netdev - Re: sky2 hangs without any messages

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Message-ID: <20070523075026.3f78e306@freepuppy>
Date:	Wed, 23 May 2007 07:50:26 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Tino Keitel <tino.keitel@...ei.de>
Cc:	netdev@...r.kernel.org
Subject: Re: sky2 hangs without any messages

On Wed, 23 May 2007 09:54:31 +0200
Tino Keitel <tino.keitel@...ei.de> wrote:

> Hi folks,
> 
> in the last 2 days, I had 2 outages of the NIC of my Mac mini Core Duo.
> I checked the kernel log but I found nothing sky2 related. After
> reloading the module, the interface worked again.
> 
> Both freezes were connected to access from a remote NFS client to a
> directory with ~4700 files in it. Both times, after reloading the
> module and waiting some minutes until the NFS client had recovered from
> the hanging NFS server, the same action worked.
> 
> The network is 100 mbit full duplex. I use NFS over TCP and kernel
> 2.6.21 with the "disable flow control" patch, the configuration is
> attached.
> 

Don't use that patch, it isn't needed and probably causes problem.

Please get output of 'ethtool -d eth0'; more recent versions of
ethtool can decode the register format. Older versions just print hex.
-- 
Stephen Hemminger <shemminger@...ux-foundation.org>
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