[libvirt-users] monitor socket did not show up.: No such file or directory

[vipul borikar]

I am using a Nimbus Cloud Middleware which in turn use Python libvirt
binding to start VM's.
Hypervisor is KVM.

# virsh -c qemu:///system version
Compiled against library: libvir 0.8.7
Using library: libvir 0.8.7
Using API: QEMU 0.8.7
Running hypervisor: QEMU 0.12.1

Some time i get the error in the Nimbus Logs it says :

UnexpectedError: Problem creating the VM: monitor socket did not show up.:
No such file or directory

I googled but this particular not able to find.

I checked the /var/log/libvirt/qemu/wrksp-427.log

2012-05-23 10:09:13.494: starting up
LC_ALL=C PATH=/sbin:/usr/sbin:/bin:/usr/bin HOME=/root USER=root
LOGNAME=root QEMU_AUDIO_DRV=none /usr/libexec/qemu-kvm -S -M rhel6.1.0
-enable-kvm -m 2024 -smp 2,sockets=2,cores=1,threads=1 -name wrksp-427
-uuid e8c5c171-392c-02e4-b43c-b0b4279e55c5 -nodefconfig -nodefaults
-chardev
socket,id=charmonitor,path=/var/lib/libvirt/qemu/wrksp-427.monitor,server,nowait
-mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -boot c
-drive file=/VM/Nimbus/secureimages/wrksp-427/
param-vm.cdacb.in/cloud/5f4f0dcd//RHEL5.5_64bit_MPI,if=none,id=drive-ide0-0-0,format=raw-device
ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 -netdev
tap,fd=24,id=hostnet0 -device
rtl8139,netdev=hostnet0,id=net0,mac=a2:aa:bb:2e:d6:58,bus=pci.0,addr=0x3
-usb -vnc 127.0.0.1:22 -vga cirrus -device
virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4
10:09:13.512: 14116: info : libvirt version: 0.8.7, package: 18.el6 (Red
Hat, Inc. <http://bugzilla.redhat.com/bugzilla>, 2011-04-18-10:28:30,
x86-008.build.bos.redhat.com)
10:09:13.512: 14116: debug : virCgroupNew:566 : New group
/libvirt/qemu/wrksp-427
10:09:13.513: 14116: debug : virCgroupDetect:245 : Detected mount/mapping
0:cpu at /cgroup/cpu in
10:09:13.513: 14116: debug : virCgroupDetect:245 : Detected mount/mapping
1:cpuacct at /cgroup/cpuacct in

10:09:13.513: 14116: debug : virCgroupDetect:245 : Detected mount/mapping
2:cpuset at /cgroup/cpuset in
10:09:13.513: 14116: debug : virCgroupDetect:245 : Detected mount/mapping
3:memory at /cgroup/memory in
10:09:13.513: 14116: debug : virCgroupDetect:245 : Detected mount/mapping
4:devices at /cgroup/devices in
10:09:13.513: 14116: debug : virCgroupDetect:245 : Detected mount/mapping
5:freezer at /cgroup/freezer in
10:09:13.513: 14116: debug : virCgroupDetect:245 : Detected mount/mapping
6:blkio at /cgroup/blkio in
10:09:13.513: 14116: debug : virCgroupMakeGroup:497 : Make group
/libvirt/qemu/wrksp-427
10:09:13.513: 14116: debug : virCgroupMakeGroup:509 : Make controller
/cgroup/cpu/libvirt/qemu/wrksp-427/
10:09:13.513: 14116: debug : virCgroupMakeGroup:509 : Make controller
/cgroup/cpuacct/libvirt/qemu/wrksp-427/
10:09:13.514: 14116: debug : virCgroupMakeGroup:509 : Make controller
/cgroup/cpuset/libvirt/qemu/wrksp-427/
10:09:13.514: 14116: debug : virCgroupMakeGroup:509 : Make controller
/cgroup/memory/libvirt/qemu/wrksp-427/
10:09:13.514: 14116: debug : virCgroupSetValueStr:290 : Set value
'/cgroup/cpu/libvirt/qemu/wrksp-427/tasks' to '14116'
10:09:13.714: 14116: debug : virCgroupSetValueStr:290 : Set value
'/cgroup/cpuacct/libvirt/qemu/wrksp-427/tasks' to '14116'
10:09:14.467: 14116: debug : virCgroupSetValueStr:290 : Set value
'/cgroup/cpuset/libvirt/qemu/wrksp-427/tasks' to '14116'
10:09:15.467: 14116: debug : virCgroupSetValueStr:290 : Set value
'/cgroup/memory/libvirt/qemu/wrksp-427/tasks' to '14116'
2012-05-23 10:09:16.537: shutting down


There is no suspect in the log file.

Any Ideas???

-- 
Thanks

Vipul Borikar
"Our task must be to free ourselves...by widening our circle of compassion
to embrace all living creatures and the whole of nature and its beauty."
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