Confirmed with kernel 3.5.0-20, my motherboard is an old Asus P5K PRO.
The bug is easily reproducible after a few gigabytes transfer (I get
errors and my root is remounted readonly as specified in /etc/fstab).
Pretty often I couldn't even boot!
Sample of dmesg output.
[10188.832037] ata4.00: exception Emask 0x0 SAct 0x7fffffff SErr 0x0 action 0x6
frozen
[10188.832043] ata4.00: failed command: WRITE FPDMA QUEUED
[10188.832049] ata4.00: cmd 61/10:00:c4:50:dc/00:00:0b:00:00/40 tag 0 ncq 8192
out
[10188.832049] res 40/00:00:00:4f:c2/00:00:00:00:00/40 Emask 0x4
(timeout)
[10188.832052] ata4.00: status: { DRDY }
[10188.832054] ata4.00: failed command: WRITE FPDMA QUEUED
[10188.832059] ata4.00: cmd 61/08:08:04:88:dc/00:00:0b:00:00/40 tag 1 ncq 4096
out
[10188.832059] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4
(timeout)
This bug made me buy a new hard drive, and probably corrupted a bunch of files,
too.
Turned out that the hard drive was not the culprit, most definitely.
No problem with kernel 3.2.34.
Also, IMHO it would be good to provide an older kernel version in 12.10
repository!
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https://bugs.launchpad.net/bugs/1063354
Title:
Sudden Read-Only Filesystems
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