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[Xen-devel] i915 gfx-passthru pci-detach oops
| To: | xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] i915 gfx-passthru pci-detach oops |
| From: | Daniel De Graaf <dgdegra@xxxxxxxxxxxxx> |
| Date: | Fri, 23 Jul 2010 13:32:16 -0400 |
| Delivery-date: | Fri, 23 Jul 2010 10:33:35 -0700 |
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I have been testing graphics passthru using xen-4.1-unstable on an i915 chipset, and have a null dereference within the xenfront PCI driver code (backtrace in attached guest-dmesg). This oops is in response to the following xm commands executed on the host: # xm pci-detach fc13-64 0:00:02.1 # xm pci-detach fc13-64 0:00:02.0 Error: Timed out waiting for device model action Usage: xm pci-detach <Domain> <domain:bus:slot.func> This will also happen if 0:00:02.1 is not removed. I'm available to test patches or provide additional debugging information if that would be useful. -- Daniel De Graaf National Security Agency
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