netdev - RE: bnx2x crash dump on high network load

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Message-ID: <0199E0D51A61344794750DC57738F58E6D79C1326A@GVW1118EXC.americas.hpqcorp.net>
Date:	Mon, 8 Mar 2010 11:02:20 +0000
From:	"Fischer, Anna" <anna.fischer@...com>
To:	Eilon Greenstein <eilong@...adcom.com>
CC:	eliezert <eliezert@...adcom.com>,
	Michael Chan <mchan@...adcom.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: RE: bnx2x crash dump on high  network load

I have this option set in my /etc/modprobe.conf.local. The problem must be something else.

> -----Original Message-----
> From: netdev-owner@...r.kernel.org [mailto:netdev-owner@...r.kernel.org]
> On Behalf Of Eilon Greenstein
> Sent: 05 March 2010 17:32
> To: Fischer, Anna
> Cc: eliezert; Michael Chan; netdev@...r.kernel.org
> Subject: RE: bnx2x crash dump on high network load
> 
> Hi Anna,
> 
> On this kernel, enabling bridging (like you do on virtualization) does
> not turn off LRO automatically. Please try to load the bnx2x with
> disable_tpa=1 (TPA is the HW based LRO feature).
> 
> Regards,
> Eilon
> 
> -----Original Message-----
> From: Fischer, Anna [mailto:anna.fischer@...com]
> Sent: Friday, March 05, 2010 7:08 PM
> To: netdev@...r.kernel.org
> Cc: eliezert; Eilon Greenstein; Michael Chan
> Subject: bnx2x crash dump on high network load
> 
> I am seeing driver crashes with a bnx2x version 1.50.16. I have attached
> two crash dumps that I have captured.
> 
> I run Linux with the following kernel:
> 
> # uname -a
> Linux sup-prj-441106 2.6.16.60-0.54.5-debug #1 SMP Fri Sep 4 01:28:03
> UTC 2009 x86_64 x86_64 x86_64 GNU/Linux
> 
> I am seeing these driver crashes when I run virtual machines (VMware
> Server) and those VMs do high bandwidth network I/O, so there are a lot
> of packets going through the NIC.
> 
> Can you give me any hints for what the problem here could be?
> 
> Thanks,
> Anna
> 
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