Hi all, recently upgraded to 15.04 and the issue is solved in this
version.
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https://bugs.launchpad.net/bugs/1392504
Title:
libvirt not relabeling devices on USB Passthrough
Status in
Hi Kevin, finally somebody that found a solution. Great, thank you very
much! It is working now.
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https://bugs.launchpad.net/bugs/1392504
Title:
USB Passthrough is not working anymore
Hi Serge,
Following error message appears after I teared down apparmor and when I
tried to start the vm:
$sudo virsh start
error: Failed to start domain
error: error from service: ListActivatableNames: Failed to query AppArmor
policy: No such file or directory
Can anybody provide me a list of
Found the following lines in /var/log/libvirt/qemu/.log
libusbx: error [_get_usbfs_fd] libusbx couldn't open USB device
/dev/bus/usb/001/004: Permission denied
libusbx: error [_get_usbfs_fd] libusbx requires write access to USB device
nodes.
libusbx: error [_get_usbfs_fd] libusbx couldn't open US
Can you check if the same error messages appear in /var/log/syslog and
/var/log/libvirt/qemu/.log as I described in bug #1392504?
Because I think it is apparmor related.
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I don't know if it is relevant, but in the error message of apparmor is
says: comm="qemu-system-x86"; while libvirt starts qemu-system-x86_64.
Anybody searching for a solution? I am not able to make backups since
the upgrade to 14.10...
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I think it is related to Apparmor, I see the following lines in
/etc/syslog:
Nov 22 14:36:23 uvir kernel: [18882.602278] audit: type=1400
audit(1416663383.171:69): apparmor="DENIED" operation="open"
profile="libvirt-30619811-d285-944a-026a-cdd4a753b77a"
name="/sys/devices/pci:00/:00:1c.
Same issue appeard after upgrading from Ubuntu 13.04 to 13.10; bug:
1245251 (Apparmor blocks usb devices in libvirt in Saucy). Could it be
related to this issue? Maybe a new or other line in
/etc/apparmor.d/abstractions/libvirt-qemu?
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Hi Serge, just tested your solution but unfortunately with no success. I
also removed a vm and created it again, also with no luck. Sorry ...
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https://bugs.launchpad.net/bugs/1392504
Tit
I greatly appriciate your help to find a solution for this issue, but I have
used apt-get to installed QEMU already since version 12.10. I never used the
QEMU source code for something. Is it possible that you provide an updated
executable or library?
Regards,
Leen
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Command lines generated by virsh from the libvirt xml files (let me know if you
also need the xml configuration files):
qemu-system-x86_64 -enable-kvm -name fsg -S -machine pc-1.2,accel=kvm,usb=off
-m 2048 -realtime mlock=off -smp 2,sockets=2,cores=1,threads=1 -uuid
30619811-d285-944a-026a-cdd
Under Ubuntu 14.04 the USB devices where attached to the virtual
machines. After upgrading to Ubuntu 14.10 the USB devices are not
visible in the virtual machines anymore. Same issue appeard after
upgrading from Ubuntu 13.04 to 13.10, but I can not find that bug report
anymore.
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Public bug reported:
After upgrading from Ubuntu 14.04 to Ubuntu 14.10 USB passthrough in
QEMU (version is now 2.1.0 - Debian2.1+dfsg-4ubuntu6.1) is not working
any more. Already tried to remove and attach the USB devices. I use 1
USB2 HDD + 1 USB3 HDD to a virtual linux machine; 1 USB2 HDD to a
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