From: Michal Hocko <mhocko@suse.cz>
To: Aaron Lu <aaron.lu@intel.com>
Cc: Linux MM <linux-mm@kvack.org>,
lkp@01.org, Huang Ying <ying.huang@intel.com>,
Vlastimil Babka <vbabka@suse.cz>
Subject: Re: OOM in v4.8
Date: Wed, 12 Oct 2016 10:43:42 +0200 [thread overview]
Message-ID: <20161012084342.GF17128@dhcp22.suse.cz> (raw)
In-Reply-To: <24ea68df-8b6c-5319-a8ef-9c4f237cfc2a@intel.com>
On Wed 12-10-16 16:24:47, Aaron Lu wrote:
> On 10/12/2016 04:00 PM, Michal Hocko wrote:
[...]
> > which is an atomic high order request that failed which is not all that
> > unexpected when the system is low on memory. The allocation failure
> > report is hard to read because of unexpected end-of-lines but I suspect
>
> Sorry about that, I'll try to find out why dmesg is saved so ugly on
> that test box.
Not your fault. This seems to be 4bcc595ccd80 ("printk: reinstate
KERN_CONT for printing continuation lines")
> > that again we are not able to allocate because of the CMA standing in
> > the way. I wouldn't call the above failure critical though.
>
> I'll test that commit and v4.8 again with cma=0 added to cmdline.
Thanks!
--
Michal Hocko
SUSE Labs
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next prev parent reply other threads:[~2016-10-12 8:43 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-12 6:54 Aaron Lu
2016-10-12 7:44 ` Michal Hocko
2016-10-12 8:00 ` Michal Hocko
2016-10-12 8:24 ` Aaron Lu
2016-10-12 8:43 ` Michal Hocko [this message]
2016-10-12 13:38 ` Aaron Lu
2016-10-13 6:23 ` Aaron Lu
2016-10-13 6:34 ` Michal Hocko
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