O error, dev mmcblk0, sector 23907
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23908
end_request: I/O error, dev mmcblk0, sector 23909
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23910
end_request: I/O error, dev mmcblk0, sector 23911
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23912
end_request: I/O error, dev mmcblk0, sector 23913
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23914
end_request: I/O error, dev mmcblk0, sector 23915
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23916
end_request: I/O error, dev mmcblk0, sector 23917
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23918
end_request: I/O error, dev mmcblk0, sector 23919
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23920
end_request: I/O error, dev mmcblk0, sector 23921
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23922
end_request: I/O error, dev mmcblk0, sector 23923
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23924
end_request: I/O error, dev mmcblk0, sector 23925
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23926
end_request: I/O error, dev mmcblk0, sector 23927
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23928
end_request: I/O error, dev mmcblk0, sector 23929
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23930
end_request: I/O error, dev mmcblk0, sector 23931
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23932
end_request: I/O error, dev mmcblk0, sector 23933
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23934
end_request: I/O error, dev mmcblk0, sector 23935
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23936
end_request: I/O error, dev mmcblk0, sector 23937
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23938
end_request: I/O error, dev mmcblk0, sector 23939
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23940
end_request: I/O error, dev mmcblk0, sector 23941
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23942
end_request: I/O error, dev mmcblk0, sector 23943
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23944
end_request: I/O error, dev mmcblk0, sector 23945
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23946
end_request: I/O error, dev mmcblk0, sector 23947
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23948
end_request: I/O error, dev mmcblk0, sector 23949
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23950
end_request: I/O error, dev mmcblk0, sector 23951
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23952
end_request: I/O error, dev mmcblk0, sector 23953
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23954
end_request: I/O error, dev mmcblk0, sector 23955
end_request: I/O error, dev mmcblk0, sector 23956
end_request: I/O error, dev mmcblk0, sector 23957
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23958
end_request: I/O error, dev mmcblk0, sector 23959
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23960
end_request: I/O error, dev mmcblk0, sector 23961
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23962
end_request: I/O error, dev mmcblk0, sector 23963
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23964
end_request: I/O error, dev mmcblk0, sector 23965
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23966
end_request: I/O error, dev mmcblk0, sector 23967
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23968
end_request: I/O error, dev mmcblk0, sector 23969
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23970
end_request: I/O error, dev mmcblk0, sector 23971
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23972
end_request: I/O error, dev mmcblk0, sector 23973
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23974
end_request: I/O error, dev mmcblk0, sector 23975
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23976
end_request: I/O error, dev mmcblk0, sector 23977
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23978
end_request: I/O error, dev mmcblk0, sector 23979
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23980
end_request: I/O error, dev mmcblk0, sector 23981
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23982
end_request: I/O error, dev mmcblk0, sector 23983
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23984
end_request: I/O error, dev mmcblk0, sector 23985
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23986
end_request: I/O error, dev mmcblk0, sector 23987
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23988
end_request: I/O error, dev mmcblk0, sector 23989
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23990
end_request: I/O error, dev mmcblk0, sector 23991
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23992
end_request: I/O error, dev mmcblk0, sector 23993
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23994
end_request: I/O error, dev mmcblk0, sector 23995
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23996
end_request: I/O error, dev mmcblk0, sector 23997
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 23998
end_request: I/O error, dev mmcblk0, sector 23999
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24000
end_request: I/O error, dev mmcblk0, sector 24001
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24002
end_request: I/O error, dev mmcblk0, sector 24003
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24004
end_request: I/O error, dev mmcblk0, sector 24005
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24006
end_request: I/O error, dev mmcblk0, sector 24007
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24008
end_request: I/O error, dev mmcblk0, sector 24009
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24010
end_request: I/O error, dev mmcblk0, sector 24011
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24012
end_request: I/O error, dev mmcblk0, sector 24013
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24014
end_request: I/O error, dev mmcblk0, sector 24015
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24016
end_request: I/O error, dev mmcblk0, sector 24017
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24018
end_request: I/O error, dev mmcblk0, sector 24019
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24020
end_request: I/O error, dev mmcblk0, sector 24021
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24022
end_request: I/O error, dev mmcblk0, sector 24023
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24024
end_request: I/O error, dev mmcblk0, sector 24025
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24026
end_request: I/O error, dev mmcblk0, sector 24027
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24028
end_request: I/O error, dev mmcblk0, sector 24029
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24030
end_request: I/O error, dev mmcblk0, sector 24031
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24032
end_request: I/O error, dev mmcblk0, sector 24033
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24034
end_request: I/O error, dev mmcblk0, sector 24035
