RE: [Xen-devel] RE: bnx2 FTQ issues on 2.6.32 + xen 4.0.1;

[MaoXiaoyun <tinnycloud@xxxxxxxxxxx>]

I have below configuration in grub.conf, did u mean change 115200 to sth?
 
iommu=off x2apic=off console=com1,vga com1=115200,8n1
 
thanks.

 

> Date: Sat, 30 Jul 2011 10:15:39 -0400
> From: konrad.wilk@xxxxxxxxxx
> To: tinnycloud@xxxxxxxxxxx
> CC: mchan@xxxxxxxxxxxx; xen-devel@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] RE: bnx2 FTQ issues on 2.6.32 + xen 4.0.1;
>
> > > > I've spent more time on this.
> > > > It's easy to reproduce. I have two physical host, on top of which, totally start 15VMS, doing migrating over
> > > > and over again. Since xen live migration invovle large mount of memory copy, so I can see that the network is
> > > > saturated. About 16 hours later, the FTQ dump will show up.
> > > >
> > > > I've debugged more.
> > > > Below debug code is added when FTQ happens.
> > > > Does anyone know what is going on?
> > >
> > > No idea. Did Michael Chan send you a private email with some ideas?
> > >
> >
> > Yep, Michael give me some debug patch. But unfortunately, when this bug show up, there is no enough time for the
> > kernel to print all debugged log before it crashes.
>
> Can you use a serial console at a high baud rate?

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