Re: OOM-killer and strange RSS value in 3.9-rc7

David Rientjes
2013-04-16T20:16:45Z

On Tue, 16 Apr 2013, Han Pingtian wrote:

> Hi list,
>
> On a power7 system, we have installed 3.9-rc7 and crash 6.1.6. If I run
> something like "make -j 64" to compile linux kernel from source, sooner
> or latter, oom-killer will be triggered. Before that, when I trying to
> analyse the live system with crash, some processes' %MEM and RSS looks
> too big:
>

Do you have the oom killer log from /var/log/messages with
/proc/sys/vm/oom_dump_tasks enabled? Have you tried to reproduce this
issue with CONFIG_DEBUG_VM and CONFIG_DEBUG_PAGEALLOC enabled (you may
even want to consider CONFIG_KMEMLEAK)?