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24036
end_request: I/O error, dev mmcblk0, sector 24037
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24038
end_request: I/O error, dev mmcblk0, sector 24039
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24040
end_request: I/O error, dev mmcblk0, sector 24041
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24042
end_request: I/O error, dev mmcblk0, sector 24043
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24044
end_request: I/O error, dev mmcblk0, sector 24045
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24046
end_request: I/O error, dev mmcblk0, sector 24047
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24048
end_request: I/O error, dev mmcblk0, sector 24049
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24050
end_request: I/O error, dev mmcblk0, sector 24051
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24052
end_request: I/O error, dev mmcblk0, sector 24053
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24054
end_request: I/O error, dev mmcblk0, sector 24055
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24056
end_request: I/O error, dev mmcblk0, sector 24057
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24058
end_request: I/O error, dev mmcblk0, sector 24059
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24060
end_request: I/O error, dev mmcblk0, sector 24061
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24062
end_request: I/O error, dev mmcblk0, sector 24063
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24064
end_request: I/O error, dev mmcblk0, sector 24065
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24066
end_request: I/O error, dev mmcblk0, sector 24067
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24068
end_request: I/O error, dev mmcblk0, sector 24069
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24070
end_request: I/O error, dev mmcblk0, sector 24071
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24072
end_request: I/O error, dev mmcblk0, sector 24073
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24074
end_request: I/O error, dev mmcblk0, sector 24075
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24076
end_request: I/O error, dev mmcblk0, sector 24077
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24078
end_request: I/O error, dev mmcblk0, sector 24079
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24080
end_request: I/O error, dev mmcblk0, sector 24081
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24082
end_request: I/O error, dev mmcblk0, sector 24083
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24084
end_request: I/O error, dev mmcblk0, sector 24085
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24086
end_request: I/O error, dev mmcblk0, sector 24087
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24088
end_request: I/O error, dev mmcblk0, sector 24089
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24090
end_request: I/O error, dev mmcblk0, sector 24091
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24092
end_request: I/O error, dev mmcblk0, sector 24093
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24094
end_request: I/O error, dev mmcblk0, sector 24095
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24096
end_request: I/O error, dev mmcblk0, sector 24097
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24098
end_request: I/O error, dev mmcblk0, sector 24099
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24100
end_request: I/O error, dev mmcblk0, sector 24101
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24102
end_request: I/O error, dev mmcblk0, sector 24103
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24104
end_request: I/O error, dev mmcblk0, sector 24105
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24106
end_request: I/O error, dev mmcblk0, sector 24107
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24108
end_request: I/O error, dev mmcblk0, sector 24109
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24110
end_request: I/O error, dev mmcblk0, sector 24111
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24112
end_request: I/O error, dev mmcblk0, sector 24113
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24114
end_request: I/O error, dev mmcblk0, sector 24115
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24116
end_request: I/O error, dev mmcblk0, sector 24117
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24118
end_request: I/O error, dev mmcblk0, sector 24119
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24120
end_request: I/O error, dev mmcblk0, sector 24121
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24122
end_request: I/O error, dev mmcblk0, sector 24123
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24124
end_request: I/O error, dev mmcblk0, sector 24125
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24126
end_request: I/O error, dev mmcblk0, sector 24127
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24128
end_request: I/O error, dev mmcblk0, sector 24129
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24130
end_request: I/O error, dev mmcblk0, sector 24131
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24132
end_request: I/O error, dev mmcblk0, sector 24133
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24134
end_request: I/O error, dev mmcblk0, sector 24135
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24136
end_request: I/O error, dev mmcblk0, sector 24137
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24138
end_request: I/O error, dev mmcblk0, sector 24139
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24140
end_request: I/O error, dev mmcblk0, sector 24141
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24142
end_request: I/O error, dev mmcblk0, sector 24143
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24144
end_request: I/O error, dev mmcblk0, sector 24145
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24146
end_request: I/O error, dev mmcblk0, sector 24147
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24148
end_request: I/O error, dev mmcblk0, sector 24149
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24150
end_request: I/O error, dev mmcblk0, sector 24151
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24152
end_request: I/O error, dev mmcblk0, sector 24153
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24154
end_request: I/O error, dev mmcblk0, sector 24155
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24156
end_request: I/O error, dev mmcblk0, sector 24157
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24158
end_request: I/O error, dev mmcblk0, sector 24159
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24160
end_request: I/O error, dev mmcblk0, sector 24161
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24162
end_request: I/O error, dev mmcblk0, sector 24163
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24164
