[Bug 23772] oops after mounting ext4 fs in 2.6.36.1 (failed to parse options in superblock)

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https://bugzilla.kernel.org/show_bug.cgi?id=23772





--- Comment #19 from Fryderyk Dziarmagowski <fdziarmagowski@gmail.com>  2010-11-30 21:16:34 ---
(In reply to comment #17)
> Something is scribbling on / has scribbled on the front of your filesystem, it
> seems.

"is scribbling" is the right one. After doing a dd once more, just after error
msg, the file system was altered (compared visually in text editor). 

> What kind of storage is this?

external usb disk by western digital:
# skdump /dev/disk/by-label/MyBook
Device: sat12:/dev/disk/by-label/MyBook
Type: 12 Byte SCSI ATA SAT Passthru
Size: 305242 MiB
Model: [WDC WD3200AAKS-00SBA0]
Serial: [WD-WCAPZ2842083]
Firmware: [12.01B01]
SMART Available: yes

Unfortunately, the oops is back. Tried to run fsck -f on the unlucky partition
causes a hard lockup (only reset helps). For this time, it was something with
ext4_msg, I will do a screenshot tomorrow.

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