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

2012/7/5 xuejie chen <xuejiechen52(a)gmail.com&gt;: > Hi, > > > 2012/7/4 Martin Kletzander <mkletzan(a)redhat.com&gt;: >> On 07/04/2012 02:36 PM, Andrew Cathrow wrote: >>> >>> >>> ----- Original 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 >>> >>> Is the cgroupfs mounted? >>> >> >> I checked and libvirt should complain if it is not mounted. But to be >> sure, is it? > I do not know how to check it. > where the cgroupfs should be mounted to? > I have confirmed the cgroupfs did not mounted.