Build failed in Jenkins: sru_kernel-precise-12.04.1-generic_amd64-kvm-virtual #4

[Jenkins Notification]

See <http://10.189.74.2:8080/job/sru_kernel-precise-12.04.1-generic_amd64-kvm-virtual/4/>

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Started by upstream project "sru-kernel-12.04.1-precise-vm" build number 2
Started by upstream project "sru-kernel-12.04.1-precise-vm" build number 2
[EnvInject] - Loading node environment variables.
Building remotely on alderamin
[locks-and-latches] Checking to see if we really have the locks
[locks-and-latches] Have all the locks, build can start
[sru_kernel-precise-12.04.1-generic_amd64-kvm-virtual] $ /bin/bash -x /tmp/hudson3533233258419525604.sh
+ SRUHOME=/var/lib/ubuntu-iso-testing/kernel-sru
+ bzr pull -d /var/lib/ubuntu-iso-testing/kernel-sru/branches/tests
Unable to obtain lock file:///var/lib/ubuntu-iso-testing/kernel-sru/branches/tests/ held by usit on alderamin (process #5561), acquired 0 seconds ago.
Will continue to try until 18:10:18, unless you press Ctrl-C.
See "bzr help break-lock" for more.
Using saved parent location: http://bazaar.launchpad.net/~hggdh2/ue-qa-kernel-tests-infrastructure/trunk/
No revisions or tags to pull.
+ '[' -z '' ']'
+ bash -x /var/lib/ubuntu-iso-testing/kernel-sru/branches/tests/kernel-sru/jenkins-script-virtual-kteam.sh -s /var/lib/ubuntu-iso-testing/kernel-sru -r precise-12.04.1 -t virtual -w <http://10.189.74.2:8080/job/sru_kernel-precise-12.04.1-generic_amd64-kvm-virtual/ws/> -v generic-amd64 -p i386 -c 10.189.74.2
+ set +x
Step1 to run on clean-precise-12.04.1-generic-amd64
qemu-img: Could not open '/var/lib/ubuntu-iso-testing/kernel-sru/clean-precise-12.04.1-generic-amd64/disk0.pristine.qcow2'
FAIL QEMU snapshot creation failed

+ exit 1
Build step 'Execute shell' marked build as failure
[locks-and-latches] Releasing all the locks
[locks-and-latches] All the locks released
Archiving artifacts
Recording test results
Description set: