[node-patches] Build failed in Jenkins: ovirt-node-iso-fedora-next #50

[Jenkins oVirt Server]

See <http://jenkins.ovirt.org/job/ovirt-node-iso-fedora-next/50/>

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Started by timer
Building remotely on fedora18-slave-vm01 in workspace <http://jenkins.ovirt.org/job/ovirt-node-iso-fedora-next/ws/>
Checkout:ovirt-node-iso-fedora-next / <http://jenkins.ovirt.org/job/ovirt-node-iso-fedora-next/ws/> - hudson.remoting.Channel at 299966f0:fedora18-slave-vm01
Using strategy: Default
Last Built Revision: Revision 8a57694199849adf9d8a3502e77c40630121891f (origin/master)
Fetching changes from 1 remote Git repository
Fetching upstream changes from http://gerrit.ovirt.org/p/ovirt-node-iso.git
Commencing build of Revision 8a57694199849adf9d8a3502e77c40630121891f (origin/master)
Checking out Revision 8a57694199849adf9d8a3502e77c40630121891f (origin/master)
FATAL: Could not checkout null with start point 8a57694199849adf9d8a3502e77c40630121891f
hudson.plugins.git.GitException: Could not checkout null with start point 8a57694199849adf9d8a3502e77c40630121891f
	at hudson.plugins.git.GitAPI.checkoutBranch(GitAPI.java:990)
	at hudson.plugins.git.GitSCM$4.invoke(GitSCM.java:1251)
	at hudson.plugins.git.GitSCM$4.invoke(GitSCM.java:1231)
	at hudson.FilePath$FileCallableWrapper.call(FilePath.java:2236)
	at hudson.remoting.UserRequest.perform(UserRequest.java:118)
	at hudson.remoting.UserRequest.perform(UserRequest.java:48)
	at hudson.remoting.Request$2.run(Request.java:326)
	at hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
	at java.util.concurrent.FutureTask.run(FutureTask.java:166)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:722)
Caused by: hudson.plugins.git.GitException: Command "/usr/bin/git checkout -f 8a57694199849adf9d8a3502e77c40630121891f" returned status code 128:
stdout: 
stderr: fatal: unable to write new index file

	at hudson.plugins.git.GitAPI.launchCommandIn(GitAPI.java:897)
	at hudson.plugins.git.GitAPI.launchCommand(GitAPI.java:858)
	at hudson.plugins.git.GitAPI.launchCommand(GitAPI.java:868)
	at hudson.plugins.git.GitAPI.checkoutBranch(GitAPI.java:977)
	... 12 more