From: Frederic Weisbecker <fweisbec@gmail.com>
To: Catalin Iacob <iacobcatalin@gmail.com>
Cc: Dave Jones <davej@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: nohz fail (was: perf related boot hang.)
Date: Thu, 4 Sep 2014 22:17:55 +0200 [thread overview]
Message-ID: <20140904201752.GA3116@lerouge> (raw)
In-Reply-To: <CAHg_5gr_tHeBsQfv1ydZRq9XgKipcrbijripqubE6c6j1S=jfg@mail.gmail.com>
On Thu, Sep 04, 2014 at 10:07:37PM +0200, Catalin Iacob wrote:
> On Tue, Sep 2, 2014 at 8:23 PM, Catalin Iacob <iacobcatalin@gmail.com> wrote:
> > On Mon, Sep 1, 2014 at 10:14 PM, Frederic Weisbecker <fweisbec@gmail.com> wrote:
> >> I'll send "nohz: Restore NMI safe local irq work for local nohz kick"
> >> as a fix for 3.17 and the rest will have to wait for 3.18 as it's a complicated
> >> fix for a long standing bug.
> >
> > I've been running with the full series since you sent it and haven't
> > experienced the bug since. I'll try to test with just the 3.17 patch
> > to also check that it's enough on its own.
>
> I tested with just "nohz: Restore NMI safe local irq work for local
> nohz kick" on top of 7505ceaf8635 (which is 3.17-rc3 plus the merge of
> 1 commit) and unfortunately it doesn't fix the issue. I got the same
> panic after some minutes of building Firefox.
Yeah, that's expected. You need to apply the nine patches on top of -rc1:
git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git
nohz/fixes
"nohz: Restore NMI safe local irq work for local nohz kick" only fixes
part of the issue.
Thanks.
next prev parent reply other threads:[~2014-09-04 20:17 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-06 14:36 perf related boot hang Dave Jones
2014-08-06 16:19 ` Peter Zijlstra
2014-08-06 16:23 ` Dave Jones
2014-08-06 19:46 ` Dave Jones
2014-08-07 9:03 ` nohz fail (was: perf related boot hang.) Peter Zijlstra
2014-08-07 13:16 ` Frederic Weisbecker
2014-08-11 20:09 ` Dave Jones
2014-08-20 20:31 ` Catalin Iacob
2014-08-21 14:56 ` Frederic Weisbecker
2014-08-22 6:01 ` Catalin Iacob
2014-08-22 14:00 ` Dave Jones
2014-09-01 20:14 ` Frederic Weisbecker
2014-09-02 13:41 ` Dave Jones
2014-09-02 18:23 ` Catalin Iacob
2014-09-04 20:07 ` Catalin Iacob
2014-09-04 20:17 ` Frederic Weisbecker [this message]
2014-09-04 21:05 ` Catalin Iacob
2014-09-04 21:29 ` Frederic Weisbecker
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