All concerned participants: Was there any further update on this problem? I'd like to know if we (I) should be updating the templates for either this aa_profile thing or for the mount sets.
Regards, Mike On Fri, 2014-05-30 at 01:00 +0200, Christian Seiler wrote: > Hi, > > > # lxc-attach -n f20 -- mount | grep cgroup > > cgroup on /sys/fs/cgroup type tmpfs (rw,relatime,size=12k,mode=755) > > none on /sys/fs/cgroup/cgmanager type tmpfs (rw,relatime,size=4k,mode=755) > > tmpfs on /sys/fs/cgroup type tmpfs (rw,nosuid,nodev,noexec,mode=755) > > :-( This appears to be a rather nasty bug... > > > lxc does read the file /etc/lxc/lxc.conf that I created, verfied by > > the fact that lxc.cgroup.pattern works correctly. It does not, > > however, create the directory /sys/fs/cgroup/systemd/lxc-all/f20 > > (which, if I understand correctly, it should, since I use > > lxc.cgroup.use = @all) > > > > # ls -d /sys/fs/cgroup/*/lxc-all/f20 > > /sys/fs/cgroup/blkio/lxc-all/f20 /sys/fs/cgroup/cpuset/lxc-all/f20 > > /sys/fs/cgroup/hugetlb/lxc-all/f20 > > /sys/fs/cgroup/cpuacct/lxc-all/f20 /sys/fs/cgroup/devices/lxc-all/f20 > > /sys/fs/cgroup/memory/lxc-all/f20 > > /sys/fs/cgroup/cpu/lxc-all/f20 /sys/fs/cgroup/freezer/lxc-all/f20 > > /sys/fs/cgroup/perf_event/lxc-all/f20 > > > > # mount | grep cgroup > > none on /sys/fs/cgroup type tmpfs (rw,relatime,size=4k,mode=755) > > cgroup on /sys/fs/cgroup/cpuset type cgroup > > (rw,relatime,cpuset,release_agent=/run/cgmanager/agents/cgm-release-agent.cpuset,clone_children) > > cgroup on /sys/fs/cgroup/cpu type cgroup > > (rw,relatime,cpu,release_agent=/run/cgmanager/agents/cgm-release-agent.cpu) > > cgroup on /sys/fs/cgroup/cpuacct type cgroup > > (rw,relatime,cpuacct,release_agent=/run/cgmanager/agents/cgm-release-agent.cpuacct) > > cgroup on /sys/fs/cgroup/memory type cgroup > > (rw,relatime,memory,release_agent=/run/cgmanager/agents/cgm-release-agent.memory) > > cgroup on /sys/fs/cgroup/devices type cgroup > > (rw,relatime,devices,release_agent=/run/cgmanager/agents/cgm-release-agent.devices) > > cgroup on /sys/fs/cgroup/freezer type cgroup > > (rw,relatime,freezer,release_agent=/run/cgmanager/agents/cgm-release-agent.freezer) > > cgroup on /sys/fs/cgroup/blkio type cgroup > > (rw,relatime,blkio,release_agent=/run/cgmanager/agents/cgm-release-agent.blkio) > > cgroup on /sys/fs/cgroup/perf_event type cgroup > > (rw,relatime,perf_event,release_agent=/run/cgmanager/agents/cgm-release-agent.perf_event) > > cgroup on /sys/fs/cgroup/hugetlb type cgroup > > (rw,relatime,hugetlb,release_agent=/run/cgmanager/agents/cgm-release-agent.hugetlb) > > systemd on /sys/fs/cgroup/systemd type cgroup > > (rw,nosuid,nodev,noexec,relatime,release_agent=/run/cgmanager/agents/cgm-release-agent.systemd,name=systemd) > > Hmm, are you running cgmanager at the same time as systemd? I think this > might be a problem with the intersection of cgmanager with the cgroup > mounting code, i.e. the cgroup mounting code uses the cgfs stuff (which > was originally just cgroup before Serge implemented multiple drivers) > while the "put the container into cgroup" code uses cgmanager, which may > have some weird side effect in this case. I have to confess that so far > I haven't tried cgmanager myself (it's on my todo list), so I never > tested the interaction between Serge's cgmanager code and my cgroup > mounting code... > > If you are running cgmanager, could you try the same while cgmanager > being stopped? Then LXC should fall back to the cgfs code, which > *should* work in this case, unless something else broke this logic. > > Anyway, I'll have a chance to look at this more closely on Saturday (I'm > busy with other things tomorrow). > > Regards, > Christian -- Michael H. Warfield (AI4NB) | (770) 978-7061 | 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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