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

[Jonas Meurer <jonas@xxxxxxxxxxxxxxx>]

Hello again,

Am 07.03.2014 13:49, schrieb Konrad Rzeszutek Wilk:
>> Am 07.03.2014 12:54, schrieb Jonas Meurer: 
>>> 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.
> 
> This was fixed in 3.14 I believe by me. Is it possible for you to use that 
> version?

today I finally managed to give linux kernel 3.14-rc5 a try. I was happy
to discover that the bug in question has been fixed in that kernel release.

In other words: with kernel 3.14-rc5 in DomU, the pci passthrough
feature works again even without the 'pci=nomsi' workaround.

Thanks a lot.

Kind regards,
 jonas


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