I was able to assign a PCI device to a VM via PCI pass through/vt-d with
Wily/4.2 after adding 'intel_iommu=on' to the kernel cmdline. Can you please
re-test with this option and the latest kernel to see if this works now?
Thanks
** Changed in: libvirt (Ubuntu)
Status: Triaged => Incompl
allow_unsafe_assigned_interrupts=1 does work:
$ grep QEMU /proc/cpuinfo
model name : QEMU Virtual CPU version 1.0
model name : QEMU Virtual CPU version 1.0
$ lspci | grep Fun
00:05.0 Ethernet controller: Intel Corporation 82576 Virtual Function (rev 01)
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I'm trying with 12.04 LTS KVM host and guest.
RHEL 6 documentation says: {{ Secure device assignment also requires
interrupt remapping support. If a platform does not support interrupt
remapping, device assignment will fail. To use device assignment without
interrupt remapping support in a develop
Reboot did nothing, game over for now.
The driver 'pci-stub' is occupying your device
I thought pci-stub taking the device is what it was supposed to do?
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These commands:
echo "1106 3038" > /sys/bus/pci/drivers/pci-stub/new_id
echo :08:06.0 > /sys/bus/pci/devices/:08:06.0/driver/unbind
echo :08:06.0 > /sys/bus/pci/drivers/pci-stub/bind
>From here:
http://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
Did nothing.
Howe
Here is the test.log
** Attachment added: "test.log"
https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/639712/+attachment/1820712/+files/test.log
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OK, I've tried the following:
1) Recompile kernel with all the same options except enabling DMAR.
2) Edit the apparmour profile to match suggested by flashydave
3) Installed latest qemu-kvm from kvm edgers ppa:
https://launchpad.net/~ubuntu-server-edgers/+archive/server-edgers-qemu-kvm
Attached
Hi,
Looks like this is also affecting me. :(
I'm trying to pass a PCI tuner through to a virtual machine, I have an AMD
890FX based board with IOMMU and it's switched on in the BIOS.
Running Ubuntu server 10.10 x64.
Flashydave: It sounds like you've actually got this working, have you
written a
I have the same Problem. I will use a 1394 device.
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PCI Pass Through via libvirt cannot remap IRQ's
https://bugs.launchpad.net/bugs/639712
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I'm marking this 'Linux' (upstream) task as based on the bug info.
Additionally, Even for Ubuntu project 'linux' changes would be covered
under bug 552311
** Also affects: qemu-kvm (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux
Status: New => Invalid
** Changed
Yes. That aspect has been noted already in Bug #552311. Depending on how
we deal with the various components of this issue it might be sensible
to track the config changes under that reference.
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PCI Pass Through via libvirt cannot remap IRQ's
https://bugs.launchpad.net/bugs/639712
You received
Thanks for reporting this bug and helping to make Ubuntu better.
So the first step, it sounds like, would be to pursue enabling the CONFIGs you
need
in Ubuntu's kernel. There may be a specific reason why it isn't yet, but if
not we can
see about requesting that it be enabled in for Natty.
** A
** Attachment added: "Dependencies.txt"
https://bugs.launchpad.net/bugs/639712/+attachment/1589223/+files/Dependencies.txt
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PCI Pass Through via libvirt cannot remap IRQ's
https://bugs.launchpad.net/bugs/639712
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