Re: [Xen-users] pci device not owned by pciback.

[Mark Hurenkamp <mark.hurenkamp@xxxxxxxxx>]

Hi James,


> > What Xen version are you using? Are you using a pvops based kernel?  
> > Or a
> > 'classic' xen kernel based on 2.6.18+patches?
Could you please answer this? It would help to know what your Xen and
kernel are based on. Do you build your own Xen & kernel? Or are you  
using
a Xen and kernel version provided by your distro?

> I tried unloading mptspi and it unloads, but I still can't start the
> virtual machine assigned those cards. Same error as before:
> Error: pci: improper device assignment specified: pci: 0000:0e:04.0  
> must be co-assigned to the same guest with 0000:0e:04.0, but it is  
> not owned by pciback.
Yeah, it is not sufficient to unload only. You still have to assign  
the devices to pciback:
echo -n "0000:0e:04.0" > /sys/bus/pci/drivers/pciback/new_slot
echo -n "0000:0e:04.1" > /sys/bus/pci/drivers/pciback/new_slot
echo -n "0000:0e:04.0" > /sys/bus/pci/drivers/pciback/bind
echo -n "0000:0e:04.1" > /sys/bus/pci/drivers/pciback/bind

> Unknown boot option `pciback.hide=(0e:04.0)(0e:04.1)': ignoring
> Unknown boot option `xen-pciback.hide=(0e:04.0)(0e:04.1)': ignoring
>
> Does this mean it is not compiled in the kernel? That would really  
> suck.
It does seem that way... or worse, perhaps your kernel doesn't have  
pciback at all...
You can try to load it manually and then run the echo commands listed  
above.
> What would my next step be?
If you can't manually load pciback, and the echo commands above fail,
then all i can think of is to try a different kernel...


Regards,
Mark.


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