end_request: I/O error, dev mmcblk0, sector 24165
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24166
end_request: I/O error, dev mmcblk0, sector 24167
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24168
end_request: I/O error, dev mmcblk0, sector 24169
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24170
end_request: I/O error, dev mmcblk0, sector 24171
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24172
end_request: I/O error, dev mmcblk0, sector 24173
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24174
end_request: I/O error, dev mmcblk0, sector 24175
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24176
end_request: I/O error, dev mmcblk0, sector 24177
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24178
end_request: I/O error, dev mmcblk0, sector 24179
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24180
end_request: I/O error, dev mmcblk0, sector 24181
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24182
end_request: I/O error, dev mmcblk0, sector 24183
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24184
end_request: I/O error, dev mmcblk0, sector 24185
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24186
end_request: I/O error, dev mmcblk0, sector 24187
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24188
end_request: I/O error, dev mmcblk0, sector 24189
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24190
end_request: I/O error, dev mmcblk0, sector 24191
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24192
end_request: I/O error, dev mmcblk0, sector 24193
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24194
end_request: I/O error, dev mmcblk0, sector 24195
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24196
end_request: I/O error, dev mmcblk0, sector 24197
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24198
end_request: I/O error, dev mmcblk0, sector 24199
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24200
end_request: I/O error, dev mmcblk0, sector 24201
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24202
end_request: I/O error, dev mmcblk0, sector 24203
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24204
end_request: I/O error, dev mmcblk0, sector 24205
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24206
end_request: I/O error, dev mmcblk0, sector 24207
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24208
end_request: I/O error, dev mmcblk0, sector 24209
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24210
end_request: I/O error, dev mmcblk0, sector 24211
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24212
end_request: I/O error, dev mmcblk0, sector 24213
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24214
end_request: I/O error, dev mmcblk0, sector 24215
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24216
end_request: I/O error, dev mmcblk0, sector 24217
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24218
end_request: I/O error, dev mmcblk0, sector 24219
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24220
end_request: I/O error, dev mmcblk0, sector 24221
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24222
end_request: I/O error, dev mmcblk0, sector 24223
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 3584
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 64
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 61
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 55
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24224
end_request: I/O error, dev mmcblk0, sector 24225
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24226
end_request: I/O error, dev mmcblk0, sector 24227
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24228
end_request: I/O error, dev mmcblk0, sector 24229
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24230
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24231
end_request: I/O error, dev mmcblk0, sector 24232
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24233
end_request: I/O error, dev mmcblk0, sector 24234
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24235
end_request: I/O error, dev mmcblk0, sector 24236
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24237
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24238
end_request: I/O error, dev mmcblk0, sector 24239
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24240
end_request: I/O error, dev mmcblk0, sector 24241
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24242
end_request: I/O error, dev mmcblk0, sector 24243
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24244
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24245
end_request: I/O error, dev mmcblk0, sector 24246
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24247
end_request: I/O error, dev mmcblk0, sector 24248
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24249
end_request: I/O error, dev mmcblk0, sector 24250
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24251
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24252
end_request: I/O error, dev mmcblk0, sector 24253
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24254
end_request: I/O error, dev mmcblk0, sector 24255
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24256
end_request: I/O error, dev mmcblk0, sector 24257
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24258
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24259
end_request: I/O error, dev mmcblk0, sector 24260
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24261
end_request: I/O error, dev mmcblk0, sector 24262
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24263
end_request: I/O error, dev mmcblk0, sector 24264
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24265
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24266
end_request: I/O error, dev mmcblk0, sector 24267
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24268
end_request: I/O error, dev mmcblk0, sector 24269
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24270
end_request: I/O error, dev mmcblk0, sector 24271
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24272
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24273
end_request: I/O error, dev mmcblk0, sector 24274
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24275
end_request: I/O error, dev mmcblk0, sector 24276
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24277
end_request: I/O error, dev mmcblk0, sector 24278
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24279
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24280
end_request: I/O error, dev mmcblk0, sector 24281
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24282
end_request: I/O error, dev mmcblk0, sector 24283
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24284
end_request: I/O error, dev mmcblk0, sector 24285
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24286
mmcblk0: error 1 sending read/write command
end_request: I/O error, dev mmcblk0, sector 24287



