netdev - Re: sky2 problems on Intel Mac Mini

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Date:	Tue, 30 Jan 2007 10:40:33 +0100
From:	Tino Keitel <tino.keitel@...ei.de>
To:	Chris Lightfoot <chris@...parrot.com>
Cc:	Stephen Hemminger <shemminger@...ux-foundation.org>,
	netdev@...r.kernel.org
Subject: Re: sky2 problems on Intel Mac Mini

On Tue, Jan 30, 2007 at 08:39:19 +0000, Chris Lightfoot wrote:
> On Mon, Jan 29, 2007 at 04:01:17PM -0800, Stephen Hemminger wrote:
> > On Mon, 29 Jan 2007 23:57:32 +0000
> > Chris Lightfoot <chris@...parrot.com> wrote:
> > 
> > >   [ please cc: me on any reply ]
> > > 
> > > I'm seeing lots of problems with the sky2 driver on Mac
> > > Minis. Based on the suggestions in,
> > >     http://www.mail-archive.com/netdev@vger.kernel.org/msg28221.html
> > > I am running stock 2.6.19 + the patches from the
> > > mactel-linux.org site to get the kernel booting on the
> > > Apple hardware; none of these touches the sky2 code. The
> > > module is installed with disable_msi=1 and
> > > idle_timeout=10; the chip version is,
> > >     Yukon-EC (0xb6) rev 2
> > > 
> > > The crashes we're seeing at the moment show (with
> > > debug=16) lots and lots of transmits being queued up and
> > > never being completed, even with the timeout switched on.
> > > For instance, (this is on a machine running NFS root and
> > > vlans)
> > 
> > Is this NFS over UDP?
> 
> yes. but we see similar problems on machines which aren't
> doing lots of UDP traffic.

Hi,

I found my machine with a freezed desktop tomorrow morning. I don't use
anything UDP specific, just a lot of TCP traffic. I the machine is a
Mac mini Core Duo running 2.6.20-rc6 without special mactel-linux.org
patches except for the IR remote driver. The kernel log looks similar.
I don't use MSI. However, I don't get this several times a day. IIRC
this was the first time that I saw this.

Regards,
Tino

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