Re: 2.6.39-rc4+: oom-killer busy killing tasks

From: Dave Chinner
Date: Wed May 04 2011 - 19:15:58 EST


On Wed, May 04, 2011 at 12:10:04PM -0700, Christian Kujau wrote:
> On Wed, 4 May 2011 at 21:12, Dave Chinner wrote:
> >> Ok, that will be helpful. Also helpful is that I've (FINALLY!)
> >> reproduced this myself, and i think i can now reproduce it at will
> >> on a highmem i686 machine. I'll look into it more later tonight....
>
> I've tried to reproduce it on an SMP i686 with 1024MB RAM, but there was
> no OOM there.
>
> > And here's a patch for you to try. It fixes the problem on my test
> > machine.....
>
> Excellent! After one run with that patch, the machine does not go OOM any
> more when running du(1) over this XFS filesystem.

Ok, That is good to know that we are seeing the same problem ;)

I'll push the fix through the XFS tree to mainline. Thanks for all
your effort helping me understand and debug the problem, Christian.

Cheers,

Dave.
--
Dave Chinner
david@xxxxxxxxxxxxx
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