Re: deadlocks if use htb

[Jarek Poplawski]

On Wed, Jan 14, 2009 at 01:50:04PM +0100, Peter Zijlstra wrote:
> 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.
> 

Earlier I thought it's very hard to hit, but after Chris reported it
triggers within hours, IMHO some minimal fix is necessary.

Jarek P.
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