[Qemu-devel] [Bug 1392504] Re: libvirt not relabeling devices on USB Passthrough

[nickmaelao]

I have done the suggested in comment 23 , but the problem persist, after
i lunch the guest, i receive the following erros, and lsusb in the guest
doesnt show the attached usb device:

Host:

 ll  /dev/bus/usb/001/
crw-rw-r--  1 libvirt-qemu kvm  189, 9 Mar 29 21:21 010

lsusb: 
Bus 001 Device 010: ID 0cf3:9271 Atheros Communications, Inc. AR9271 802.11n

syslog

Mar 29 21:21:57 ivan-desktop kernel: [168754.517390] usb 1-1: reset high-speed 
USB device number 10 using xhci_hcd
Mar 29 21:21:57 ivan-desktop kernel: [168754.666064] xhci_hcd 0000:00:10.0: 
xHCI xhci_drop_endpoint called with disabled ep ffff88010a264600
Mar 29 21:21:57 ivan-desktop kernel: [168754.666080] xhci_hcd 0000:00:10.0: 
xHCI xhci_drop_endpoint called with disabled ep ffff88010a264648
Mar 29 21:21:57 ivan-desktop kernel: [168754.666086] xhci_hcd 0000:00:10.0: 
xHCI xhci_drop_endpoint called with disabled ep ffff88010a264690
Mar 29 21:21:57 ivan-desktop kernel: [168754.666090] xhci_hcd 0000:00:10.0: 
xHCI xhci_drop_endpoint called with disabled ep ffff88010a2646d8
Mar 29 21:21:57 ivan-desktop kernel: [168754.666095] xhci_hcd 0000:00:10.0: 
xHCI xhci_drop_endpoint called with disabled ep ffff88010a264720
Mar 29 21:21:57 ivan-desktop kernel: [168754.666099] xhci_hcd 0000:00:10.0: 
xHCI xhci_drop_endpoint called with disabled ep ffff88010a264768


libvirt-bin                                           1.2.8-0ubuntu11.4 
qemu                                                  2.1+dfsg-4ubuntu6.4 
Ubuntu 14.10    3.19.2-031902-generic

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https://bugs.launchpad.net/bugs/1392504

Title:
  libvirt not relabeling devices on USB Passthrough

Status in QEMU:
  New
Status in libvirt package in Ubuntu:
  Triaged

Bug description:
  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
  virual FNAS machine and a USB 2camera to virtual Win7 machine. All
  these devices are not working any more.

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