Re: [Qemu-discuss] Error starting domain: vfio-pci

2015-05-22 13:37 GMT-07:00 Bandan Das <address@hidden>:

Gabriel Laupre <address@hidden> writes:

>> Just, try using a different slot number.
> I changed the addr from 0x3 to 0x4 with the existing device under 04.01.4
> (it is a VF from a NIC)/
> I get:
> address@hidden devstack]# /usr/libexec/qemu-kvm -device
> vfio-pci,host=04:01.4,id=hostdev0,bus=pci.0,addr=0x4 -monitor stdio
> QEMU 1.5.3 monitor - type 'help' for more information
> (qemu) qemu-kvm: -device
> vfio-pci,host=04:01.4,id=hostdev0,bus=pci.0,addr=0x4: vfio: failed to set
> iommu for container: Operation not permitted
> qemu-kvm: -device vfio-pci,host=04:01.4,id=hostdev0,bus=pci.0,addr=0x4:
> vfio: failed to setup container for group 22
> qemu-kvm: -device vfio-pci,host=04:01.4,id=hostdev0,bus=pci.0,addr=0x4:
> vfio: failed to get group 22
> qemu-kvm: -device vfio-pci,host=04:01.4,id=hostdev0,bus=pci.0,addr=0x4:
> Device initialization failed.
> qemu-kvm: -device vfio-pci,host=04:01.4,id=hostdev0,bus=pci.0,addr=0x4:
> Device 'vfio-pci' could not be initialized
>
> under the group 22 I have the said device
> # /sys/kernel/iommu_groups/22/devices/0000:04:01.4
>
> I dettached it before using the command
> # virsh nodedev-detach pci_0000_04_01_4

You may need to detach all VFs if they are in the same iommu group.

Also, check if dmesg has any relevant messages when this error
occurs.

> My goodness, what's going on :P Thank for you time Bandan, I really
> appreciate
>
> 2015-05-22 13:14 GMT-07:00 Bandan Das <address@hidden>:
>
>> Gabriel Laupre <address@hidden> writes:
>>
>> > Actually, I get the same error if I enter a PCI address completely random
>> > (for example 04.01.5, which doesn't exist in my system)
>>
>> No, that has nothing to do with the pci address of the host device you are
>> trying to assign. It's telling you that that slot is already used up in
>> the guest.
>>
>> Just, try using a different slot number.
>>
>> > 2015-05-22 12:00 GMT-07:00 Bandan Das <address@hidden>:
>> >
>> >> Gabriel Laupre <address@hidden> writes:
>> >>
>> >> >>To rule out if it's a problem with your guest xml. Let me know if you
>> are
>> >> > interested and I will write down the steps.
>> >> >
>> >> > I am way more than interested to try that :) Thanks a lot
>> >>
>> >> Ok, Based on your command line below, I am assuming that you have a
>> >> multifunction card. You might need to bind all functions to the
>> >> stub driver if they are in the same iommu group or else vfio will
>> complain.
>> >>
>> >> virsh nodedev-list | grep 04_10
>> >>
>> >> The output would be something like
>> >> pci_0000_04_10_0
>> >> pci_0000_04_10_1 and so on.
>> >>
>> >> For each, assuming they are the same card, you have to bind them to the
>> >> stub driver:
>> >> virsh nodedev-detach pci_0000_04_10_0
>> >> virsh nodedev-detach pci_0000_04_10_1 ...
>> >>
>> >> Shut down all guests and make sure no qemu processes are running
>> >> and then run qemu:
>> >> /usr/libexec/qemu-kvm -device
>> >> vfio-pci,host=04:10.4,id=hostdev0,bus=pci.0,addr=0x3 -monitor stdio
>> >>
>> >> I think this should be enough to spit out the error, there's no need to
>> >> actually
>> >> boot a guest image.
>> >>
>> >> > 2015-05-22 10:46 GMT-07:00 Bandan Das <address@hidden>:
>> >> >
>> >> >> Gabriel Laupre <address@hidden> writes:
>> >> >>
>> >> >> >> Thanks for the update. Did you get a chance to run qemu standalone
>> >> >> > without libvirt?
