Kernel panic: select_hpte_slot found entry already valid

[Dave C Boutcher]

This look familiar to anyone?  Legacy iseries error.  I recall
benh was playing around in there last :-)   This is a customer
running Red Hat in production.

"Len Goldenstein" <len at ghy.com> wrote on 11/15/2004 08:27:17 AM:
> I had the LPAR running fine for quite a while at the RHEL QU2
> 2.4.21-15.EL kernel - no problems with backups at all.
> After running that for a couple weeks, I went back to the
> -20EL kernel and did the backups without the NFS mounts for a week and
> no problems.
>
> I mounted the NFS file systems (which are other the LPARs on the
> same 820) and the backup ran fine for a few days until this morning.
> The console log showed this:
>
> Kernel panic: select_hpte_slot found entry already valid
>
> Rebooting in 180 seconds..
>
> I did a quick google search and found this:
> http://listcrawler.com/message2.jsp?id=41980
>
> It may be a race condition in the ppc64 kernel.  I'm not a
> kernel guy by any means though so maybe you guys will have some
> insight into the problem.
>
> I put a problem ticket in with RedHat but their support is less
> than stellar.

-- 
Dave Boutcher