After a remove the card I get no data in the last file saved.
Is there any way to handle SD mount and unmount while writing to a
file
I am using the system command like
fopen("/mnt/mmc/test.m4e","w");
then write directly to file in SD card.

Suggest me the way to handle SD card unmount,file write.



Regards,
Kirthika
 
Jerry Peters...
Posted: Wed Oct 14, 2009 10:19 am
Guest
Juergen Beisert <jbeisert at (no spam) netscape.net> wrote:
Quote:
kracks wrote:
I am writing a small application in which i have to write the
captured image to SD card continuously.
I have a user interface button which helps in unmounting SD Card.
Once the user selects the unmount button i am closing the file in
which i am writing and i am unmounting the
card.
Even if i remove the card after a minute it throws a list of errors

Are you really sure you unmount its filesystem?

jbe

Or to put it more exactly: has the FS system actually unmounted? SD

cards are slow, the kernel could easily have megabytes of data
buffered that it has to write to the card.
Do you wait for the umount to complete before removing the card?

Jerry
 
Juergen Beisert...
Posted: Wed Oct 14, 2009 12:39 pm
Guest
kracks wrote:
Quote:
I am writing a small application in which i have to write the
captured image to SD card continuously.
I have a user interface button which helps in unmounting SD Card.
Once the user selects the unmount button i am closing the file in
which i am writing and i am unmounting the
card.
Even if i remove the card after a minute it throws a list of errors

Are you really sure you unmount its filesystem?

jbe
 
kracks...
Posted: Wed Oct 14, 2009 2:16 pm
Guest
On Oct 15, 5:19 am, Jerry Peters <je... at (no spam) example.invalid> wrote:
Quote:
Juergen Beisert <jbeis... at (no spam) netscape.net> wrote:
kracks wrote:
  I am writing a small application in which i have to write the
captured image to SD card continuously.
  I have a user interface button which helps in unmounting SD Card.
 Once the user selects the unmount button i am closing the file in
which i am writing and i am unmounting the
 card.
 Even if i remove the card after a minute it throws a list of errors

Are you really sure you unmount its filesystem?

jbe

Or to put it more exactly: has the FS system actually unmounted? SD
cards are slow, the kernel could easily have megabytes of data
buffered that it has to write to the card.
Do you wait for the umount to complete before removing the card?

        Jerry

Is there any way to find whether the card is unmounted or not if it
has Mega bytes of data.
I am using the command
system("umount /mnt/mmc")

Is there any way to check really the SD card is unmounted or not using
the above command.


One more doubt:
If i write the capture data for 5 min which comes aroud 10MB directly
to SD card does it take long time.
 
Trevor Hemsley...
Posted: Wed Oct 14, 2009 6:57 pm
Guest
On Thu, 15 Oct 2009 00:16:31 UTC in comp.os.linux.development.system, kracks
<kirthikaiitm at (no spam) gmail.com> wrote:

Quote:
I am using the command
system("umount /mnt/mmc")

Do you check it works?

