netdev - Re: deadlocks if use htb

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Date:	Fri, 10 Oct 2008 09:51:29 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Badalian Vyacheslav <slavon@...telecom.ru>
Cc:	netdev@...r.kernel.org
Subject: Re: deadlocks if use htb

On Fri, Oct 10, 2008 at 09:04:26AM +0000, Jarek Poplawski wrote:
> On Fri, Oct 10, 2008 at 12:52:58PM +0400, Badalian Vyacheslav wrote:
> > Oh... sorry. I Wrong you understand... i patch 2.6.27 with this patch
> > and will test it...
> 
> No, you understood it right. But it seems 2.6.27 fix doesn't work for
> you. So, yes, try this patch with 2.6.26 or 2.6.27.

There is also a parameter you could try (without this patch):

modprobe sch_htb htb_hysteresis=1

Jarek P.

> > 
> > >> Please look to if you have time:
> > >> http://bugzilla.kernel.org/show_bug.cgi?id=11718
> > >>
> > >> We have deadlocks at few PC one times in week.
> > >> I can test any patches to detect and fix problem.
> > >> Now i test 2.6.27-rc kernel at one PC.
> > >>     
> > >
> > > A similar bug was reported by Denys Fedoryshchenko but it wasn't fully
> > > diagnosed. Anyway it looks like hardware dependent. The patch below
> > > can sometimes help. 2.6.27 may have this fixed too (some other way).
> > >
> > > Jarek P.
> > 
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