netdev - Re: [atl2] warn_slowpath in dev

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Message-ID: <20090117194045.649f55a0@osprey.hogchain.net>
Date:	Sat, 17 Jan 2009 19:40:45 -0600
From:	Jay Cliburn <jcliburn@...il.com>
To:	Sitsofe Wheeler <sitsofe@...oo.com>
Cc:	linux-kernel@...r.kernel.org, Chris Snook <csnook@...hat.com>,
	jie.yang@...eros.com, atl1-devel@...ts.sourceforge.net,
	netdev@...r.kernel.org
Subject: Re: [atl2] warn_slowpath in dev_watchdog

[Modifying subject line and cc'ing netdev]

On Sat, 17 Jan 2009 18:49:18 +0000 (UTC)
Sitsofe Wheeler <sitsofe@...oo.com> wrote:

> On an ever so slightly modified 2.6.28. I think this only happens
> when the upstream router/switch goes out to lunch and packets are
> being sent. It is reproducible but only appears on a home network...
> 
> [  204.704065] ------------[ cut here ]------------
> [  204.704074] WARNING: at net/sched/sch_generic.c:226 dev_watchdog
> +0x22b/0x240()
> [  204.704080] NETDEV WATCHDOG: eth0 (atl2): transmit timed out

Please provide your complete dmesg output.

What do you do to reproduce this?

Can you briefly describe the device immediately upstream of the system producing
the warning?

Thanks,
Jay
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