>> >> >> > How can I do that, what are the purpose to do so and why to try
>> that?
>> >> >> > (thank you ^^)
>> >> >> To rule out if it's a problem with your guest xml. Let me know if you
>> >> are
>> >> >> interested and I will write down the steps.
>> >> >>
>> >> >> > 2015-05-21 13:32 GMT-07:00 Bandan Das <address@hidden>:
>> >> >> >
>> >> >> >> Gabriel Laupre <address@hidden> writes:
>> >> >> >>
>> >> >> >> >> AppArmor is Debian based, but that doesn't stop you from
>> >> >> >> > running/installing it on other distros
>> >> >> >> >
>> >> >> >> >> $ dmesg | grep apparmor
>> >> >> >> >
>> >> >> >> > The service isn't started nor present in my machine. Thank you
>> for
>> >> the
>> >> >> >> hint
>> >> >> >> > though.
>> >> >> >> > I am still stuck with this error and it is not dependent of my
>> >> Intel
>> >> >> >> NIC, I
>> >> >> >> > used another one and I still got the same error message.
>> >> >> >> > ps: tks to remind me to send to the mailing list:)
>> >> >> >>
>> >> >> >> Thanks for the update. Did you get a chance to run qemu standalone
>> >> >> without
>> >> >> >> libvirt ?
>> >> >> >>
>> >> >> >> > 2015-05-21 12:32 GMT-07:00 Karl Apsite <
>> >> address@hidden>:
>> >> >> >> >
>> >> >> >> >> AppArmor is Debian based, but that doesn't stop you from
>> >> >> >> >> running/installing it
>> >> >> >> >> on other distros
>> >> >> >> >>
>> >> >> >> >> $ dmesg | grep apparmor
>> >> >> >> >>
>> >> >> >> >> On 05/20/2015 02:56 PM, Bandan Das wrote:
>> >> >> >> >> > Gabriel Laupre <address@hidden> writes:
>> >> >> >> >> >
>> >> >> >> >> >> Mmmhh,
>> >> >> >> >> >> My SELinux is disabled. Is Apparmor not only on
>> debian/ubuntu
>> >> and
>> >> >> >> suse,
>> >> >> >> >> am
>> >> >> >> >> >> I wrong? I have no idea on that :)
>> >> >> >> >> >
>> >> >> >> >> > Yeah, me neither :) I am just trying to rule out all
>> >> possibilities.
>> >> >> >> >> >
>> >> >> >> >> >> 2015-05-20 11:23 GMT-07:00 Bandan Das <address@hidden>:
>> >> >> >> >> >>
>> >> >> >> >> >>> Oh and one more thing! You already answered before but just
>> >> >> wanted
>> >> >> >> to
>> >> >> >> >> >>> confirm
>> >> >> >> >> >>> that you don't have apparmor running, right ?
>> >> >> >> >> >>>
>> >> >> >> >> >>> Bandan Das <address@hidden> writes:
>> >> >> >> >> >>>
>> >> >> >> >> >>>> Gabriel Laupre <address@hidden> writes:
>> >> >> >> >> >>>>
>> >> >> >> >> >>>>>> Yes, indeed it is. What distro is this ? Do you have
>> >> SELinux
>> >> >> or
>> >> >> >> any
>> >> >> >> >> >>> other
>> >> >> >> >> >>>>> security feature enabled ? Can you please verify that the
>> >> file
>> >> >> >> has a
>> >> >> >> >> >>>>> appropriate label if SELinux is enabled ? (ls -lZ
>> >> >> /dev/vfio/vfio)
>> >> >> >> >> >>>>> My distrib:
>> >> >> >> >> >>>>> address@hidden ~]# cat /proc/version
>> >> >> >> >> >>>>> Linux version 3.10.0-229.1.2.el7.x86_64 (
>> >> >> >> >> >>> address@hidden)
>> >> >> >> >> >>>>> (gcc version 4.8.2 20140120 (Red Hat 4.8.2-16) (GCC) ) #1
>> >> SMP
>> >> >> Fri
>> >> >> >> >> Mar 27
>> >> >> >> >> >>>>> 03:04:26 UTC 2015
>> >> >> >> >> >>>>> address@hidden ~]# cat /etc/centos-release
>> >> >> >> >> >>>>> CentOS Linux release 7.1.1503 (Core)
>> >> >> >> >> >>>>>
>> >> >> >> >> >>>>> address@hidden ~]# ls -lZ /dev/vfio/vfio
>> >> >> >> >> >>>>> crw-rw-rw- root root ?
