Re: [libvirt] Cannot enumerate physical devices with libvirt 0.7.6

have four on my test system, which I just installed. How did you install the box, install F12, then what? Just to rule this out, did you rebuild the RPM?

On 02/16/2010 03:04 PM, Frédéric Grelot wrote: > Yep, here is what I get (see at the end) : >

> > I think the times when I get those lines matches with my "virsh nodedev-list" requests (or something like this : virt-manager tries to create a vm, add hardware...). > > Does this help? That's odd, you only have two entries in the node driver array, and I have four on my test system, which I just installed. How did you install the box, install F12, then what? Just to rule this out, did you rebuild the RPM? > Frederic. > > > ----- "Dave Allan"<dallan(a)redhat.com> a écrit : > >> On 02/16/2010 03:00 AM, Frédéric Grelot wrote: >>>> Daniel was referring to the libvirt udev driver--the libvirt code >> that >>>> >>>> interacts with udev--not to udev itself, which is what you're >> testing >>>> >>>> with udevadm. >>> >>> Ok, sorry... At least I ensured that udev itself is on... >>> >>>> In any of your logs when you have libvirt debug logging >>>> turned on, do you see the message: >>>> >>>> Registering udev node device backend >>> >>> Nope, I checked in /var/log/* and libvirt.log in debug mode (which, >> after 1 1/2 day of "debug" activity enabled, is already 2Gb!) >>> There is no mention of udev. I think it means that the udev driver >> is not loaded in libvirt? How could enable it then? (or produce some >> message telling me why it is not) ? >>> >>> >>>> These messages are the result of not being able to find the >> device, >>>> which is consistent with the other things you're seeing. These >> are >>>> all symptoms of the node device code not running. >>> >>> OK, I'll wait for your suggestions... >> >> Do you see messages like: >> >> >> 14:35:01.849: debug : do_open:1205 : node driver 0 Test returned >> DECLINED >> 14:35:01.849: debug : do_open:1205 : node driver 1 ESX returned >> DECLINED >> 14:35:01.849: debug : do_open:1205 : node driver 2 remote returned >> DECLINED >> 14:35:01.849: debug : do_open:1205 : node driver 3 udevDeviceMonitor >> returned SUCCESS >> >> in your debug log? >> >> >>> Frederic. >>> >>> >>>> >>>>> Have you any other Idea? >>>>> Frederic. >>>>> >>>>> >>>>> ----- "Daniel P. Berrange"<berrange(a)redhat.com> a écrit : >>>>> >>>>>> On Fri, Feb 12, 2010 at 08:05:21PM +0100, Fr?d?ric Grelot wrote: >>>>>>> Hi all, >>>>>>> >>>>>>> I often update my F12 box with the rawvirt repository, which >>>>>>> just >>>>>> installed libvirt 0.7.6. Since that, I cannot enumerate physical >>>>>> devices (and thus get a beautiful error when I start one of my >> vms >>>>>> that should use a USB device). >>>>>>> >>>>>>> I don't think I changed anything else on that box, and, of >>>>>>> course, I >>>>>> already restarted the libvirt daemon. >>>>>>> I haven't restarted the server itself, because it is currently >>>>>>> used, >>>>>> but I could do it if necessary... >>>>>>> >>>>>>> I make good use of the qemu hypervisor, and I'm looking forward >>>>>>> to >>>>>> solve this issue! >>>>>>> >>>>>>> Frederic. >>>>>>> >>>>>>> # libvirtd --version libvirtd (libvirt) 0.7.6 >>>>>>> >>>>>>> # virsh --version 0.7.6 >>>>>>> >>>>>>> # virsh nodedev-list error :Failed to count node devices error >>>>>>> :this function is not supported by the hypervisor: >>>>>> virNodeNumOfDevices >>>>>> >>>>>> It would appear that the udev driver failed to start - there are >>>>>> probably messages in syslog about the problem >>>>>> >>>>>> >>>>>> Regards, Daniel -- |: Red Hat, Engineering, London -o- >>>>>> http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- >>>>>> http://virt-manager.org -o- http://ovirt.org :| |: >>>>>> http://autobuild.org -o- http://search.cpan.org/~danberr/ >> :| >>>>>> |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 >>>>>> 7D3B 9505 :| >>>>> >>>>> -- libvir-list mailing list libvir-list(a)redhat.com >>>>> https://www.redhat.com/mailman/listinfo/libvir-list >>> >>> -- >>> libvir-list mailing list >>> libvir-list(a)redhat.com >>> https://www.redhat.com/mailman/listinfo/libvir-list > > -- > libvir-list mailing list > libvir-list(a)redhat.com > https://www.redhat.com/mailman/listinfo/libvir-list