netdev - Re: [Bugme-new] [Bug 8736] New: New TC deadlock scenario

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Message-Id: <20070714.204951.112046547.davem@davemloft.net>
Date:	Sat, 14 Jul 2007 20:49:51 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ranko@...dernet.net
Cc:	kaber@...sh.net, akpm@...ux-foundation.org, netdev@...r.kernel.org,
	bugme-daemon@...nel-bugs.osdl.org
Subject: Re: [Bugme-new] [Bug 8736] New: New TC deadlock scenario

From: Ranko Zivojnovic <ranko@...dernet.net>
Date: Sat, 14 Jul 2007 19:45:35 +0300

> On Sat, 2007-07-14 at 17:43 +0200, Patrick McHardy wrote:
> > Patrick McHardy wrote:
> > > Andrew Morton wrote:
> > > 
> > >>>http://bugzilla.kernel.org/show_bug.cgi?id=8736
> > >>>
> > >>>Here is another scenario I bumped onto - qdisc_watchdog_cancel() and
> > >>>qdisc_restart() deadlock.
> > >>>
> > >>>[...]
> > >>>DEADLOCK!
> > > 
> > > 
> > > 
> > > Good catch.
> > > 
> > > Please try reverting commit 1936502d00ae6c2aa3931c42f6cf54afaba094f2,
> > > that should fix it.
> > 
> > 
> > Ranko, did you get a chance to test this? I've attached the patch
> > since it doesn't revert cleanly ..
> 
> I have the commit reverted on my tree and have been testing it along
> with the other changes to qdisc code I'm currently doing and it does
> rectify the problem.
> 
> Acked-by: Ranko Zivojnovic <ranko@...dernet.net>

Applied, thanks everyone.
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