Re: kernel BUG at fs/btrfs/inode.c:4676!

On 10 June 2011 09:57, Andy Lutomirski [off-list ref] wrote:

On 06/06/2011 06:19 AM, Marek Otahal wrote:

quoted

Hello,
the issue happens every time when i have to hard power-off my notebo=

ok

quoted

(suspend problems).
With kernel 2.6.39 the partition is unmountable, solution is to boot
2.6.38 kernel which
1/ is able to mount the partition,
2/ by doing that fixes the problem so later .39 (after clean shutdow=

n) can

quoted

mount it also.

Same problem here. =A0Mounting with 2.6.38 says:

[ =A0 41.906259] Btrfs loaded
[ =A0 41.906747] device fsid e040a9d60da49596-66c0275e348878bf devid =

1 transid

69217 /dev/mapper/vg_midnight_ssd-home
[ =A0 41.908767] btrfs: disk space caching is enabled
[ =A0 42.232185] btrfs: unlinked 17 orphans
[ =A0 42.232189] btrfs: truncated 2 orphans

dmesg in 2.6.39.1 says:

[]

[ =A0 15.004255] kernel BUG at fs/btrfs/inode.c:4676!

[]

I've been experiencing the same issue also.

Josef/Chris, would an metadata snapshot or full block snapshot help
debug this regression? I can probably setup a small testcase to
trigger this.

Thanks,
  Daniel
--=20
Daniel J Blueman
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