linux-kernel - Re: WARNING: at net/sched/sch_generic.c:256 dev

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Date:	Sun, 5 Feb 2012 23:21:41 +0100
From:	Francois Romieu <romieu@...zoreil.com>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	"Justin P. Mattock" <justinmattock@...il.com>,
	linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org
Subject: Re: WARNING: at net/sched/sch_generic.c:256 dev_watchdog+0x1f2/0x200()

Larry Finger <Larry.Finger@...inger.net> :
> On 02/05/2012 03:40 PM, Justin P. Mattock wrote:
> >
> >this showed up as I woke the machine up from suspend. machine is connected
> >I just see networkmanager constantly spinning trying to connect then telling me
> >the wired network is not connected(even though its just wireless that I have).

[ 1273.447349] r8169 0000:06:00.0: Refused to change power state, currently in D3
[ 1273.571024] psmouse serio1: elantech: retrying ps2 command 0xf8 (2).
[ 1273.656709] r8169 0000:06:00.0: eth0: link up
                                         ^^^^^^^

Justin, you did not ever connect a cable, did you ?

[...]
> 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.

It could hide the problem but the D3 + link up messages are nonetheless
a bit unexpected.

> P.S. Unless it happens with just the ath9k active, this ML is likely
> not the correct one.

Yes, please Cc: netdev@...r.kernel.org + me instead.

Thanks.

-- 
Ueimor
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