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Re: [libvirt-users] VM dies with error regarding "virConnectNumOfInterfaces"



On 07/23/2012 05:59 AM, Helga Velroyen wrote:
> Hi!
>
> thanks for your mail! See my answers inline.
>
>     > I ran into a problem using a USB device and was wondering if
>     > you could help me.
>     >
>     > I'm running a Win XP SP3 in a VM with libvirt on a Xubuntu 11.10.
>     > I configured it to talk to several USB devices.
>     >
>     > With one particular device (a Phonak Compilot[1], admittedly a
>     probably
>     > rather unusual device), the VM dies with the following error in the
>     > libvirtd.log:
>     >
>     > 2012-07-20 21:04:19.591+0000: 1282: error :
>     > virConnectNumOfInterfaces:9803 : this function is not supported
>     by the
>     > connection driver: virConnectNumOfInterfaces
>
>     This message is guaranteed unrelated to your guest dying. It means
>     that
>     some management program (for example virt-manager) is trying out the
>     "virInterface" part of libvirt's API, and discovering that your
>     platform
>     does not support that part of the API. the virInterface functions deal
>     with configuring and reporting the status of the host's network
>     devices
>     (physical ethernets, bridges, bonds), are only supported on platforms
>     that have the "netcf" library, and are optional. Ubuntu is only
>     just now
>     getting netcf support into their distro, do Xubuntu 11.10 will
>     certainly
>     not have it.
>
>     TL;DR ignore the error about virConnectNumOfInterfaces.
>
>  
> Okay, thanks for the explanation! I appreciate it.
>
>
>     > 2012-07-20 21:05:05.762+0000: 1276: error : qemuMonitorIO:603 :
>     internal
>     > error End of file from monitor
>
>     This just means that the qemu process terminated abruptly. If you look
>     in /var/log/libvirt/qemu/${guestname}.log, you may find a more
>     specific
>     error message issued by qemu itself.
>
>
> Okay, I did that and here is the full log of my try to start it up:
>
> 2012-07-23 09:30:37.761+0000: starting up
> LC_ALL=C
> PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin
> QEMU_AUDIO_DRV=none /usr/bin/kvm -S -M pc-1.0 -enable-kvm -m 2048 -smp
> 2,sockets=2,cores=1,threads=1 -name toddler -uuid
> 1e9ada35-5681-5060-476e-7a9e615fcb5c -nodefconfig -nodefaults -chardev
> socket,id=charmonitor,path=/var/lib/libvirt/qemu/toddler.monitor,server,nowait
> -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime
> -no-shutdown -drive
> file=/media/frog/vms/toddler_storage.img,if=none,id=drive-ide0-0-0,format=qcow2
> -device
> ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=1 -drive
> if=none,media=cdrom,id=drive-ide0-0-1,readonly=on,format=raw -device
> ide-drive,bus=ide.0,unit=1,drive=drive-ide0-0-1,id=ide0-0-1 -drive
> if=none,media=cdrom,id=drive-ide0-1-0,readonly=on,format=raw -device
> ide-drive,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0 -netdev
> tap,fd=19,id=hostnet0 -device
> rtl8139,netdev=hostnet0,id=net0,mac=52:54:00:49:f6:46,bus=pci.0,addr=0x3
> -chardev pty,id=charserial0 -device
> isa-serial,chardev=charserial0,id=serial0 -usb -device
> usb-tablet,id=input0 -vnc 127.0.0.1:0 <http://127.0.0.1:0> -vga std
> -device intel-hda,id=sound0,bus=pci.0,addr=0x4 -device
> hda-duplex,id=sound0-codec0,bus=sound0.0,cad=0 -device
> usb-host,hostbus=1,hostaddr=3,id=hostdev0 -device
> usb-host,hostbus=1,hostaddr=4,id=hostdev1 -device
> virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5
> char device redirected to /dev/pts/4
> kvm: usb-linux.c:1211: usb_linux_update_endp_table: Assertion
> `epd->type == 255' failed.

This is some internal problem in qemu-1.0. You'll need to ask about it
on a qemu mailing list or irc channel - the commandline and error above,
along with telling them your exact version of qemu should be enough to
get them going. (I looked it up in the source and one thing I can tell
you is that the *entire file* containing this assertion ("assert
edp->type == INVALID_EP_TYPE") was removed between qemu-1.0 and
qemu-1.1. It may be that the simplest way to eliminate the problem is to
get a build of qemu-1.1)




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