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

Kip Macy kmacy at freebsd.org
Tue May 19 01:15:55 UTC 2009


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


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