I had to remove cgroup-lite and install cgroup-bin in order to avoid
this error. cgroup-lite was not mounting /sys/fs/cgroup which lxc-
execute required. Once I installed cgroup-bin and invoked
/etc/init.d/cgconfig everything worked fine on my 12.04.3 LTS
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Ah, are you running a saucy or trusty backport kernel?
the precise cgroup-lite still is 'start on mounted MOUNTPOINT=/sys',
whereas later it had to become 'MOUNTPOINT=/sys/fs/cgroup',
It sounds like we need to update the precise job to handle both cases.
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Filed bug 1304538 for the cgroup-lite bug.
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https://bugs.launchpad.net/bugs/936756
Title:
lxc complains about cgroup not available
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kernel 3.2.0-30-generic
cgroup-bin 0.37.1-1ubuntu10
After boot cgroup fs is mounted onto /sys/fs/cgroup
# df | grep cgroup
cgroups 4088656 0 4088656 0% /sys/fs/cgroup
# mount | grep cgroup
cgroups on /sys/fs/cgroup type tmpfs (rw,uid=0,gid=0,mode=0755)
#
and
Remove cgroup-bin from your system and replace it with cgroup-lite.
cgroup-bin is known to have a variety of issues and is in the process of
getting killed to replace by the much simpler and much more reliable
cgroup-lite.
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@Ritesh,
actually lxc-create doesn't need the cgroups, so that doesn't mean there
is no problem. However, your mount output only shows that a tmpfs
called cgroup is mounted under /sys/fs/cgroup. It doesn't show that
actual cgroup filesystems are mounted under there. Take a look at
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https://bugs.launchpad.net/bugs/936756
Title:
lxc complains about cgroup not available
To manage notifications about this bug go to:
actually, this must be a problem at my end. I just tried with lxc-
create, and it was able to create a container. Sorry for the noise.
** Changed in: lxc (Ubuntu)
Status: New = Invalid
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