linux-kernel - Re: deadlocks if use htb

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Message-Id: <1231937404.14825.4.camel@laptop>
Date:	Wed, 14 Jan 2009 13:50:04 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Denys Fedoryschenko <denys@...p.net.lb>
Cc:	Jarek Poplawski <jarkao2@...il.com>,
	Chris Caputo <ccaputo@....net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Badalian Vyacheslav <slavon@...telecom.ru>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: deadlocks if use htb

On Wed, 2009-01-14 at 14:17 +0200, Denys Fedoryschenko wrote:
> I will try that patches too, when i got this message, after 3 minutes i got 
> crash of my router :-) after working around 17 hours :-(
> There is 3 of them by the way, 2 fixes also.
> 
> hrtimer: removing all ur callback modes
> hrtimer: removing all ur callback modes, fix hotplug
> hrtimer: removing all ur callback modes, fix

I'm afraid its a bit more than that:

ca109491f612aab5c8152207631c0444f63da97f
37810659ea7d9572c5ac284ade272f806ef8f788
a0a99b227da57f81319dd239bc4de811b0f530ec
b2e3c0adec918ea22b6c9d7c76193dd3aaba9bd4
8bdec955b0da2ffbd10eb9b200651dd1f9e366f2
d5fd43c4ae04523e1dcd7794f9c511b289851350
731a55ba0f17064f85903b7bf8e24849ec6cfa20
a6037b61c2f5fc99c57c15b26d7cfa58bbb34008
e3f1d883740b09e5116d4d4e30a6a6987264a83c
82c5b7b527ccc4b5d3cf832437e842f9d2920a79

and

6e5c172cf7ca1ab878cc6a6a4c1d52fef60f3ee0

Also, all this is rather invasive and large, so I'm not sure it will
meet the -stable criteria.

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