From: Michal Hocko <mhocko@kernel.org>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: Ganapatrao Kulkarni <gpkulkarni@gmail.com>,
linux-mm@kvack.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: getting oom/stalls for ltp test cpuset01 with latest/4.9 kernel
Date: Wed, 11 Jan 2017 17:33:01 +0100 [thread overview]
Message-ID: <20170111163301.GI16365@dhcp22.suse.cz> (raw)
In-Reply-To: <075075cc-3149-0df3-dd45-a81df1f1a506@suse.cz>
On Wed 11-01-17 12:05:44, Vlastimil Babka wrote:
> On 01/11/2017 11:50 AM, Ganapatrao Kulkarni wrote:
> > Hi,
> >
> > we are seeing OOM/stalls messages when we run ltp cpuset01(cpuset01 -I
> > 360) test for few minutes, even through the numa system has adequate
> > memory on both nodes.
> >
> > this we have observed same on both arm64/thunderx numa and on x86 numa system!
> >
> > using latest ltp from master branch version 20160920-197-gbc4d3db
> > and linux kernel version 4.9
> >
> > is this known bug already?
>
> Probably not.
>
> Is it possible that cpuset limits the process to one node, and numa
> mempolicy to the other node?
No this shouldn't happen AFAICS. It is more likely that there is an
unrelated memory pressure happenning at the same time.
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2017-01-11 16:33 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-11 10:50 getting oom/stalls for ltp test cpuset01 with latest/4.9 kernel Ganapatrao Kulkarni
2017-01-11 11:05 ` Vlastimil Babka
2017-01-11 12:38 ` Vlastimil Babka
2017-01-11 16:22 ` Ganapatrao Kulkarni
2017-01-11 16:46 ` Michal Hocko
2017-01-12 11:10 ` Vlastimil Babka
2017-01-13 4:35 ` Ganapatrao Kulkarni
2017-01-13 9:06 ` Vlastimil Babka
2017-01-13 15:51 ` Michal Hocko
2017-01-16 10:41 ` Ganapatrao Kulkarni
2017-01-16 13:22 ` Vlastimil Babka
2017-01-17 8:13 ` Vlastimil Babka
2017-01-11 16:33 ` Michal Hocko [this message]
2017-01-11 16:32 ` Michal Hocko
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