>> >> >> >> /dev/vfio/vfio
>> >> >> >> >> >>>>>
>> >> >> >> >> >>>>> SELinux is disabled:
>> >> >> >> >> >>>>> address@hidden ~]# getenforce
>> >> >> >> >> >>>>> Disabled
>> >> >> >> >> >>>>>
>> >> >> >> >> >>>>> I guess no other security feature is enabled that I am
>> aware
>> >> >> of. I
>> >> >> >> >> once
>> >> >> >> >> >>> had
>> >> >> >> >> >>>>> a message saying that it can be one of the following
>> issues
>> >> >> >> (listing
>> >> >> >> >> the
>> >> >> >> >> >>>>> 5). So I guess it can be any combination of those issues,
>> >> even
>> >> >> >> >> something
>> >> >> >> >> >>>>> completely different.
>> >> >> >> >> >>>>
>> >> >> >> >> >>>> Ugh, I am out of options! Can you please try a few more
>> >> things:
>> >> >> Can
>> >> >> >> >> you
>> >> >> >> >> >>> try
>> >> >> >> >> >>>> running qemu directly and see if you see the same
>> behavior ?
>> >> If
>> >> >> you
>> >> >> >> >> still
>> >> >> >> >> >>>> haven't tried running as root, please try that too. Also,
>> >> please
>> >> >> >> check
>> >> >> >> >> >>> dmesg
>> >> >> >> >> >>>> for any vfio related errors.
>> >> >> >> >> >>>>
>> >> >> >> >> >>>>> libvirtError: internal error: process exited while
>> >> connecting
>> >> >> to
>> >> >> >> >> >>>>> monitor: 2015-05-19T21:46:21.935043Z qemu-kvm: -device
>> >> >> >> >> >>>>> vfio-pci,host=04:10.4,id=hostdev0,bus=pci.0,addr=0x3:
>> vfio:
>> >> >> >> failed to
>> >> >> >> >> >>>>> open /dev/vfio/vfio: Operation not permitted
>> >> >> >> >> >>>> Well, this is the first error from
>> vfio_connect_container()
>> >> >> when it
>> >> >> >> >> does:
>> >> >> >> >> >>>> fd = qemu_open("/dev/vfio/vfio", O_RDWR);
>> >> >> >> >> >>>> if (fd < 0) {
>> >> >> >> >> >>>> error_report("vfio: failed to open /dev/vfio/vfio:
>> >> %m");
>> >> >> >> >> >>>> ret = -errno;
>> >> >> >> >> >>>> ...
>> >> >> >> >> >>>>
>> >> >> >> >> >>>> The rest are followup errors printed from the other
>> >> functions in
>> >> >> >> the
>> >> >> >> >> >>>> stack due to this error.
>> >> >> >> >> >>>>
>> >> >> >> >> >>>> Bandan
>> >> >> >> >> >>>>
>> >> >> >> >> >>>>> 2015-05-19T21:46:21.935091Z qemu-kvm: -device
>> >> >> >> >> >>>>> vfio-pci,host=04:10.4,id=hostdev0,bus=pci.0,addr=0x3:
>> vfio:
>> >> >> >> failed to
>> >> >> >> >> >>>>> setup container for group 24
>> >> >> >> >> >>>>> 2015-05-19T21:46:21.935107Z qemu-kvm: -device
>> >> >> >> >> >>>>> vfio-pci,host=04:10.4,id=hostdev0,bus=pci.0,addr=0x3:
>> vfio:
>> >> >> >> failed to
>> >> >> >> >> >>>>> get group 24
>> >> >> >> >> >>>>> 2015-05-19T21:46:21.935135Z qemu-kvm: -device
>> >> >> >> >> >>>>> vfio-pci,host=04:10.4,id=hostdev0,bus=pci.0,addr=0x3:
>> Device
>> >> >> >> >> >>>>> initialization failed.
