[Bug 787091] Re: Unable to use USB device in KVM quest
Royston Carter
787091 at bugs.launchpad.net
Wed Jun 22 08:03:57 UTC 2011
Serge,
Any more thoughts on this one, it causes me some significant issues so I would really like to get to the bottom of it if possible.
Regards
Roy
Sent from my iPad
On 17 Jun 2011, at 22:22, Serge Hallyn <787091 at bugs.launchpad.net>
wrote:
> Since KVM is running as root and the device is owned by root (and ACL
> gives 'user:rw' perms), I don't think the ACLs are to blame.
>
> Could you try booting the system with 'apparmor=0' in the boot arguments? If it works then, then we know apparmor is somehow still causing this.
> ---
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> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/787091
>
> Title:
> Unable to use USB device in KVM quest
>
> Status in “qemu-kvm” package in Ubuntu:
> Incomplete
>
> Bug description:
> Binary package hint: qemu-kvm
>
> Ubuntu 10.04 Server:
>
> I have been trying for some considerable time to get a Windows XP
> guest to recognise a USB Canon printer. I have searched google
> endlessly and applied a number of changes to apparmor profiles. I am
> still not able to get the guest to recognise that there a USB device
> attached. I was originally getting repeated messages in kern.log as
> below but the apparmor changes did resolve these:
>
> May 22 08:01:51 vmserver kernel: [424696.858434] type=1503
> audit(1306047711.654:81239): operation="open" pid=19695 parent=1
> profile="libvirt-629433c8-3714-561b-8e91-4a8a9bb65b9f"
> requested_mask="r::" denied_mask="r::" fsuid=0 ouid=0
> name="/sys/devices/pci0000:00/0000:00:05.0/0000:02:00.0/usb8/devnum"
>
> I am now left with messages in the VM log file as follows which I
> cannot find a solution for:
>
> char device redirected to /dev/pts/5
> usb_create: no bus specified, using "usb.0" for "usb-host"
> husb: open device 1.4
> /dev/bus/usb/001/004: Operation not permitted
> husb: open device 1.4
> /dev/bus/usb/001/004: Operation not permitted
> husb: open device 1.4
>
>
> This is a fairly basic requirement and hopefully a solution already exists.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 10.04
> Package: kvm 1:84+dfsg-0ubuntu16+0.12.3+noroms+0ubuntu9.6
> ProcVersionSignature: Ubuntu 2.6.32-31.61-server 2.6.32.32+drm33.14
> Uname: Linux 2.6.32-31-server x86_64
> NonfreeKernelModules: fglrx
> Architecture: amd64
> Date: Mon May 23 17:33:39 2011
> InstallationMedia: Ubuntu-Server 10.04 LTS "Lucid Lynx" - Release amd64 (20100427)
> KvmCmdLine:
> UID PID PPID C SZ RSS PSR STIME TTY TIME CMD
> root 3604 1 25 188376 364400 1 15:55 ? 00:24:30 /usr/bin/kvm -S -M pc-0.12 -enable-kvm -m 512 -smp 2,cores=2 -name Trixbox2.8 -uuid c19e7ccd-6a2d-35b0-5e0a-e9832434c517 -chardev socket,id=monitor,path=/var/lib/libvirt/qemu/Trixbox2.8.monitor,server,nowait -monitor chardev:monitor -boot c -drive file=/var/lib/libvirt/images/Trixbox2.8.img,if=virtio,index=0,boot=on,format=raw -drive if=ide,media=cdrom,index=2,format=raw -net nic,macaddr=52:54:00:45:84:af,vlan=0,model=virtio,name=virtio.0 -net tap,fd=48,vlan=0,name=tap.0 -chardev pty,id=serial0 -serial chardev:serial0 -parallel none -usb -vnc 127.0.0.1:0 -vga cirrus
> root 5355 1 9 249533 283612 5 16:16 ? 00:07:42 /usr/bin/kvm -S -M pc-0.12 -enable-kvm -m 769 -smp 2 -name MediaServer -uuid b38159a1-5ee5-b792-e110-c270f30f6925 -chardev socket,id=monitor,path=/var/lib/libvirt/qemu/MediaServer.monitor,server,nowait -monitor chardev:monitor -boot c -drive file=/var/lib/libvirt/images/MediaServer.img,if=virtio,index=0,boot=on,format=raw -drive if=ide,media=cdrom,index=2,format=raw -net nic,macaddr=52:54:00:54:df:b7,vlan=0,model=virtio,name=virtio.0 -net tap,fd=49,vlan=0,name=tap.0 -chardev pty,id=serial0 -serial chardev:serial0 -parallel none -usb -usbdevice tablet -vnc 127.0.0.1:1 -vga cirrus
> root 5392 1 18 600048 2095120 4 16:16 ? 00:14:01 /usr/bin/kvm -S -M pc-0.12 -enable-kvm -m 2048 -smp 4,cores=2 -name hamlet -uuid 1f04fb04-dc50-c259-70af-8124cf9f6022 -chardev socket,id=monitor,path=/var/lib/libvirt/qemu/hamlet.monitor,server,nowait -monitor chardev:monitor -localtime -boot c -drive if=ide,media=cdrom,index=2,format=raw -drive file=/dev/vmserver_vg1/hamlet,if=virtio,index=0,boot=on,format=raw,cache=none -net nic,macaddr=52:54:00:6f:66:2c,vlan=0,model=virtio,name=virtio.0 -net tap,fd=50,vlan=0,name=tap.0 -chardev pty,id=serial0 -serial chardev:serial0 -parallel none -usb -usbdevice tablet -vnc 127.0.0.1:2 -vga cirrus -soundhw ac97
> root 5494 1 13 321228 431924 3 16:17 ? 00:10:08 /usr/bin/kvm -S -M pc-0.12 -enable-kvm -m 1024 -smp 4 -name Scientific -uuid 9463aae5-6fdb-0c67-72dc-98dd50de1984 -chardev socket,id=monitor,path=/var/lib/libvirt/qemu/Scientific.monitor,server,nowait -monitor chardev:monitor -boot c -drive file=/var/lib/libvirt/images/Scientific.img,if=virtio,index=0,boot=on,format=raw,cache=none -drive if=ide,media=cdrom,index=2,format=raw -net nic,macaddr=52:54:00:6e:b8:bf,vlan=0,model=virtio,name=virtio.0 -net tap,fd=51,vlan=0,name=tap.0 -chardev pty,id=serial0 -serial chardev:serial0 -parallel none -usb -usbdevice tablet -vnc 127.0.0.1:3 -vga cirrus -soundhw ac97
> MachineType: Gigabyte Technology Co., Ltd. GA-890GPA-UD3H
> ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-31-server root=/dev/mapper/hostname_vg1-root ro quiet
> ProcEnviron:
> LANG=en_GB.utf8
> SHELL=/bin/bash
> SourcePackage: qemu-kvm
> dmi.bios.date: 05/17/2010
> dmi.bios.vendor: Award Software International, Inc.
> dmi.bios.version: FB
> dmi.board.name: GA-890GPA-UD3H
> dmi.board.vendor: Gigabyte Technology Co., Ltd.
> dmi.board.version: x.x
> dmi.chassis.type: 3
> dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
> dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrFB:bd05/17/2010:svnGigabyteTechnologyCo.,Ltd.:pnGA-890GPA-UD3H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-890GPA-UD3H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
> dmi.product.name: GA-890GPA-UD3H
> dmi.sys.vendor: Gigabyte Technology Co., Ltd.
>
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Title:
Unable to use USB device in KVM quest
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