From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Colin Leroy <colin@colino.net>
Cc: Linux Kernel list <linux-kernel@vger.kernel.org>,
"David S.Miller" <davem@davemloft.net>
Subject: Re: Netconsole & sungem: hang when link down
Date: Wed, 06 Oct 2004 18:16:45 +1000 [thread overview]
Message-ID: <1097050605.21132.17.camel@gaston> (raw)
In-Reply-To: <20041006083954.0abefe57@pirandello>
On Wed, 2004-10-06 at 16:39, Colin Leroy wrote:
> Hi,
>
> I noticed that, if you have netconsole set up and using a sungem card,
> and if the network cable is not plugged in, that the whole kernel hangs
> shortly after the "device not up yet, forcing it" netconsole
> message. I suspect this is due to the autoneg in sungem, but didn't have
> time to look further.
>
> Would you have any hints on the cause of this problem?
Not sure, I suppose the driver is doing printk's with spinlocks held
from the autoneg stuff and there is a spinlock deadlock happening ...
Ben.
next parent reply other threads:[~2004-10-06 8:23 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20041006083954.0abefe57@pirandello>
2004-10-06 8:16 ` Benjamin Herrenschmidt [this message]
2004-10-06 8:42 ` Netconsole & sungem: hang when link down Colin Leroy
2004-10-06 9:08 ` Benjamin Herrenschmidt
2004-10-06 9:35 ` Colin Leroy
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