linux-kernel - Re: [PATCH 1/2] kaweth: Fix locking to be SMP-safe

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Message-Id: <200903311713.05451.oliver@neukum.org>
Date:	Tue, 31 Mar 2009 17:13:04 +0200
From:	Oliver Neukum <oliver@...kum.org>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	jgarzik@...ox.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH 1/2] kaweth: Fix locking to be SMP-safe

Am Dienstag 31 März 2009 16:55:56 schrieb Larry Finger:
> Oliver Neukum wrote:
> > Very good.
> >
> >> (X server over the network), the interface stalled with no logged
> >> messages.
> >
> > Do you get something with sysrq-t ?
>
> No. The rest of the system was still functioning; however, the driver
> needed to be unloaded and reloaded before continuing. There were no log
> entries until the driver was unloaded.

This sounds like kaweth_tx_timeout() should have been called.
Did you enable enough logging to see
dev_warn(&net->dev, "%s: Tx timed out. Resetting.\n", net->name);

	Regards
		Oliver

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