netdev - Re: NETDEV WATCHDOG: %s (%s): transmit queue %u timed out

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Message-ID: <20120523012640.GB15255@redhat.com>
Date:	Tue, 22 May 2012 21:26:40 -0400
From:	Dave Jones <davej@...hat.com>
To:	George Spelvin <linux@...izon.com>
Cc:	netdev@...r.kernel.org,
	Fedora Kernel Team <kernel-team@...oraproject.org>
Subject: Re: NETDEV WATCHDOG: %s (%s): transmit queue %u timed out

On Tue, May 22, 2012 at 09:03:34PM -0400, George Spelvin wrote:
 > After installing a 3.4 kernel, I got the following:
 > 
 > ------------[ cut here ]------------
 > WARNING: at net/sched/sch_generic.c:256 dev_watchdog+0xe9/0x15c()
 > Hardware name: MS-7376
 > NETDEV WATCHDOG: inside (r8169): transmit queue 0 timed out
 > Pid: 0, comm: swapper/3 Not tainted 3.4.0-00017-g3df9c78 #152
 > ..
 > It doesn't seem to be causing serious problems, but I presume the warning is there because
 > someone would like to know about it.

We seem to be seeing more and more of these (across a range of different NICs)
https://bugzilla.redhat.com/showdependencytree.cgi?id=702723&hide_resolved=1
has a bunch of duplicated bugs sorted into per-nic reports.

	Dave

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