Quoting Shibashish ([email protected]): > I had 3 VMs running on my host, the second vm crashed. I rebooted the host > after which I am not able start any lxc container. When I start the lxc > virtual host, it says... > > *lxc-start: Error creating cgroups* > *lxc-start: failed to spawn 'myhostvm1'* > > [root@ myhost ~]# uname -a > Linux myhost 2.6.32-431.3.1.el6.x86_64 #1 SMP Fri Jan 3 21:39:27 UTC 2014 > x86_64 x86_64 x86_64 GNU/Linux > > [root@ myhost ~]# cat /etc/redhat-release > CentOS release 6.5 (Final) > > [root@myhost ~]# cat /proc/mounts | grep cgroup > none /cgroup cgroup > rw,relatime,net_prio,perf_event,blkio,net_cls,freezer,devices,memory,cpuacct,cpu,ns,cpuset > 0 0 > > [root@ myhost ~]# mount | grep cgroup > none on /cgroup type cgroup (rw) > > Strace output... > munmap(0x7f6910596000, 4096) = 0 > access("/cgroup/lxc/myhostvm1", F_OK) = -1 ENOENT (No such file or > directory) > mkdir("/cgroup/lxc/myhost vm1", 0755) = -1 EINVAL (Invalid argument) > write(3, " lxc-start 1390924308.607 E"..., 76) = 76
You didn't tell us which lxc version you are running. There was a period of time where ns cgroup support was missing. If you switch to a newer package it should be fixed. Alternatively, make sure that the ns nscgroup is not mounted. -serge _______________________________________________ lxc-users mailing list [email protected] http://lists.linuxcontainers.org/listinfo/lxc-users
