netdev - Re: atl1c: WARNING: at net/sched/sch_generic.c:255 dev

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Message-ID: <20111207163208.GA1840@x1.osrc.amd.com>
Date:	Wed, 7 Dec 2011 17:32:08 +0100
From:	Borislav Petkov <bp@...en8.de>
To:	Josh Boyer <jwboyer@...il.com>
Cc:	netdev@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: atl1c: WARNING: at net/sched/sch_generic.c:255 dev_watchdog

On Tue, Dec 06, 2011 at 07:12:21PM -0500, Josh Boyer wrote:
> On Tue, Dec 6, 2011 at 6:27 PM, Borislav Petkov <bp@...en8.de> wrote:
> > Hi,
> >
> > this seems like a pretty old issue judging by a quick net search. It
> > still triggers on latest -rc4 here, below the whole trace. I'm willing
> > to test patches :).
> >
> > [14622.820555] atl1c 0000:02:00.0: atl1c: eth0 NIC Link is Up<100 Mbps Full Duplex>
> > [14632.816280] ------------[ cut here ]------------
> > [14632.816314] WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0x237/0x240()
> > [14632.816323] Hardware name: 30515QG
> > [14632.816332] NETDEV WATCHDOG: eth0 (atl1c): transmit queue 0 timed out
> 
> Matthew Garrett has a patch to the atl1c driver that changed it's ASPM
> behavior that seemed to help.  Dave Miller applied it, but I don't see
> it in linux-next for some reason.

Yeah, he reverted them due to build issues. I'm not sure they'll be
coming back though, judging by the thread.

Thanks.

-- 
Regards/Gruss,
Boris.
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