Crash with XFS

[Dave Chinner]

On Mon, Nov 07, 2011 at 03:36:51PM +0100, Alexander Naumann wrote:
> Hi!
> 
> I would be glad if anybody can give me any hint on the following
> subject.
> I have a linux server running formatted with XFS. Afer a couple of days
> (about 6 or 7) I get the following crash:
> 
> 
> Nov  6 15:44:03 archive kernel: BUG: unable to handle kernel NULL
> pointer dereference at 0000000000000044
> Nov  6 15:44:03 archive kernel: IP: [<ffffffff811d3248>]
> xfs_inode_ag_iterator+0x4a/0xce

.....

> The system is a Dell R910 (Intek Xeon CPU E7530, 24 cores (with
> hyperthreading).  32GB Ram, Raid Controller is Perc H700, SAS
> discs, Raid 5 with 1.7TB, formatted with XFS.  Kernel version
> 2.6.34.7 is running (64bit kernel on a 32bit system, Debian
  ^^^^^^^^

Upgrade. There were problems in .34 to do with inode reclaim that
were fixed in .35 and .36....

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com