--
Trevor Hemsley, Brighton, UK
Trevor dot Hemsley at ntlworld dot com
 
kracks...
Posted: Wed Oct 14, 2009 9:17 pm
Guest
On Oct 15, 9:57 am, "Trevor Hemsley"
<Trevor.Hems... at (no spam) mytrousers.ntlworld.com> wrote:
Quote:
On Thu, 15 Oct 2009 00:16:31 UTC in comp.os.linux.development.system, kracks

kirthikai... at (no spam) gmail.com> wrote:
I am using the command
                system("umount /mnt/mmc")

Do you check it works?

--
Trevor Hemsley, Brighton, UK
Trevor dot Hemsley at ntlworld dot com

yeah it works
 
Juergen Beisert...
Posted: Sat Oct 17, 2009 5:18 am
Guest
kracks wrote:
Quote:
On Oct 15, 9:57 am, "Trevor Hemsley"
Trevor.Hems... at (no spam) mytrousers.ntlworld.com> wrote:
On Thu, 15 Oct 2009 00:16:31 UTC in comp.os.linux.development.system,
kracks

kirthikai... at (no spam) gmail.com> wrote:
I am using the command
system("umount /mnt/mmc")

Do you check it works?

--
Trevor Hemsley, Brighton, UK
Trevor dot Hemsley at ntlworld dot com

yeah it works

I did a test here with my own system (Samsung S3C2440 based system with
kernel 2.6.31.4):

[kernel message]
s3c2440-sdi s3c2440-sdi: powered down.
s3c2440-sdi s3c2440-sdi: running at 0kHz (requested: 0kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 24978kHz (requested: 25000kHz).
s3c2440-sdi s3c2440-sdi: running at 24978kHz (requested: 25000kHz).
mmc0: new SD card at address 8d7e
mmcblk0: mmc0:8d7e SD02G 1.83 GiB
mmcblk0: p1 p2

root at (no spam) H24X0:/ free
total used free shared buffers
Mem: 29804 3900 25904 0 0
Swap: 0 0 0
Total: 29804 3900 25904

root at (no spam) H24X0:/ echo 3 > /proc/sys/vm/drop_caches
root at (no spam) H24X0:/ free
total used free shared buffers
Mem: 29804 3536 26268 0 0
Swap: 0 0 0
Total: 29804 3536 26268

root at (no spam) H24X0:/ mount /dev/mmcblk0p2 /mnt
root at (no spam) H24X0:/ cd mnt
root at (no spam) H24X0:/mnt mkdir temp5
root at (no spam) H24X0:/mnt tar -xzf ./testarchive.tgz -C temp5
root at (no spam) H24X0:/mnt free
total used free shared buffers
Mem: 29804 28788 1016 0 280
Swap: 0 0 0
Total: 29804 28788 1016
root at (no spam) H24X0:/mnt cd /
root at (no spam) H24X0:/ umount /mnt
root at (no spam) H24X0:/ free
total used free shared buffers
Mem: 29804 3608 26196 0 0
Swap: 0 0 0
Total: 29804 3608 26196
root at (no spam) H24X0:/

[kernel message:]
mmc0: card 8d7e removed
s3c2440-sdi s3c2440-sdi: powered down.

My "umount" works as expected. So, I believe your "umount" does not.

jbe
 
kracks...
Posted: Tue Oct 20, 2009 2:21 am
Guest
On Oct 17, 8:18 pm, Juergen Beisert <jbeis... at (no spam) netscape.net> wrote:
Quote:
kracks wrote:
On Oct 15, 9:57 am, "Trevor Hemsley"
Trevor.Hems... at (no spam) mytrousers.ntlworld.com> wrote:
On Thu, 15 Oct 2009 00:16:31 UTC in comp.os.linux.development.system,
kracks

kirthikai... at (no spam) gmail.com> wrote:
I am using the command
system("umount /mnt/mmc")

Do you check it works?

