Re: Network dies and kernel errors

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

On Wed, Aug 03, 2011 at 05:01:38PM +0800, MaoXiaoyun wrote:
> 
> in my test environment, the irqbalance is already stopped.
>  
> So my bnx bug may not related  to this.


Did you use 'noirqbalance' on the Xen hypervisor line?
>  
> Many thanks.
>  
> 
> > Date: Tue, 2 Aug 2011 12:17:36 -0400
> > From: konrad.wilk@oracle.com
> > To: johnm@advocap.org
> > CC: tinnycloud@hotmail.com; xen-devel@lists.xensource.com
> > Subject: Re: [Xen-devel] Network dies and kernel errors
> > 
> > On Sun, Jul 31, 2011 at 06:21:47PM -0500, John McMonagle wrote:
> > > Konrad
> > > 
> > > I ran as you requested and after 2 days it's still up.
> > 
> > Good!
> > > 
> > > Attached are xen.dmesg and dom0.dmesg all the command line parameters are in 
> > > them. 
> > 
> > > At this point I'd be happy if was on line with a reasonably efficient stable 
> > > configuration.
> > 
> > So it looks like from your runs (before you had irqbalance):
> > 
> > (XEN) MSI 31 vec=ad fixed edge assert phys cpu dest=00000023 mask=1/0/0
> > (XEN) MSI 31 vec=ad fixed edge assert phys cpu dest=00000023 mask=1/0/0
> > (XEN) MSI 31 vec=ad fixed edge assert phys cpu dest=00000023 mask=1/0/0
> > (XEN) MSI 31 vec=ad fixed edge assert phys cpu dest=00000023 mask=1/0/0
> > (XEN) IRQ: 31 affinity:00000000,00000000,00000000,00004000 vec:b5 type=PCI-MSI status=00000010 in-flight=0 domain-list=0:273(----),
> > (XEN) MSI 31 vec=39 fixed edge assert phys cpu dest=00000020 mask=1/0/0
> > (XEN) IRQ: 31 affinity:00000000,00000000,00000000,00000100 vec:39 type=PCI-MSI status=00000050 in-flight=0 domain-list=0:273(----),
> > 
> > The affinity (and the corresponding vector) moves from one CPU to another
> > and then dom0 somehow does not get it. Do you have another of these
> > boxes available remotly to debug this further?
> > 
>  		 	   		  

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