From: Robert Hancock <hancockr@shaw.ca>
To: linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: echo 0 > /proc/sys/vm/swappiness triggers OOM killer under 2.6.14.
Date: Tue, 01 Nov 2005 18:07:20 -0600 [thread overview]
Message-ID: <43680338.6040600@shaw.ca> (raw)
In-Reply-To: <5400l-3iY-37@gated-at.bofh.it>
Rob Landley wrote:
>>>Under 2.6.14 (UML), I have a workload that runs with 64 megs ram and 256
>>>megs swap space. It completes (albeit swapping like mad) with swappiness
>>>at the default 60, but if I set it to 0 the OOM killer kicks in and the
>>>script aborts.
>>
>>You should get some debugging output in dmesg when the OOM killer kicks
>>in, can you post this?
> oom-killer: gfp_mask=0x400d2, order=0
OK, nothing really special about this..
> Free pages: 1416kB (0kB HighMem)
> Active:14014 inactive:718 dirty:1 writeback:0 unstable:0 free:354 slab:468
> mapped:14722 pagetables:58
> DMA free:1416kB min:1024kB low:1280kB high:1536kB active:56056kB
> inactive:2872kB present:65536kB pages_scanned:26577 all_unreclaimable? no
It looks like some memory is available here, but likely some UML person
would have to say for sure..
> Out of Memory: Killed process 30055 (cc1).
> Badness in handle_page_fault
> at /home/landley/newbuild/firmware-build/tmpdir/linux-2.6.14/arch/um/kernel/trap_kern.c:98
You likely need a UML person for this part too :-)
--
Robert Hancock Saskatoon, SK, Canada
To email, remove "nospam" from hancockr@nospamshaw.ca
Home Page: http://www.roberthancock.com/
next parent reply other threads:[~2005-11-02 0:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <53VDs-5r1-5@gated-at.bofh.it>
[not found] ` <53VDs-5r1-3@gated-at.bofh.it>
[not found] ` <5400l-3iY-37@gated-at.bofh.it>
2005-11-02 0:07 ` Robert Hancock [this message]
2005-11-02 22:24 ` echo 0 > /proc/sys/vm/swappiness triggers OOM killer under 2.6.14 Rob Landley
[not found] <53vpu-s9-17@gated-at.bofh.it>
2005-11-01 4:05 ` Robert Hancock
2005-11-01 8:37 ` Rob Landley
2005-11-02 7:32 ` Dave Jones
2005-11-02 19:13 ` Rob Landley
2005-10-31 0:09 Rob Landley
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