[Lustre-discuss] Looping in __d_lookup

[Andreas Dilger]

On May 21, 2008  21:05 +0200, Jakob Goldbach wrote:
> I'm running 1.6.4.3 patchless as well against an 2.6.18 vanilla kernel.
> Or at least that is what I thought. OpenVz patch effectively makes the
> kernel a 2.6.18++ kernel because they add features from newer kernels in
> their maintained 2.6.18 based kernel.  
> 
> So the lockup in __d_lookup may just relate to newer patchless clients. 
> 
> I got a debug patch from the OpenVz community which indicate dcache
> chain corruption in a lustre code path. 

Do you have the fixes for the statahead patches, disable statahead via
"echo 0 > /proc/fs/lustre/llite/*/statahead_max", or can you try out the
v1_6_5_RC4 tag from CVS (which also contains those patches)?

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