Re: WARNING: at net/sched/sch_generic.c:256dev_watchdog+0x1f2/0x200()

From: Dave Jones
Date: Sun Feb 05 2012 - 17:35:36 EST


On Sun, Feb 05, 2012 at 02:29:46PM -0800, Justin P. Mattock wrote:

> > > [ 2270.546572] WARNING: at net/sched/sch_generic.c:256 dev_watchdog+0x1f2/0x200()
> > > [ 2270.546576] Hardware name: 0914
> > > [ 2270.546580] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out
> >
> > The error clearly comes from r8169, not from ath9k. If you unload r8169 before
> > suspending, does this still happen? My suspicion is that NM is getting confused.
> >
> as a quick test I unloaded r8169 and did not see this message, but I also added it in and suspended
> and no warning message as well.

FWIW, we've been seeing reports of this in Fedora since last summer.
https://bugzilla.redhat.com/show_bug.cgi?id=715137

(We have reports on other chips too, but this bug is just the r8169 reports)

Dave

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