Re: [Users] Unable to run VM with "Unable to create cgroup" error message

From: "Martin Kletzander" <mkletzan(a)redhat.com&gt; To: "xuejie chen" <xuejiechen52(a)gmail.com&gt; Cc: users(a)ovirt.org Sent: Wednesday, July 4, 2012 4:12:07 AM Subject: Re: [Users] Unable to run VM with "Unable to create cgroup" error message Hi, the only problem I could imagine is that there is really some directory missing, but you said it is there. Fromt his point I see two things you can try: 1) run libvirt with debugging output enabled [1] 2) try to create the directories manually

Hopefully it'll give us more information on what's wrong. Martin On 07/03/2012 11:55 AM, xuejie chen wrote: > Hi everyone, > > I created a Desktop VM1 with all default settings and added a 2G > Disk > to the VM1 in WebAdmin. > But when I run the vm, it returns failure with the follow error > message in WebAdmin. > "VM VM1 is down. Exit message: Unable to create cgroup for VM1" > > My DateCenter contains one host(with OS is CentOS 6, VDSM version > is > 4.9.6 and libvirt version is 0.9.4) and one NFS domain. > And The cgroup Directory have already exits on the host. > But why cannot I run the VM1? > > There are some error message in VDSM log > -------- > File "/usr/lib64/python2.6/site-packages/libvirt.py", line 2087, in > createXML > if ret is None: raise libvirtError('virDomainCreateXML() > failed', conn=self) > libvirtError: Unable to create cgroup for VM1: No such file or > directory > ---------- > > There are some error message in libvirt log > --------- > error : virNetClientProgramDispatchError:170 : Unable to create > cgroup > for VM1: No such file or directory" > --------- > > There are log files in attachment > > > Best wishes, > Xuejie Chen > > > > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > _______________________________________________ Users mailing list Users(a)ovirt.org http://lists.ovirt.org/mailman/listinfo/users