netdev - Re: Soft-Lockup/Race in networking in 2.6.31-rc1+195 ( possibly?caused by netem)

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Message-ID: <a5d9929e0907091419j2e4aefbdrc845b3e158982539@mail.gmail.com>
Date:	Thu, 9 Jul 2009 22:19:34 +0100
From:	Joao Correia <joaomiguelcorreia@...il.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Andres Freund <andres@...razel.de>,
	Jarek Poplawski <jarkao2@...il.com>,
	Arun R Bharadwaj <arun@...ux.vnet.ibm.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	Patrick McHardy <kaber@...sh.net>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: Soft-Lockup/Race in networking in 2.6.31-rc1+195 ( 
	possibly?caused by netem)

On Thu, Jul 9, 2009 at 6:44 PM, Thomas Gleixner<tglx@...utronix.de> wrote:
> Andres,
>
> On Thu, 9 Jul 2009, Andres Freund wrote:
>
>> On Thursday 09 July 2009 18:01:56 Thomas Gleixner wrote:
>> > Andres,
>> >
>> > On Thu, 9 Jul 2009, Andres Freund wrote:
>> > > On Thursday 09 July 2009 16:28:05 Thomas Gleixner wrote:
>> > > > Please test them separate from each other. The one I sent in this
>> > > > thread was just for narrowing down the issue, but I'm now quite sure
>> > > > that they really hit the issue which is addressed by the hrtimer
>> > > > patch.
>> > >
>> > > No crash yet. 15min running (seconds to a minute before).
>> > >
>> > > Will let it run for some hours to be sure.
>> >
>> > Which one of the patches are you testing ?
>> Your "real" one, i.e. de907e8432b08f2d5966c36e0747e97c0e596810
>>
>> 1h30m now...
>
> Looks like I hit the nail on the head. Queueing it up for Linus.
>
> Thanks,
>
>        tglx
>

Confirmed working from me as well.

Thank you for your time,
Joao Correia
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