[OpenAFS] afsd causes crash for openafs1.2 and kernel 2.4.7 (fwd)

[Derrick J Brashear]

On Fri, 21 Sep 2001, Charles Karney wrote:

>  > From: <Warren.Yenson@morganstanley.com>
>  > To: <openafs-info@openafs.org>
>  > Subject: [OpenAFS] afsd causes crash for openafs1.2 and kernel 2.4.7 (fwd)
>  > Date: Fri, 21 Sep 2001 18:23:42 -0400 (EDT)
>  > 
>  > We have seen that we can repeatedly crash a Linux box running 2.4.7 and
>  > OpenAFS 1.2 by doing operations in /afs that open a large number of files
>  > or directories (e.g. du -sk).
>  > 
>  > The message on the screen is:
>  > 
>  >   Sep 20 12:58:07 saloon1 kernel: Increase -stat parameter of afsd(VLRU cycle?)<1> Unable to handle kernel paging request at virtual address
>  > fffffff
> 
> The same problem happens with Transarc AFS 3.6 Patch #3 (afs3.6 2.26) on
> Linux 2.2.x SMP.  I triggered it with 'find . -noleaf'.  The problem has
> been reported to and reproduced by Transarc/IBM.  Apparently it's specific
> in Linux SMP.

Maybe in the IBM product, but I promise you neither the machine on my lap
nor that on my desk at work is SMP, and I've been screwed both places, but
not in a reproducible way or it'd be tracked already.

-D