Re: [BUG] PCI passtrough causes driver crash in DomU (Xen 4.3, Linux kernel 3.12)

[Andrew Cooper <andrew.cooper3@citrix.com>]

On 07/03/14 11:54, Jonas Meurer wrote:
> Hello,
>
> as already written to xen-users a few days ago, I've troubles using pci
> passthrough for an Intel 82574L ethernet device (kernel module e1000e).
> The device is passed through by xen-pciback, and can be seen by 'lspci'
> inside the DomU. Still, the corresponding network interface doesn't
> appear in /proc/net/dev and even more striking, the DomU kernel driver
> crashes with a traceback.
>
> All this happens on a Debian/Jessie Dom0 with Xen 4.3 and Linux kernel
> 3.12. The DomU in question has a similar Debian/Jessie setup.
>
> I searched the archives for similar issues and found the following
> thread from October 2013 that describes a similar issue starting with
> Linux kernel 3.8:
> http://thread.gmane.org/gmane.comp.emulators.xen.user/80672
>
> Below in my original post to xen-users you find details about the kernel
> drvier crash and relevant logs.
>
> I'll gladly provide more details if you give me advice on how to further
> debug this issue :)
>
> Kind regards,
>  jonas

Do you have the Xen dmesg (xl/xm dmesg) from an affected run?

~Andrew