>> >> >> >> >> >>>>> 2015-05-19T21:46:21.935157Z qemu-kvm: -device
>> >> >> >> >> >>>>> vfio-pci,host=04:10.4,id=hostdev0,bus=pci.0,addr=0x3:
>> Device
>> >> >> >> >> >>>>> 'vfio-pci' could not be initialized
>> >> >> >> >> >>>>>
>> >> >> >> >> >>>>>
>> >> >> >> >> >>>>>
>> >> >> >> >> >>>>>
>> >> >> >> >> >>>>> 2015-05-19 21:17 GMT-08:00 Bandan Das <address@hidden>:
>> >> >> >> >> >>>>>
>> >> >> >> >> >>>>>>
>> >> >> >> >> >>>>>>> On May 20, 2015, at 12:29 AM, Gabriel Laupre <
>> >> >> address@hidden
>> >> >> >> >
>> >> >> >> >> >>> wrote:
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>> Thank Bandan,
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>>> Assuming you are on an intel box, have you booted your
>> >> >> kernel
>> >> >> >> with
>> >> >> >> >> >>>>>> intel_iommu=on ?
>> >> >> >> >> >>>>>>> Yes, I have booted my kernel with the intel_iommu=on.
>> (I
>> >> >> don't
>> >> >> >> >> >>> remember
>> >> >> >> >> >>>>>> how to check that now though ^^)
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>>> Please paste the output of dmesg | grep -e DMAR -e
>> IOMMU
>> >> ?
>> >> >> >> >> >>>>>>> address@hidden ~]# dmesg | grep -e DMAR -e IOMMU
>> >> >> >> >> >>>>>>> [ 0.000000] ACPI: DMAR 00000000bf79e0c0 00118 (v01
>> >> AMI
>> >> >> >> >> OEMDMAR
>> >> >> >> >> >>>>>> 00000001 MSFT 00000097)
>> >> >> >> >> >>>>>>> [ 0.000000] Intel-IOMMU: enabled
>> >> >> >> >> >>>>>>> [ 0.039149] dmar: IOMMU 0: reg_base_addr fbffe000
>> ver
>> >> 1:0
>> >> >> cap
>> >> >> >> >> >>>>>> c90780106f0462 ecap f020f6
>> >> >> >> >> >>>>>>> [ 0.550126] IOMMU 0 0xfbffe000: using Queued
>> >> invalidation
>> >> >> >> >> >>>>>>> [ 0.550131] IOMMU: Setting RMRR:
>> >> >> >> >> >>>>>>> [ 0.550149] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1a.0
>> >> >> >> >> >>>>>> [0xbf7ec000 - 0xbf7fffff]
>> >> >> >> >> >>>>>>> [ 0.550184] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1a.1
>> >> >> >> >> >>>>>> [0xbf7ec000 - 0xbf7fffff]
>> >> >> >> >> >>>>>>> [ 0.550211] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1a.2
>> >> >> >> >> >>>>>> [0xbf7ec000 - 0xbf7fffff]
>> >> >> >> >> >>>>>>> [ 0.550241] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1a.7
>> >> >> >> >> >>>>>> [0xbf7ec000 - 0xbf7fffff]
>> >> >> >> >> >>>>>>> [ 0.550272] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1d.0
>> >> >> >> >> >>>>>> [0xbf7ec000 - 0xbf7fffff]
>> >> >> >> >> >>>>>>> [ 0.550302] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1d.1
>> >> >> >> >> >>>>>> [0xbf7ec000 - 0xbf7fffff]
>> >> >> >> >> >>>>>>> [ 0.550329] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1d.2
>> >> >> >> >> >>>>>> [0xbf7ec000 - 0xbf7fffff]
>> >> >> >> >> >>>>>>> [ 0.550358] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1d.7
>> >> >> >> >> >>>>>> [0xbf7ec000 - 0xbf7fffff]
>> >> >> >> >> >>>>>>> [ 0.550375] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1a.0
>> >> >> >> >> >>>>>> [0xec000 - 0xeffff]
>> >> >> >> >> >>>>>>> [ 0.550387] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1a.1
