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I'm using Ubuntu Linux Hoary
root@icebox:~# uname -a
Linux icebox 2.6.10-5-686 #1 Tue Mar 15 15:16:01 UTC 2005 i686 GNU/Linux
root@icebox:~# fsck.vfat -r /dev/sda1
dosfsck 2.10, 22 Sep 2003, FAT32, LFN
/\uffffSCK0000.REN
Duplicate directory entry.
First Size 0 bytes, date 19:03:36 Mar 04 1980
Second Size 0 bytes, date 19:00:00 Dec 31 1979
1) Drop first
2) Drop second
3) Rename first
4) Rename second
5) Auto-rename first
6) Auto-rename second
? 5
Renamed to FSCK0000.REN
Perform changes ? (y/n) y
/dev/sda1: 187 files, 167150/246288 clusters
root@icebox:~# fsck.vfat -r /dev/sda1
dosfsck 2.10, 22 Sep 2003, FAT32, LFN
/dev/sda1: 187 files, 167150/246288 clusters
Now the FS is clean.
root@icebox:~# mount /dev/sda1 /media/usbdisk/
root@icebox:~# vim /media/usbdisk/a.txt
root@icebox:~# rm /media/usbdisk/a.txt
Created, deleted a.txt
root@icebox:~# umount /media/usbdisk/
root@icebox:~# fsck.vfat -r /dev/sda1
dosfsck 2.10, 22 Sep 2003, FAT32, LFN
/\uffff.\000a\000.\000t.\000x\000
Bad file name.
1) Drop file
2) Rename file
3) Auto-rename
4) Keep it
Does that say a.txt?
? 1
/\uffffa\000.\000t\000x.\000t\000
Bad file name.
1) Drop file
2) Rename file
3) Auto-rename
4) Keep it
? 1
/\uffff.\000a\000.\000t.\000x\000
Start cluster beyond limit (7798784 > 246289). Truncating file.
/\uffff.\000a\000.\000t.\000x\000
File size is 4294967295 bytes, cluster chain length is 0 bytes.
Truncating file to 0 bytes.
/\uffffa\000.\000t\000x.\000t\000
Start cluster beyond limit (4294901760 > 246289). Truncating file.
/\uffffa\000.\000t\000x.\000t\000
File size is 4294967295 bytes, cluster chain length is 0 bytes.
Truncating file to 0 bytes.
/\uffff.TXT
Contains a free cluster (167160). Assuming EOF.
/\uffff.TXT
File size is 5 bytes, cluster chain length is 0 bytes.
Truncating file to 0 bytes.
Perform changes ? (y/n) y
I didn't pull the disk out at all, or anything. Just umounted and
remounted and made/removed a file. Also. . .
/dev/sda1: 189 files, 167150/246288 clusters
root@icebox:~# fsck.vfat -r /dev/sda1
dosfsck 2.10, 22 Sep 2003, FAT32, LFN
/\uffff.\000a\000.\000t.\000x\000
Bad file name.
1) Drop file
2) Rename file
3) Auto-rename
4) Keep it
? 3
Renamed to FSCK0001.REN
/\uffffa\000.\000t\000x.\000t\000
Bad file name.
1) Drop file
2) Rename file
3) Auto-rename
4) Keep it
? 3
Renamed to FSCK0002.REN
Perform changes ? (y/n) y
/dev/sda1: 191 files, 167150/246288 clusters
root@icebox:~# fsck.vfat -r /dev/sda1
dosfsck 2.10, 22 Sep 2003, FAT32, LFN
/dev/sda1: 191 files, 167150/246288 clusters
It appears dosfsck may not be working quite right. I've taken this into
account, hence the second pass after each fsck. This is either a
dosfsck issue, a usb-storage issue for the PNY compact flash drive, or
an issue with vfat itself.
So either LKML needs to fix the drivers, or Ubuntu needs to upgrade/fix
dosfsck or some patch they've applied to the kernel.
- --
All content of all messages exchanged herein are left in the
Public Domain, unless otherwise explicitly stated.
Creative brains are a valuable, limited resource. They shouldn't be
wasted on re-inventing the wheel when there are so many fascinating
new problems waiting out there.
-- Eric Steven Raymond
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