--
Trevor Hemsley, Brighton, UK
Trevor dot Hemsley at ntlworld dot com

yeah it works

I did a test here with my own system (Samsung S3C2440 based system with
kernel 2.6.31.4):

[kernel message]
s3c2440-sdi s3c2440-sdi: powered down.
s3c2440-sdi s3c2440-sdi: running at 0kHz (requested: 0kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 24978kHz (requested: 25000kHz).
s3c2440-sdi s3c2440-sdi: running at 24978kHz (requested: 25000kHz).
mmc0: new SD card at address 8d7e
mmcblk0: mmc0:8d7e SD02G 1.83 GiB
 mmcblk0: p1 p2

root at (no spam) H24X0:/ free
              total         used         free       shared      buffers
  Mem:        29804         3900        25904            0            0
 Swap:            0            0            0
Total:        29804         3900        25904

root at (no spam) H24X0:/ echo 3 > /proc/sys/vm/drop_caches
root at (no spam) H24X0:/ free
              total         used         free       shared      buffers
  Mem:        29804         3536        26268            0            0
 Swap:            0            0            0
Total:        29804         3536        26268

root at (no spam) H24X0:/ mount /dev/mmcblk0p2 /mnt
root at (no spam) H24X0:/ cd mnt
root at (no spam) H24X0:/mnt mkdir temp5
root at (no spam) H24X0:/mnt tar -xzf ./testarchive.tgz -C temp5
root at (no spam) H24X0:/mnt free
              total         used         free       shared      buffers
  Mem:        29804        28788         1016            0          280
 Swap:            0            0            0
Total:        29804        28788         1016
root at (no spam) H24X0:/mnt cd /
root at (no spam) H24X0:/ umount /mnt
root at (no spam) H24X0:/ free
              total         used         free       shared      buffers
  Mem:        29804         3608        26196            0            0
 Swap:            0            0            0
Total:        29804         3608        26196
root at (no spam) H24X0:/

[kernel message:]
mmc0: card 8d7e removed
s3c2440-sdi s3c2440-sdi: powered down.

My "umount" works as expected. So, I believe your "umount" does not.

jbe- Hide quoted text -

- Show quoted text -

I have problem in writing to SD card which takes longer than expected.
I am umounting the card before the buffered data is transferred.That
results in problem.

Thanks a lot.
Thanks a lot.
 
Juergen Beisert...
Posted: Tue Oct 20, 2009 9:19 am
Guest
kracks wrote:

Quote:
On Oct 17, 8:18 pm, Juergen Beisert <jbeis... at (no spam) netscape.net> wrote:
kracks wrote:
On Oct 15, 9:57 am, "Trevor Hemsley"
Trevor.Hems... at (no spam) mytrousers.ntlworld.com> wrote:
On Thu, 15 Oct 2009 00:16:31 UTC in comp.os.linux.development.system,
kracks

kirthikai... at (no spam) gmail.com> wrote:
I am using the command
system("umount /mnt/mmc")

Do you check it works?

--
Trevor Hemsley, Brighton, UK
Trevor dot Hemsley at ntlworld dot com

yeah it works

I did a test here with my own system (Samsung S3C2440 based system with
kernel 2.6.31.4):

[kernel message]
s3c2440-sdi s3c2440-sdi: powered down.
s3c2440-sdi s3c2440-sdi: running at 0kHz (requested: 0kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 24978kHz (requested: 25000kHz).
s3c2440-sdi s3c2440-sdi: running at 24978kHz (requested: 25000kHz).
mmc0: new SD card at address 8d7e
mmcblk0: mmc0:8d7e SD02G 1.83 GiB
mmcblk0: p1 p2

root at (no spam) H24X0:/ free
total         used         free       shared      buffers
Mem:        29804         3900        25904            0            0
Swap:            0            0            0
Total:        29804         3900        25904

root at (no spam) H24X0:/ echo 3 > /proc/sys/vm/drop_caches
root at (no spam) H24X0:/ free
total         used         free       shared      buffers
Mem:        29804         3536        26268            0            0
Swap:            0            0            0
Total:        29804         3536        26268

root at (no spam) H24X0:/ mount /dev/mmcblk0p2 /mnt
root at (no spam) H24X0:/ cd mnt
root at (no spam) H24X0:/mnt mkdir temp5
root at (no spam) H24X0:/mnt tar -xzf ./testarchive.tgz -C temp5
root at (no spam) H24X0:/mnt free
total         used         free       shared      buffers
Mem:        29804        28788         1016            0          280
Swap:            0            0            0
Total:        29804        28788         1016
root at (no spam) H24X0:/mnt cd /
root at (no spam) H24X0:/ umount /mnt
root at (no spam) H24X0:/ free
total         used         free       shared      buffers
Mem:        29804         3608        26196            0            0
Swap:            0            0            0
Total:        29804         3608        26196
root at (no spam) H24X0:/

[kernel message:]
mmc0: card 8d7e removed
s3c2440-sdi s3c2440-sdi: powered down.

