2.6.33-rc2+ bug in fs/btrfs/ordered-data.c:672

[Carlos R. Mafra]

I started testing btrfs for my /home a few days ago and yesterday
I hit a kernel bug, using 2.6.33-rc2-00187-g08d869a.

I wasn't doing any stress test with it, I was simply watching a
DVD with xine while chrome was open in another workspace.

I noticed the kernel bug when the movie was over and I typed
'echo mem > /sys/power/state' to go to sleep but it got stuck,
so I checked what was happening in dmesg and I saw the bug in there.
By looking at the printk timings the bug was there for ~16 minutes, so
that last suspend to RAM atempt was not guilty in this bug. However,
the laptop was turned on for some hours already and had already passed
through a few suspend to RAM in this period.

I tried to save the dmesg but it failed writing, so I took a picture
of the bug trace

http://www.aei.mpg.de/~crmafra/btrfs_bug.jpg

Some info about my laptop is in this dmesg from this morning

http://www.aei.mpg.de/~crmafra/dmesg-2.6.33-rc2.txt

I hope this helps.


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