On Sun, 2011-07-03 at 19:24 +0100, jonathan essex wrote: > I seem to be having this same issue in a Scientific Linux 6.0 (RHEL 6 > clone) installation with lxc-0.7.4.1 > > lxc-checkconfig seems to think everything is OK, but when I try to > lxc-start a container I've created, I get this error message: > > lxc-start: no ns_cgroup option specified > lxc-start: failed to spawn 'centos-test' > lxc-start: No such file or directory - failed to remove cgroup > '/cgroup/cpuset/centos-test'
This sounds like my "failed" case in testing with libcgroup enabled. The fact that it's mounted on /cgroup and not /sys/fs/cgroup does not bode well all all. 1) uname -a 2) chkconfig cgconfig You probably need to add a line to your /etc/fstab long the lines of this: cgroup /sys/fs/cgroup cgroup defaults 0 0 Then run the commands: chkconfig cgconfig off chkconfig cgred off The reboot (I have NOT had luck manually unmounting those cgroups and remounting as a single mount point). If I understand Serge's comments correctly, we can not get the multipoint mounts to work even with the patched and updated lxc package due to the lack of "clone_children" in that kernel, so you need to switch a single mount-point mount to get lxc to work. Then you don't even need the multipoint patches to get it to work though you may have tweaks to make. > Is this the problem under discussion? I'm new to lxc, so quite > possible I'm just misunderstanding something. > Happy to test the patch if someone will outline how to get it/apply > it. (Aware that this is probably a tedious newbie type question, but > asking anyway) Serge or Daniel may correct me but I'm under the impression that it will not work on that kernel, depending on the rev you report back, for RHEL 6 / SL6. > Cheers > Jon Regards, Mike -- Michael H. Warfield (AI4NB) | (770) 985-6132 | m...@wittsend.com /\/\|=mhw=|\/\/ | (678) 463-0932 | http://www.wittsend.com/mhw/ NIC whois: MHW9 | An optimist believes we live in the best of all PGP Key: 0x674627FF | possible worlds. A pessimist is sure of it!
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