Fatal trap 12: page fault panic with recent kernel with ZFS

[Larry Rosenman]

On Mon, May 18, 2009 8:15 pm, Kip Macy wrote:
> On Mon, May 18, 2009 at 6:05 PM, Larry Rosenman <ler at lerctr.org> wrote:
>>
>> On Mon, May 18, 2009 8:00 pm, Kip Macy wrote:
>>> On Mon, May 18, 2009 at 5:06 PM, Larry Rosenman <ler at lerctr.org> wrote:
>>>> On Mon, 18 May 2009, Kip Macy wrote:
>>>>
>>>>> The ARC cache allocates wired memory. The ARC will grow until there
>>>>> is
>>>>> vm pressure.
>>>>
>>>> My crash this AM was with 4G real, and the ARC seemed to grow and
>>>> grow,
>>>> then
>>>> we started paging, and then crashed.
>>>>
>>>> Even with the VM pressure it seemed to grow out of control.
>>>>
>>>
>>>
>>>
>>>
>>> You're running the most recent HEAD?
>>
>> Yes.  Also, this used to work just fine (as recently as a 8-may-2009
>> kernel)
>> with 4G real.
>>
>> It used to leave about 2700M free.
>>
>> The changes in the last week apparently changed something.
>>
>> When I crashed this AM, I re-csup'ed.  That's the kernel that's running
>> now.
>
>
>
> Please update to r192360 and let me know if that helps.
>
>
> Thanks,
> Kip
>
I've put that code in place.  I'm going to let my normal backups etc run.

Thanks for the quick patch!

LER


-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 512-248-2683                 E-Mail: ler at lerctr.org
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