Hi!
I've just come across to the same bug. In my case, I have just copied a
big file, about 700MB, to my MMC card. After that I could not unmount it
and now it doesn't seem to mount properly. Is the file system screwed? I
thought that this memory cards use FAT-32, but if so, it should not give
any problem, should it? Here below is the dmesg output (sorry in advance
for the long post):
[56483.372384] usb 2-7: new high speed USB device using ehci_hcd and address 8
[56483.437076] usb 2-7: configuration #1 chosen from 1 choice
[56483.437358] scsi12 : SCSI emulation for USB Mass Storage devices
[56483.437454] usb-storage: device found at 8
[56483.437456] usb-storage: waiting for device to settle before scanning
[56485.708622] usb-storage: device scan complete
[56485.709075] scsi 12:0:0:0: Direct-Access Generic STORAGE DEVICE 9321
PQ: 0 ANSI: 0
[56485.742639] SCSI device sdb: 2007040 512-byte hdwr sectors (1028 MB)
[56485.743832] sdb: Write Protect is off
[56485.743834] sdb: Mode Sense: 03 00 00 00
[56485.743836] sdb: assuming drive cache: write through
[56485.746273] SCSI device sdb: 2007040 512-byte hdwr sectors (1028 MB)
[56485.747467] sdb: Write Protect is off
[56485.747469] sdb: Mode Sense: 03 00 00 00
[56485.747471] sdb: assuming drive cache: write through
[56485.747473] sdb: sdb1
[56485.748199] sd 12:0:0:0: Attached scsi removable disk sdb
[56485.748232] sd 12:0:0:0: Attached scsi generic sg1 type 0
[56488.800558] sd 12:0:0:0: Device not ready: <6>: Current: sense key: Not Ready
[56488.800563] Additional sense: Medium not present
[56488.800567] end_request: I/O error, dev sdb, sector 2584
[56488.800746] FAT: Directory bread(block 536) failed
[56488.802374] sd 12:0:0:0: Device not ready: <6>: Current: sense key: Not Ready
[56488.800563] Additional sense: Medium not present
[56488.800567] end_request: I/O error, dev sdb, sector 2584
[56488.800746] FAT: Directory bread(block 536) failed
[56488.802374] sd 12:0:0:0: Device not ready: <6>: Current: sense key: Not Ready
[56488.802377] Additional sense: Medium not present
[56488.802380] end_request: I/O error, dev sdb, sector 2585
[56488.802566] FAT: Directory bread(block 537) failed
[56488.804414] sd 12:0:0:0: Device not ready: <6>: Current: sense key: Not Ready
[56488.804418] Additional sense: Medium not present
[56488.804422] end_request: I/O error, dev sdb, sector 2586
[56488.807029] FAT: Directory bread(block 538) failed
...
[56488.807325] FAT: Directory bread(block 543) failed
[56488.835833] FAT: FAT read failed (blocknr 110)
[56488.842678] FAT: Directory bread(block 536) failed
...
[56488.844086] FAT: Directory bread(block 543) failed
[56489.046425] FAT: FAT read failed (blocknr 22)
[56489.046498] FAT: FAT read failed (blocknr 22)
and goes on.
My kernel is 2.6.20-16-generic in Ubuntu 7.04 Feisty. I do not really
know which package it belongs to...
Thanks in advance for your help and Merry Christmas!
Toni
** Changed in: linux-source-2.6.15 (Ubuntu)
Status: Invalid => New
--
Unable to umount/sync USB storage after writing data in Dapper
https://bugs.launchpad.net/bugs/48370
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