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SubjectRe: kernel BUG at fs/xfs/support/debug.c:106!
Mihai RUSU wrote:

>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>Hi
>
>Another problem now, on another system. This one is a 2xP3 1.1 Ghz, 3 GB
>RAM, MB Intel SCB2, Adaptec 7899 Controller onboard having one 18 GB SCSI
>disk connected to it (for XFS external journal, swap and / partition which
>is on ext3), Mylex 170 RAID connected to external storage enclosure with 3
>x 70 GB SCSI RAID5. The kernel error message is:
>
>
>

Mihai,

You missed one thing out of your report, the console message xfs output
before
this.

I suspect it would have been this: xfs_iget_core: ambiguous vns: vp/0x .....
but it would be good to confirm it. This was supposed to be a dead code
path which there was no longer a route to, it is possible something in the
NFS interface in 2.6 has changed to cause this though. Basically a race
between two threads looking up the same inode, xfs has it cached already
and two threads raced to setup the mapping from the linux inode.

The use of iget_locked when looking up new inodes is supposed to protect
against just this condition.

Steve


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