Has anyone tested whether this is still broken in 15.04?
** Also affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** No longer affects: libvirt (Ubuntu)
** Also affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
** Changed in: libvirt (Ubuntu)
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
I don't run apparmor.
Ubuntu 14.10 host
Have this same issue with USB Host Attachment on Windows and Linux guests.
USB Redirection using SPICE is unaffected and works as expected.
Libvirt logs show...
libusbx: error [_get_usbfs_fd] libusbx couldn't open USB device
/dev/bus/usb/003/006:
You also should be able to do
aa-audit /usr/sbin/libvirtd
which should put informative messages into /var/log/syslog or
/var/log/audit/audit.log as well.
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I haven't seen an error like that, and cannot reproduce it here.
Another way to test that apparmor is causing the problem would be to add
/dev/** rw,
at the bottom of the file /etc/apparmor.d/abstractions/libvirt-qemu.
When you next start the vm apparmor should allow it full access to all
Hi Serge,
Following error message appears after I teared down apparmor and when I
tried to start the vm:
$sudo virsh start vm
error: Failed to start domain vm
error: error from service: ListActivatableNames: Failed to query AppArmor
policy: No such file or directory
Can anybody provide me a
@lj-keus
if you turn off apparmor
sudo /etc/init.d/apparmor stop
sudo /etc/init.d/apparmor teardown
does that fix the issue for you?
(Please re-enable apparmor immediately after the test using
sudo /etc/init.d/apparmor start
sudo stop libvirt-bin
sudo start libvirt-bin
)
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I just installed libvirt 1.2.8 on ubuntu utopic and usb passthrough does not
work on a linux vm
I got the libusbx error in the livert VM log
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Found the following lines in /var/log/libvirt/qemu/machine.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
** Changed in: qemu (Ubuntu)
Status: Incomplete = Confirmed
** Changed in: qemu (Ubuntu)
Importance: Undecided = High
** Changed in: qemu (Ubuntu)
Status: Confirmed = Triaged
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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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Please disregard my previous comment about being broken in 14.04 -- In
fact I was running 14.10 and didn't realize it (a reboot and 14.10 being
the grub default). In fact the passthrough still works in 14.04 just
fine, and still fully broken in 14.10.
I did confirm, however, that there are NO
I just noticed that after I applied the latest updates (apt-get dist-
ugrade) to my Ubuntu 14.04 system that USB redirection is now failing on
THIS system as well - just like the 14.10 system failed.
FWIW, I do not see any apparomor denial messages in /var/log/syslog or
anywhere else. So far
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
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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I just wanted to add another data point -- I migrated my old WinXP VM
from my 14.04 install to my new 14.10 install and found out that the USB
passthrough is not working -- Same libvirt XML definition file. Tried
removing and re-adding with no luck.
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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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@Leen,
I am pushing qemu 2.1+dfsg-4ubuntu6.3~ppa1 (which includes the fix
proposed by Gonglei in comment #7) to ppa:serge-hallyn/libvirt-testing.
Please let us know whether it does in fact solve your issue.
** Also affects: qemu (Ubuntu)
Importance: Undecided
Status: New
** Changed
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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You received this bug
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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On 2014/11/14 16:47, Leen Keus wrote:
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
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
Yes, it is valid. libvirt is disabling the automagic UHCI controller,
which makes sense since he is using XHCI.
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Title:
USB Passthrough is not
On 2014/11/14 19:57, Leen Keus wrote:
Command lines generated by virsh from the libvirt xml files (let me know if
you also need the xml configuration files):
Does this below patch fix your problem?
http://git.qemu.org/?p=qemu.git;a=commitdiff;h=79ae25af1569a50a0ec799901a1bb280c088f121
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