>> >> >> >> >> >>>>>> [0xec000 - 0xeffff]
>> >> >> >> >> >>>>>>> [ 0.550399] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1a.2
>> >> >> >> >> >>>>>> [0xec000 - 0xeffff]
>> >> >> >> >> >>>>>>> [ 0.550410] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1a.7
>> >> >> >> >> >>>>>> [0xec000 - 0xeffff]
>> >> >> >> >> >>>>>>> [ 0.550421] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1d.0
>> >> >> >> >> >>>>>> [0xec000 - 0xeffff]
>> >> >> >> >> >>>>>>> [ 0.550433] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1d.1
>> >> >> >> >> >>>>>> [0xec000 - 0xeffff]
>> >> >> >> >> >>>>>>> [ 0.550444] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1d.2
>> >> >> >> >> >>>>>> [0xec000 - 0xeffff]
>> >> >> >> >> >>>>>>> [ 0.550458] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1d.7
>> >> >> >> >> >>>>>> [0xec000 - 0xeffff]
>> >> >> >> >> >>>>>>> [ 0.550471] IOMMU: Prepare 0-16MiB unity mapping for
>> >> LPC
>> >> >> >> >> >>>>>>> [ 0.550483] IOMMU: Setting identity map for device
>> >> >> >> 0000:00:1f.0
>> >> >> >> >> >>> [0x0
>> >> >> >> >> >>>>>> - 0xffffff]
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>
>> >> >> >> >> >>>>>> Yeah, this looks ok. Actually, taking a second look, I
>> >> can’t
>> >> >> >> think
>> >> >> >> >> of
>> >> >> >> >> >>>>>> anyway how this could be related to file permissions on
>> >> >> >> >> /dev/vfio/vfio.
>> >> >> >> >> >>>>>>
>> >> >> >> >> >>>>>>>> Why does opening /dev/vfio/vfio fail ? Can you please
>> >> >> confirm
>> >> >> >> that
>> >> >> >> >> >>> you
>> >> >> >> >> >>>>>> have read/write permissions as the user you are trying
>> to
>> >> run
>> >> >> ?
>> >> >> >> >> >>>>>>> address@hidden ~]# cd /dev/vfio/
>> >> >> >> >> >>>>>>> address@hidden vfio]# ls -la | grep vfio
>> >> >> >> >> >>>>>>> crw-rw-rw- 1 root root 10, 196 May 18 11:54 vfio
>> >> >> >> >> >>>>>>> The right should be okay I guess.
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>> Yes, indeed it is. What distro is this ? Do you have
>> >> SELinux
>> >> >> or
>> >> >> >> any
>> >> >> >> >> >>> other
>> >> >> >> >> >>>>>> security feature enabled ? Can you please verify that
>> the
>> >> file
>> >> >> >> has a
>> >> >> >> >> >>>>>> appropriate label if SELinux is enabled ? (ls -lZ
>> >> >> /dev/vfio/vfio)
>> >> >> >> >> >>>>>>
>> >> >> >> >> >>>>>> Bandan
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>> 2015-05-19 18:54 GMT-08:00 Bandan Das <address@hidden
>> >:
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>> Hello Gabriel,
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>>> On May 19, 2015, at 8:03 PM, Gabriel Laupre <
>> >> >> address@hidden
>> >> >> >> >
>> >> >> >> >> >>> wrote:
>> >> >> >> >> >>>>>>>>
>> >> >> >> >> >>>>>>>> Hello everyone,
>> >> >> >> >> >>>>>>>>
>> >> >> >> >> >>>>>>>> I am using a Centos 7.1 machine with the kernel
>> >> 3.10.229. I
>> >> >> >> want
>> >> >> >> >> to
>> >> >> >> >> >>>>>> use my host with SR-IOV to use a virtual function on my
>> >> NIC as
>> >> >> >> the
>> >> >> >> >> >>> vNIC in
>> >> >> >> >> >>>>>> my new VM.
