[Lustre-discuss] lustre client kernel panic

Andreas Dilger adilger at sun.com
Mon Dec 21 12:05:26 PST 2009

On 2009-12-21, at 11:15, Nick Jennings wrote:
> I had another instance of the client kernel panic which I first
> encountered a few months ago. This time I managed to get a shot of the
> console. Attached is the dmesg output from ssn1(OSS) dbn1(MDS) and the
> JPG is from the console of wsn1(client).

I see bug 19841, which has at least part of this stack  
(ldlm_cli_pool_shrink) and that is marked a duplicate of 17614.  The  
latter bug is marked landed for 1.8.0 and later releases.

> The only thing out of the ordinary that was happening at the time  
> was I
> was in the middle of updating several vhosts' wordpress blog (lots of
> tiny files?) - just a for-loop copying contents from one dir (off the
> lustre filesystem) to a dir on the filesystem. It hung around the
> 200-300th time, though I can't be sure that had anything to do with  
> it,
> it's the only thing that I was doing on the server. Normal operation  
> on
> the filesystem is Apache & nothing else.

Cheers, Andreas
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.

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