From: Andrew Morton <akpm@linux-foundation.org>
To: Michal Hocko <mhocko@kernel.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>, Mel Gorman <mel@csn.ul.ie>,
bugzilla-daemon@bugzilla.kernel.org, linux-mm@kvack.org,
gaguilar@aguilardelgado.com, sgh@sgh.dk,
Rik van Riel <riel@redhat.com>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
serianox@gmail.com, spam@kernelspace.de, larsnostdal@gmail.com,
viktorpal@yahoo.de, shentino@gmail.com
Subject: Re: [Bug 99471] System locks with kswapd0 and kworker taking full IO and mem
Date: Tue, 16 Feb 2016 14:41:59 -0800 [thread overview]
Message-ID: <20160216144159.9335e48d65b7327984d298ac@linux-foundation.org> (raw)
In-Reply-To: <20151005200345.GA12889@dhcp22.suse.cz>
On Mon, 5 Oct 2015 22:03:46 +0200 Michal Hocko <mhocko@kernel.org> wrote:
> On Tue 15-09-15 10:39:19, Johannes Weiner wrote:
> > On Thu, Sep 10, 2015 at 02:04:18PM -0700, Andrew Morton wrote:
> > > (switched to email. Please respond via emailed reply-to-all, not via the
> > > bugzilla web interface).
> > >
> > > On Tue, 01 Sep 2015 12:32:10 +0000 bugzilla-daemon@bugzilla.kernel.org wrote:
> > >
> > > > https://bugzilla.kernel.org/show_bug.cgi?id=99471
> > >
> > > Guys, could you take a look please?
So this isn't fixed and a number of new reporters (cc'ed) are chiming
in (let's please keep this going via email, not via the bugzilla UI!).
We have various theories but I don't think we've nailed it down yet.
Are any of the reporters able to come up with a set of instructions
which will permit the developers to reproduce this bug locally?
Can we think up a way of adding some form of debug/instrumentation to
the kernel which will permit us to diagnose and fix this? It could be
something which a tester manually adds or it could be something
permanent, perhaps controlled via a procfs knob.
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next prev parent reply other threads:[~2016-02-16 22:42 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-99471-27@https.bugzilla.kernel.org/>
[not found] ` <bug-99471-27-hjYeBz7jw2@https.bugzilla.kernel.org/>
2015-09-10 21:04 ` Andrew Morton
2015-09-12 6:18 ` Raymond Jennings
2015-09-15 8:39 ` Johannes Weiner
2015-09-15 12:57 ` Rik van Riel
2015-10-05 20:03 ` Michal Hocko
2016-02-16 22:41 ` Andrew Morton [this message]
2016-02-21 12:36 ` Mel Gorman
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