>> >> >> >> >> >>>>>>>>
>> >> >> >> >> >>>>>>>> I have an instance started with a old NIC using
>> macvtap
>> >> >> that I
>> >> >> >> >> >>> want to
>> >> >> >> >> >>>>>> change. I am using the
>> >> >> >> >> >>>>>>>> virsh edit instance-00000034
>> >> >> >> >> >>>>>>>> command to edit the XML configuration to add the new
>> >> device
>> >> >> I
>> >> >> >> want
>> >> >> >> >> >>> to
>> >> >> >> >> >>>>>> attach.
>> >> >> >> >> >>>>>>> …
>> >> >> >> >> >>>>>>> Assuming you are on an intel box, have you booted your
>> >> kernel
>> >> >> >> with
>> >> >> >> >> >>>>>> intel_iommu=on ?
>> >> >> >> >> >>>>>>> Please paste the output of dmesg | grep -e DMAR -e
>> IOMMU ?
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>>> When I try to reboot the VM I get this error:
>> >> >> >> >> >>>>>>>> Error starting domain: internal error: process exited
>> >> while
>> >> >> >> >> >>> connecting
>> >> >> >> >> >>>>>> to monitor: 2015-05-19T21:46:21.935043Z qemu-kvm:
>> -device
>> >> >> >> >> >>>>>> vfio-pci,host=04:10.4,id=hostdev0,bus=pci.0,addr=0x3:
>> vfio:
>> >> >> >> failed
>> >> >> >> >> to
>> >> >> >> >> >>> open
>> >> >> >> >> >>>>>> /dev/vfio/vfio: Operation not permitted
>> >> >> >> >> >>>>>>> Why does opening /dev/vfio/vfio fail ? Can you please
>> >> confirm
>> >> >> >> that
>> >> >> >> >> >>> you
>> >> >> >> >> >>>>>> have read/write permissions as the user you are trying
>> to
>> >> run
>> >> >> ?
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>>> 2015-05-19T21:46:21.935091Z qemu-kvm: -device
>> >> >> >> >> >>>>>> vfio-pci,host=04:10.4,id=hostdev0,bus=pci.0,addr=0x3:
>> vfio:
>> >> >> >> failed
>> >> >> >> >> to
>> >> >> >> >> >>> setup
>> >> >> >> >> >>>>>> container for group 24
>> >> >> >> >> >>>>>>>> 2015-05-19T21:46:21.935107Z qemu-kvm: -device
>> >> >> >> >> >>>>>> vfio-pci,host=04:10.4,id=hostdev0,bus=pci.0,addr=0x3:
>> vfio:
>> >> >> >> failed
>> >> >> >> >> to
>> >> >> >> >> >>> get
>> >> >> >> >> >>>>>> group 24
>> >> >> >> >> >>>>>>>> 2015-05-19T21:46:21.935135Z qemu-kvm: -device
>> >> >> >> >> >>>>>> vfio-pci,host=04:10.4,id=hostdev0,bus=pci.0,addr=0x3:
>> >> Device
>> >> >> >> >> >>> initialization
>> >> >> >> >> >>>>>> failed.
>> >> >> >> >> >>>>>>>> 2015-05-19T21:46:21.935157Z qemu-kvm: -device
>> >> >> >> >> >>>>>> vfio-pci,host=04:10.4,id=hostdev0,bus=pci.0,addr=0x3:
>> >> Device
>> >> >> >> >> 'vfio-pci'
>> >> >> >> >> >>>>>> could not be initialized
>> >> >> >> >> >>>>>>>>
>> >> >> >> >> >>>>>>>> total Trace here: http://sprunge.us/XZFB
>> >> >> >> >> >>>>>>>>
>> >> >> >> >> >>>>>>>> Any idea how to fix that?
>> >> >> >> >> >>>>>>>>
>> >> >> >> >> >>>>>>>> Thank you very much :)
>> >> >> >> >> >>>>>>>>
>> >> >> >> >> >>>>>>>> Gabriel
>> >> >> >> >> >>>>>>>>
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>>
>> >> >> >> >> >>>>>>
>> >> >> >> >> >>>>>>
>> >> >> >> >> >>>
>> >> >> >> >> >
>> >> >> >> >>
>> >> >> >>
>> >> >>
>> >>
>>

From:	Gabriel Laupre
Subject:	Re: [Qemu-discuss] Error starting domain: vfio-pci
Date:	Fri, 22 May 2015 13:50:11 -0700