Re: OOM-killer going crazy.

From: Jens Axboe
Date: Wed Jul 28 2004 - 01:46:58 EST


On Wed, Jul 28 2004, Ed Sweetman wrote:
> Nick Piggin wrote:
>
> >Ed Sweetman wrote:
> >
> >>Nick Piggin wrote:
> >>
> >
> >>>OK so it does sound like a different problem.
> >>>
> >>>I didn't follow your other thread closely... does /proc/slabinfo
> >>>show any evidence of a leak?
> >>
> >>
> >>
> >>
> >>Surprisingly no. You'd think that since the kernel is responsible for
> >>saying what memory can't be touched or swapped out it would have some
> >>sort of tag on the huge 600MB of ram I currently can't do anything
> >>with since i burned that audio cd but slabinfo doesn't seem to show
> >>anything about it. Maybe i'm reading it wrong.
> >>
> >
> >It could be memory coming straight out of the page allocator that
> >isn't being freed.
> >
> >Jens, any ideas?
> >-
>
>
>
> Con Kolivas' 2.6.8-rc1-ck6 snapshot patch seems fix the problem. Not
> only is my audio not corrupted when i write a disk but I get no mem leak
> situation and thus no OOM. I did 5 dummy burns with no swap being used
> and stable vm statistics, final real burn resulted in successful disc.
>
> 2.6.8-rc1 2.6.8-rc1-mm both flipped out. ck touches all relevent files
> so something the patch does fixed whatever was wrong.

This makes about zero sense to me (a leak I can understand, corrupted
audio is more weird). Can you point me at the specific patch used?

--
Jens Axboe

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