Bug#594462: MSI errors after linux-image-2.6.26-2-xen-amd64 update

[Jonathan Nieder <jrnieder@gmail.com>]

Hi Bartek,

Bartek wrote:

> I am running Xen with pciback. This is my kernel command line
>
> root=/dev/mapper/vg1-root ro console=tty0 pciback.permissive noirqdebug pciback.hide=(00:0a.0)(01:06.0)
>
> After last kernel package upgrade, the following errors appeared.
>
> Aug 25 19:30:39 debian kernel: [    0.655321] PCI: Setting latency timer of device 0000:00:10.0 to 64
> Aug 25 19:30:39 debian kernel: [    0.655582] assign_interrupt_mode Found MSI capability
> Aug 25 19:30:39 debian kernel: [    0.655772] no ownder
> Aug 25 19:30:39 debian kernel: [    0.655849] map irq failed
> Aug 25 19:30:39 debian kernel: [    0.655928] Allocate Port Service[0000:00:10.0:pcie00]
> Aug 25 19:30:39 debian kernel: [    0.659308] PCI: Setting latency timer of device 0000:00:12.0 to 64
> Aug 25 19:30:39 debian kernel: [    0.659308] assign_interrupt_mode Found MSI capability
> Aug 25 19:30:39 debian kernel: [    0.659308] no ownder
> Aug 25 19:30:39 debian kernel: [    0.659308] map irq failed
>
> The system is unstable, resets especially when I load uvesafb. When
> uvesafb is loaded and I run DRBD the screen goes black. The same
> with pciback.hide enabled and without pciback at all. 

Thanks for a clear report, and sorry for the very long silence.  Some
basic questions, since it's been a long time: did you end up solving
this?  Do you still have access to the affected system?  What kernel
do you use these days?

Sorry for the trouble.

Sincerely,
Jonathan