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Re: [Xen-devel] PCI quirks with via82xx soundcard / sysfs paths

  • To: Mario Manno <m.manno@xxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
  • Date: Mon, 16 Oct 2006 17:56:31 +0100
  • Delivery-date: Mon, 16 Oct 2006 09:56:59 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcbxRAdZRct1El03EduyIAAX8io7RQ==
  • Thread-topic: [Xen-devel] PCI quirks with via82xx soundcard / sysfs paths

On 15/10/06 16:52, "Mario Manno" <m.manno@xxxxxxx> wrote:

> I'm trying to get a via82xx onboard soundcard working in a domU.
> So far it only works, if I enable permissive mode with:
> echo "Y" > /sys/module/pciback/parameters/permissive
> I still can't hear any sound, but the modules load fine and i can use
> the alsamixer. (which most likely is unrelated to xen)
> I tried to use xend-pci-quirks.sxp, but the python script fails, because
> there is no /sys/bus/pci/drivers/pciback/quirks.
> Adding the card to /sys/bus/pci/drivers/pciback/permissive fails with:
> Error: pci: failed to open/write/close permissive sysfs node: [Errno 13]
> Permission denied: '/sys/bus/pci/drivers/pciback/permissive'

Current pciback driver does not have the 'permissive' module option. Since
yours does, and does not have the replacement 'permissive' and 'quirks'
sysfs files, you must be running an out-of-date domain0 kernel (or at least
the pciback module is out of date).

Check the build time of your kernel!

 -- Keir

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