From: Jarek Poplawski <jarkao2@gmail.com>
To: Andres Freund <andres@anarazel.de>
Cc: Arun R Bharadwaj <arun@linux.vnet.ibm.com>,
Thomas Gleixner <tglx@linutronix.de>,
Stephen Hemminger <shemminger@vyatta.com>,
netdev@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>
Subject: Re: Soft-Lockup/Race in networking in 2.6.31-rc1+195 ( possibly?caused by netem)
Date: Fri, 3 Jul 2009 06:12:13 +0000 [thread overview]
Message-ID: <20090703061213.GA4847@ff.dom.local> (raw)
In-Reply-To: <200907030331.32531.andres@anarazel.de>
On Fri, Jul 03, 2009 at 03:31:31AM +0200, Andres Freund wrote:
...
> Ok. I finally see the light. I bisected the issue down to
> eea08f32adb3f97553d49a4f79a119833036000a : timers: Logic to move non
> pinned timers
>
> Disabling timer migration like provided in the earlier commit stops the
> issue from occuring.
>
> That it is related to timers is sensible in the light of my findings,
> that I could trigger the issue only when using delay in netem - that is
> the codepath using qdisc_watchdog...
Andres, thanks for your work and time. It saved me a lot of searching,
because I wasn't able to trigger this on my old box.
Jarek P.
next prev parent reply other threads:[~2009-07-03 6:20 UTC|newest]
Thread overview: 77+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-03 1:31 Soft-Lockup/Race in networking in 2.6.31-rc1+195 ( possibly caused by netem) Andres Freund
2009-07-03 6:12 ` Jarek Poplawski [this message]
2009-07-03 11:26 ` Soft-Lockup/Race in networking in 2.6.31-rc1+195 ( possibly?caused " Andres Freund
2009-07-03 12:03 ` Jarek Poplawski
2009-07-03 12:30 ` Andres Freund
2009-07-03 20:22 ` David Miller
2009-07-03 22:56 ` Jarek Poplawski
2009-07-04 1:55 ` David Miller
2009-07-04 6:36 ` Jarek Poplawski
2009-07-04 15:18 ` Jarek Poplawski
2009-07-06 4:53 ` Joao Correia
2009-07-06 4:53 ` Joao Correia
2009-07-06 8:14 ` Jarek Poplawski
2009-07-06 11:28 ` Joao Correia
2009-07-06 11:28 ` Joao Correia
2009-07-06 14:19 ` Jarek Poplawski
2009-07-06 16:13 ` Andres Freund
2009-07-06 16:31 ` Jarek Poplawski
2009-07-06 17:23 ` Joao Correia
2009-07-06 17:23 ` Joao Correia
2009-07-06 17:26 ` Andres Freund
2009-07-07 6:50 ` Jarek Poplawski
2009-07-07 10:40 ` Joao Correia
2009-07-07 10:40 ` Joao Correia
2009-07-07 10:47 ` Andres Freund
[not found] ` <a5d9929e0907070403n698c9eb9p53a5bb07bafcc169@mail.gmail.com>
2009-07-07 11:05 ` Fwd: " Joao Correia
2009-07-07 11:05 ` Joao Correia
2009-07-07 13:18 ` Jarek Poplawski
2009-07-07 13:22 ` Andres Freund
2009-07-07 13:29 ` Jarek Poplawski
2009-07-07 13:34 ` Andres Freund
2009-07-07 13:57 ` Jarek Poplawski
2009-07-07 16:11 ` Andres Freund
2009-07-08 8:08 ` Jarek Poplawski
2009-07-08 8:29 ` Andres Freund
2009-07-08 9:13 ` Jarek Poplawski
2009-07-08 21:44 ` Joao Correia
2009-07-08 21:44 ` Joao Correia
2009-07-08 22:07 ` Jarek Poplawski
2009-07-08 22:27 ` Joao Correia
2009-07-08 22:27 ` Joao Correia
2009-07-08 22:42 ` Jarek Poplawski
2009-07-08 22:48 ` Joao Correia
2009-07-08 22:48 ` Joao Correia
2009-07-08 22:23 ` Andres Freund
2009-07-08 22:48 ` Jarek Poplawski
2009-07-09 10:31 ` Thomas Gleixner
2009-07-09 10:44 ` Jarek Poplawski
2009-07-09 12:03 ` Thomas Gleixner
2009-07-09 13:22 ` Jarek Poplawski
2009-07-09 14:15 ` Thomas Gleixner
2009-07-09 14:24 ` Jarek Poplawski
2009-07-09 14:25 ` Joao Correia
2009-07-09 14:25 ` Joao Correia
2009-07-09 14:28 ` Thomas Gleixner
2009-07-09 15:28 ` Andres Freund
2009-07-09 16:01 ` Thomas Gleixner
2009-07-09 16:46 ` Andres Freund
2009-07-09 17:44 ` Thomas Gleixner
2009-07-09 21:19 ` Joao Correia
2009-07-09 21:19 ` Joao Correia
2009-07-07 13:20 ` Jarek Poplawski
2009-07-06 17:24 ` Andres Freund
-- strict thread matches above, loose matches on Subject: below --
2009-06-30 23:20 Soft-Lockup/Race in networking in 2.6.31-rc1+195 (possibly caused " Andres Freund
2009-07-01 18:39 ` Jarek Poplawski
2009-07-01 21:22 ` Andres Freund
2009-07-02 0:37 ` Andres Freund
2009-07-02 9:30 ` Jarek Poplawski
2009-07-02 10:12 ` Jarek Poplawski
2009-07-02 10:51 ` Joao Correia
2009-07-02 10:51 ` Joao Correia
2009-07-02 11:09 ` Jarek Poplawski
2009-07-02 11:11 ` Andres Freund
2009-07-02 11:43 ` Jarek Poplawski
2009-07-02 11:43 ` Andres Freund
2009-07-02 11:54 ` Jarek Poplawski
2009-07-02 11:59 ` Andres Freund
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