linux-mm.kvack.org archive mirror
 help / color / mirror / Atom feed
From: Michal Hocko <mhocko@kernel.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, bugzilla-daemon@bugzilla.kernel.org,
	dh@kernel.usrbin.org
Subject: Re: [Bug 190191] New: kswapd0 spirals out of control
Date: Fri, 6 Jan 2017 11:18:34 +0100	[thread overview]
Message-ID: <20170106101834.GA5561@dhcp22.suse.cz> (raw)
In-Reply-To: <20170105114233.b5c80f88f625815eaec70bc1@linux-foundation.org>

On Thu 05-01-17 11:42:33, Andrew Morton wrote:
> 
> (switched to email.  Please respond via emailed reply-to-all, not via the
> bugzilla web interface).
> 
> On Mon, 12 Dec 2016 19:38:23 +0000 bugzilla-daemon@bugzilla.kernel.org wrote:
> 
> > https://bugzilla.kernel.org/show_bug.cgi?id=190191
> > 
> >             Bug ID: 190191
> >            Summary: kswapd0 spirals out of control
> >            Product: Memory Management
> >            Version: 2.5
> >     Kernel Version: 4.8.0+
> >           Hardware: i386
> >                 OS: Linux
> >               Tree: Mainline
> >             Status: NEW
> >           Severity: high
> >           Priority: P1
> >          Component: Other
> >           Assignee: akpm@linux-foundation.org
> >           Reporter: dh@kernel.usrbin.org
> >         Regression: No
> 
> I'd say "Regression: yes".
> 
> Additional details at the link.  There's no indication which commit(s)
> broke it.
> 
> > Created attachment 247481
> >   --> https://bugzilla.kernel.org/attachment.cgi?id=247481&action=edit
> > config for 4.7
> > 
> > I'm currently running 4.7.10 with no problems, but when i tried to upgrade to
> > 4.8.0 (and just now, 4.9.0) i encountered a problem that makes my system
> > unusable.

Considering this is 32b kernel and we know that node reclaim (introduced
in 4.8) is broken with memcg enabled because Normal zone inactive list
might not be aged properly I would suggest trying to run with
http://lkml.kernel.org/r/20170104100825.3729-1-mhocko@kernel.org
applied. It is hard to tell anything more without further information
though.
-- 
Michal Hocko
SUSE Labs

--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org.  For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>

      reply	other threads:[~2017-01-06 10:18 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-190191-27@https.bugzilla.kernel.org/>
2017-01-05 19:42 ` Andrew Morton
2017-01-06 10:18   ` Michal Hocko [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20170106101834.GA5561@dhcp22.suse.cz \
    --to=mhocko@kernel.org \
    --cc=akpm@linux-foundation.org \
    --cc=bugzilla-daemon@bugzilla.kernel.org \
    --cc=dh@kernel.usrbin.org \
    --cc=linux-mm@kvack.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox