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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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@hp.com] 
Sent: Friday, March 05, 2010 7:08 PM
To: netdev@vger.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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