On Tue, Aug 11, 2009 at 6:00 PM, Daniel P. Berrange<berrange@xxxxxxxxxx> wrote: > On Tue, Aug 11, 2009 at 10:03:32AM +0900, Jun Koi wrote: >> Hi, >> >> The libvirt 0.7 has a following error when i start libvirtd: >> >> warning : qemudStartup:521 : Unable to create cgroup for driver: No >> such device or address > > That is not an error, it is a expected warning if you don't have any > cgroups mount. It is designed to continue working > Could you explain what is that cgroups mount, and why I need that?? The fact is that I never had this problem before (with older git version) >> Then it fails to start. >> >> How can I fix this? > > You'll need to provide more information than this. What exactly fails > to start ? The entire daemon, just the QEMU driver, or something else ? > Does it exit, does it crash ? Get a debug log when it fails, etc When I run "libvirtd -v", it simply reports error like: "warning : qemudStartup:521 : Unable to create cgroup for driver: No such device or address Segmentation fault" Thanks, J -- Libvir-list mailing list Libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list