Re: [Xen-users] can not unbind pci device, xen kernel, openSUSE

[Richie <listmail@xxxxxxxxxxxx>]

On 10/30/2010 11:56 AM, Richie wrote:
> On 10/30/2010 11:39 AM, István HERCZEG wrote:
> > Hi,
> >
> > thank you for quick answer. You was right I missed the format. But I 
> > still have a problem. Continue the PCI unbind procedure the wiki 
> > says[1]:
> > echo -n "0000:00:1a.0" /sys/bus/pci/drivers/pciback/new_slot
> >
> > and ..
> > echo -n "0000:00:1a.0" /sys/bus/pci/drivers/pciback/bind_cat
> >
> > In my openSUSE 11.2 there are no /sys/bus/pci/drivers/pciback 
> > directory. OK. I have /sys/bus/pci/drivers/pci-stub maybe this would 
> > be nice[2]:
> > continuing the procedure:
> >
> > echo -n "0000:00:1a.0" /sys/bus/pci/drivers/pci-stub/new_slot
> > -bash: new_slot: No such file or directory
> > echo -n "0000:00:1a.0" /sys/bus/pci/drivers/pci-stub/bindcat
> > -bash: bindcat: No such file or directory
> >
> > I get these messages ...
> >
> > Regards,
> > Istvan
> This is from some notes I have, but
> first find your device in lspci -n output
>
> Say I had a device as follows:
> 00:01.0 0604: 8086:29a1 (rev 02)
>
> I'd try:
> echo "8086 29a1" > /sys/bus/pci/drivers/pci-stub/new_id
> echo "0000:00:01.0" > /sys/bus/pci/devices/0000:00:01.0/driver/unbind
> echo "0000:00:01.0" > /sys/bus/pci/drivers/pci-stub/bind
Additionally, I have some notes that pci-stub works only with hvm and 
not a xenified kernel and that pciback works with anything [i hope this 
is accurate, someone from the list can confirm].  You may want to look 
at either getting pciback built into your dom0 or make sure it is added 
to /etc/modules so that it gets loaded [if you already have it compiled 
as a module].
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