8.0RC2 amd64 - kernel panic running make buildworld

[Kai Gallasch]

Am Wed, 18 Nov 2009 16:25:20 +0200
schrieb Andriy Gapon <avg at icyb.net.ua>:

> thank you very much for the testing!
> This has been an invaluable help.
> 
> I am now trying to narrow down possible causes of the issue and to
> come up with the most efficient patch.
> 
> If/when you have a chance could you please test the following changes?
> The patches are against mainline source tree (that is, not against
> previous patch(es)).
> 
> So, please first try *only* this patch:
> diff --git a/sys/amd64/amd64/pmap.c b/sys/amd64/amd64/pmap.c
> index 44b71f3..33b8c2a 100644
> --- a/sys/amd64/amd64/pmap.c
> +++ b/sys/amd64/amd64/pmap.c

Hi.

I tested the patch.

- 3 x "make -j8 buildworld" : no machine check exception

- mount nfs filesystem on the server an copied 10G of small files to
  local zfs: no machine check exception

> Most likely this will fix the buildworld scenario.
> But I am not sure if it will fix ZFS scenario.
> If it does - then great, if not, please apply the following patch in
> addition to the previous one and test again:

If related zfs issues come up in the next weeks, I'll contact you.

Server now runs stable with superpages set active.
Nice!

--Kai.