Re: [Xen-devel] Loading PCIe Device Driver at Dom0

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Thu, May 24, 2012 at 07:37:44PM -0700, Kenneth Wong wrote:
> Hi Konrad,
> 
> > Um, does your driver have a PCI vendor and model? It would
> > do it from the struct pci_driver->probe function.
> 
> Yeah, it has all that.  It has been running fine on regular Linux, just that 
> problems start coming up when porting to Xen env.  I think because it is now 
> less forgiving due to the virtualization layer.

Sure. It also means that your driver would not work with IOMMU's properly.

> 
> Any idea on the following messages?

Some, but without any details (like machine type, userspace version, Xorg 
version,
kernel version, Xorg.0.log, etc) I've no clue.

> 
>         Xorg[1234]: segfault at 34 ip 00000000005067b1 sp 00007fff37a82f40 
> error 4 in Xorg[400000+1d4000]
>         rtkit-daemon[1708]: segfault at ffffffffffffff80 ip 00007fe23abee61a 
> sp 00007fff9c249410 error 4 in libdbus-1.so.3.5.7[7fe23abc3000+42000]
> 
> I think this might be cause by some other things in the driver.

So you see this only after you load your driver?

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