On Tue, Sep 28, 2010 at 2:27 AM, Inigo Losada <[email protected]> wrote: > > We are using pci passthrough with an SCSI Adapter card. The system is: > > - O.S: Ubuntu 10.04.1 LTS > - KVM Packages: > > kvm 1:84+dfsg-0ubuntu16+0.12.3+noroms+0ubuntu9.2 > kvm-pxe 5.4.4-1ubuntu1 > qemu-kvm 0.12.3+noroms-0ubuntu9.2 > libvirt-bin 0.7.5-5ubuntu27.2 > python-libvirt 0.7.5-5ubuntu27.2 > libvirt0 0.7.5-5ubuntu27.2 > > - Kernel 2.6.32.15+drm33.5.iommu recompiled with following options : > > CONFIG_DMAR=y > CONFIG_INTR_REMAP=y > > - Apparmor is stopped > > When we started the virtual machine we obtain the following error: > > char device redirected to /dev/pts/3 > device: 04:04.0: driver="pci-assign" host="04:04.0" > Failed to assign irq for "04:04.0": Operation not permitted > Perhaps you are assigning a device that shares an IRQ with another device?
Does the device share an IRQ with another device? If not, does it work if you launch qemu manually with sudo? It might be that the kernel and tool set aren't new enough to fully support running a de-privileged guest with device assignment. Thanks, Alex -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
