netdev - Re: BCM5709 hang and state dump...

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Date:	Thu, 07 Mar 2013 20:18:43 +0800
From:	Daniel J Blueman <daniel@...ascale-asia.com>
To:	Michael Chan <mchan@...adcom.com>
CC:	Eilon Greenstein <eilong@...adcom.com>,
	Steffen Persvold <sp@...ascale.com>, netdev@...r.kernel.org
Subject: Re: BCM5709 hang and state dump...

On 03/07/2013 07:00 PM, Michael Chan wrote:
> On Thu, 2013-03-07 at 18:27 +0800, Daniel J Blueman wrote:
>> We've hit this again [1], with 3.8.0 this time. Any success on the debug
>> patches?
>
> I have 2 suggestions at this point:
>
> 1. Some users who report similar issues say that upgrading the BIOS has
> fixed the issue.  So please try upgarding the BIOS if possible.
>
> 2. You can also disable MSIX and see if it runs any better.  Use sysfs
> to do that or simply use bnx2 parameter disable_msi=1.
>
> I suspect that some MSIX IRQ messages are not delivered to the CPU for
> some reason.  Please try one or both suggestions and let me know.

Yes, we're on the current of each available BIOS/firmware.

We'll move to APIC interrupts for the NIC and see how it goes over a few 
weeks, since it takes a while to occur.

Thanks again Michael!

Daniel
-- 
Daniel J Blueman
Principal Software Engineer, Numascale Asia
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