Public bug reported:
Similar symptom to https://bugs.launchpad.net/ubuntu/+source/cgroup-
lite/+bug/929381, but obviously a different issue:
$ sudo apt-get install cgroup-lite
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
cgroup-lite
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/3,490 B of archives.
After this operation, 46.1 kB of additional disk space will be used.
Selecting previously unselected package cgroup-lite.
(Reading database ... 241656 files and directories currently installed.)
Unpacking cgroup-lite (from .../cgroup-lite_1.1_all.deb) ...
Processing triggers for ureadahead ...
Setting up cgroup-lite (1.1) ...
start: Job failed to start
invoke-rc.d: initscript cgroup-lite, action "start" failed.
dpkg: error processing cgroup-lite (--configure):
subprocess installed post-installation script returned error exit status 1
Errors were encountered while processing:
cgroup-lite
E: Sub-process /usr/bin/dpkg returned an error code (1)
$ sudo start cgroup-lite
start: Job failed to start
$ ls -ld /usr/bin/cgroups-mount
-rwxr-xr-x 1 root root 850 Feb 9 00:56 /usr/bin/cgroups-mount
$ ls -ld /sys/fs/cgroup
drwxr-xr-x 2 root root 0 Apr 19 13:37 /sys/fs/cgroup
$ sudo /usr/bin/cgroups-mount
mount: cgroup already mounted or /sys/fs/cgroup/cpu busy
mount: according to mtab, cgroup is mounted on /sys/fs/cgroup
$ echo $?
32
$ mount | grep cgroup
none on /dev/cgroup/cpu type cgroup (rw,cpu,cpuacct)
none on /dev/cgroup/devices type cgroup (rw,devices)
cgroup on /sys/fs/cgroup type tmpfs (rw,uid=0,gid=0,mode=0755)
$ sudo /usr/bin/cgroups-umount
umount: cpu: not mounted
umount: cpuacct: not found
umount: memory: not found
umount: devices: not found
umount: freezer: not found
umount: net_cls: not found
umount: perf_event: not found
$ mount | grep cgroup
none on /dev/cgroup/cpu type cgroup (rw,cpu,cpuacct)
none on /dev/cgroup/devices type cgroup (rw,devices)
$ sudo /usr/bin/cgroups-mount
mount: cgroup already mounted or /sys/fs/cgroup/cpu busy
mount: according to mtab, cgroup is mounted on /sys/fs/cgroup
$ echo $?
32
** Affects: cgroup-lite (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/985884
Title:
cgroup lite postinst fails (init script doesn't start)
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