[Lustre-discuss] Client lockup: Problems with bug 22935?

[Andreas Dilger]

On 2010-10-31, at 16:30, Karen Liesenfeld wrote:
> The first error message looks like we are running into bug 22935. For
> the second error I could not find anything in bugzilla.
> There are no errors on the Lustre servers.
> 
> Could those two problems be related?

They both look like statahead problems.

> Does anybody know a workaround for this? Should we disable statahead for
> now?

I believe 1.8.4 has fixes for the statahead code, and 22935 shows that a fix was landed for the upcoming 1.8.5 release as well.  In the meantime, you could disable stathead on the clients.

Cheers, Andreas
--
Andreas Dilger
Lustre Technical Lead
Oracle Corporation Canada Inc.