Re: PCI/e1000 BUG: unable to handle kernel paging request at 0ffff163

[Fengguang Wu]

On Wed, Sep 05, 2012 at 11:41:04AM -0700, Yinghai Lu wrote:
> On Tue, Sep 4, 2012 at 11:51 PM, Fengguang Wu <fengguang.wu@xxxxxxxxx> wrote:
> > Yinghai,
> >
> > There are many kernel paging errors showing up in tree:
> >
> >   git://git.kernel.org/pub/scm/linux/kernel/git/yinghai/linux-yinghai.git for-pci-for-each-res-addon-v2
> >
> > The below summary shows that
> >
> > 1) it's a reliably reproducible bug
> > 2) all paging fault happens at address 0ffff163 and in some e1000 functions
> >
> > I'll try to bisect if the root cause is not obvious to you.  (Cannot
> > do so for now because there are 3 bisections on the way and I cannot
> > afford more..)
> 
> thanks, will check that...
> 
> the 32bit kernel as kvm gust, and host is doing pci passthrough to
> export the VF to the KVM guest?

No I didn't do anything special for PCI passthrough. I just used KVM's
emulated e1000 device.

btw, I'll be able to start bisection after several hours.

Thanks,
Fengguang
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/