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Date: Fri, 29 May 2009 20:16:18 +0200
From: Marius Strobl <marius@alchemy.franken.de>
To: Henri-Pierre Charles <hpcharles@gmail.com>
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Cc: Jeff Blank <jb000003@mr-happy.com>, freebsd-stable@freebsd.org
Subject: Re: bge problems under 7.2-PRERELEASE
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On Fri, May 29, 2009 at 08:02:42PM +0200, Henri-Pierre Charles wrote:
> Hello Guys
> 
> On Thu, Apr 23, 2009 at 10:05 PM, Jeff Blank <jb000003@mr-happy.com> wrote:
> > On Thu, Apr 23, 2009 at 07:19:49PM +0200, Marius Strobl wrote:
> >> So in combination with
> >> the low number of problem reports this really doesn't
> >> look like a generic problem of this Broadcom hardware
> >> or bge(4) and I just can suggest to disable MSI by
> >> setting the hw.pci.enable_msi tuneable to 0 for now.
> >
> > Great, this does the trick, and I'm now running today's RELENG_7.
> > Thanks for your help, and let me know if ever you'd like me to help
> > test possible fixes.
> 
> I have the same computer (Dell optiplex 740) but the sysctl turnaround
> doesn't work, the bge interface seem up but no interruptions.
> 
> I have to download / recompile with sys/dev/bge/if_bge.c rev
> 1.198.2.13 and sys/dev/pci/pci.c rev 1.355.2.6
> 
> Is there anything else to try ?

You need to set hw.pci.enable_msi in the loader f.e. via
loader.conf rather than the corresponding sysctl as the
latter has no effect during boot.

Marius