Re: [Condor-users] Condor and KVM: cannot connect to qemu:///session

["Timothy St. Clair" <tstclair@xxxxxxxxxx>]

what version of libvirt are you using?  

Cheers,
Tim

On Tue, 2010-12-07 at 16:36 -0500, Ryan Jansen wrote:
> Hi everyone,
> 
> I'm having a problem getting Condor to start up a KVM virtual machine
> in Condor. I posted an email before, and with advice from a few
> people, I was able to sort out my KVM problems. But now, whenever I
> run a vm universe job, the condor_vm-gahp fails with the following
> error:
> 
> 12/07 16:18:12 ** condor_vm-gahp (CONDOR_VM_GAHP) STARTING UP
> 12/07 16:18:12
> ** /afs/nd.edu/user37/condor/software/versions/amd64-redhat5/condor-7.4.2-dynamic/sbin/condor_vm-gahp
> 12/07 16:18:12 ** SubsystemInfo: name=VM_GAHP type=GAHP(9)
> class=DAEMON(1)
> 12/07 16:18:12 ** Configuration: subsystem:VM_GAHP local:<NONE>
> class:DAEMON
> 12/07 16:18:12 ** $CondorVersion: 7.4.2 Mar 29 2010 BuildID: 227044 $
> 12/07 16:18:12 ** $CondorPlatform: X86_64-LINUX_RHEL5 $
> 12/07 16:18:12 ** PID = 13583
> 12/07 16:18:12 ** Log last touched 12/7 16:18:10
> 12/07 16:18:12 ******************************************************
> 12/07 16:18:12 Using config
> source: /afs/nd.edu/user37/condor/condor_config
> 12/07 16:18:12 Using local config sources: 
> 12/07
> 16:18:12    /afs/nd.edu/user37/condor/software/config/machines/dqcneh100.local
> 12/07 16:18:12 DaemonCore: Command Socket at <10.32.72.74:9118>
> 12/07 16:18:12 VMGAHP[13583]: VM-GAHP initialized with run-mode 3
> 12/07 16:18:12 VMGAHP[13583]: Initial UID/GUID=0/0,
> EUID/EGUID=126019/1313, Condor UID/GID=108172,40
> 12/07 16:18:12 VMGAHP[13583]: Initialize Uids: caller=root, job
> user=rjansen
> 12/07 16:18:18 ERROR "Failed to create libvirt connection: could not
> connect to qemu:///session" at line 989 in file xen_type.cpp
> 
> Now, I have adjusted /etc/libvirt/libvirt.conf to allow the libvirt
> group to access the libvirt rw socket, and I added the users root,
> rjansen, and condor to that group.
> 
> Additionally, I can connect just fine (as root and rjansen) to
> qemu:///session, through virsh, and through the libvirt C library
> using example code from the qemu website. In fact, the code I use to
> connect to the library in the example program is essentially the same
> as the code on line 989 in xen_type.cpp, which is failing.
> 
> I'm not sure if I'm doing something wrong with Condor or something
> wrong with KVM/libvirt, but I'd like to get this working.
> 
> Does anyone have any ideas on how to fix this problem?
> 
> Thanks,
> Ryan
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