My "umount" works as expected. So, I believe your "umount" does not.

jbe- Hide quoted text -

- Show quoted text -

I have problem in writing to SD card which takes longer than expected.
I am umounting the card before the buffered data is transferred.That
results in problem.

My "unmount" returns, when all cached data is written to the sd card. So,
you only have to wait until "umount" returns.

jbe
 
Jerry Peters...
Posted: Tue Oct 20, 2009 10:36 am
Guest
Juergen Beisert <jbeisert at (no spam) netscape.net> wrote:
Quote:
kracks wrote:

On Oct 17, 8:18 pm, Juergen Beisert <jbeis... at (no spam) netscape.net> wrote:
kracks wrote:
On Oct 15, 9:57 am, "Trevor Hemsley"
Trevor.Hems... at (no spam) mytrousers.ntlworld.com> wrote:
On Thu, 15 Oct 2009 00:16:31 UTC in comp.os.linux.development.system,
kracks

kirthikai... at (no spam) gmail.com> wrote:
I am using the command
system("umount /mnt/mmc")

Do you check it works?

--
Trevor Hemsley, Brighton, UK
Trevor dot Hemsley at ntlworld dot com

yeah it works

I did a test here with my own system (Samsung S3C2440 based system with
kernel 2.6.31.4):

[kernel message]
s3c2440-sdi s3c2440-sdi: powered down.
s3c2440-sdi s3c2440-sdi: running at 0kHz (requested: 0kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 399kHz (requested: 400kHz).
s3c2440-sdi s3c2440-sdi: running at 24978kHz (requested: 25000kHz).
s3c2440-sdi s3c2440-sdi: running at 24978kHz (requested: 25000kHz).
mmc0: new SD card at address 8d7e
mmcblk0: mmc0:8d7e SD02G 1.83 GiB
mmcblk0: p1 p2

root at (no spam) H24X0:/ free
total         used         free       shared      buffers
Mem:        29804         3900        25904            0            0
Swap:            0            0            0
Total:        29804         3900        25904

root at (no spam) H24X0:/ echo 3 > /proc/sys/vm/drop_caches
root at (no spam) H24X0:/ free
total         used         free       shared      buffers
Mem:        29804         3536        26268            0            0
Swap:            0            0            0
Total:        29804         3536        26268

root at (no spam) H24X0:/ mount /dev/mmcblk0p2 /mnt
root at (no spam) H24X0:/ cd mnt
root at (no spam) H24X0:/mnt mkdir temp5
root at (no spam) H24X0:/mnt tar -xzf ./testarchive.tgz -C temp5
root at (no spam) H24X0:/mnt free
total         used         free       shared      buffers
Mem:        29804        28788         1016            0          280
Swap:            0            0            0
Total:        29804        28788         1016
root at (no spam) H24X0:/mnt cd /
root at (no spam) H24X0:/ umount /mnt
root at (no spam) H24X0:/ free
total         used         free       shared      buffers
Mem:        29804         3608        26196            0            0
Swap:            0            0            0
Total:        29804         3608        26196
root at (no spam) H24X0:/

[kernel message:]
mmc0: card 8d7e removed
s3c2440-sdi s3c2440-sdi: powered down.

My "umount" works as expected. So, I believe your "umount" does not.

jbe- Hide quoted text -

- Show quoted text -

I have problem in writing to SD card which takes longer than expected.
I am umounting the card before the buffered data is transferred.That
results in problem.

My "unmount" returns, when all cached data is written to the sd card. So,
you only have to wait until "umount" returns.

jbe

Try issuing fdatasync calls periodically while writing to flush the
data to the device. This will speed up the umount since there should
be less data in the cache to write. You still need to wait for the
umount to complete *and* check that it was successful,

Jerry
 
 
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