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Re: Hang when testing with AMD64 with Tg3

To: Andi Kleen <ak@xxxxxxx>
Subject: Re: Hang when testing with AMD64 with Tg3
From: Stephen Hemminger <shemminger@xxxxxxxx>
Date: Mon, 04 Oct 2004 18:00:36 -0700
Cc: davem@xxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <20041005001527.GB13106@wotan.suse.de>
Organization: Open Source Development Lab
References: <1096935071.22155.6.camel@localhost.localdomain> <20041005001527.GB13106@wotan.suse.de>
Sender: netdev-bounce@xxxxxxxxxxx
On Tue, 2004-10-05 at 02:15 +0200, Andi Kleen wrote:
> On Mon, Oct 04, 2004 at 05:11:11PM -0700, Stephen Hemminger wrote:
> > Doing simple iperf test on new opteron with tg3 against existing Xeon
> > system.  I am seeing something wierd, the connection hangs right away.
> > Is this a TSO bug.  
> > 
> > Sender: BK latest (2.6.9-rc3) Tg3 (XX.YY.250.3)
> > Receiver: BK + netdev(jeffm) + dave's latest e100 (XX.YY.1.73)
> > 
> > Both machines are directly connected with a netgear 100mbit switch.
> 
> 
> I don't see things like this on my boxes with rc3, also with tg3s.
> 
> Of what nature is the hang? Does the machine crash?

The sender just doesn't send any more data??? I can reproduce it every
time and it even happens with stock Suse 9.1 kernel (2.6.4-XX)

Will try a different ether card tommorrow to see if it is there.



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