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

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