[pkg-lxc-devel] Bug#843450: lxc: Corrupt /proc/self/cgroup / Failed to get list of controllers

[Kevin Locke]

On Sat, 2016-11-12 at 10:30 +0100, Evgeni Golov wrote:
> Can you please try systemd 232-3?
> You should not need to pass systemd.legacy_systemd_cgroup_controller anymore as the offending change was reverted.

I am observing the "PAM-CGFS: Failed to get list of controllers" error
message as well, but not "PAM-CGFS: Corrupt /proc/self/cgroup", on a
system running systemd 233-10, libpam-cgfs 2.0.7-1, and kernel 4.12.

Adding systemd.legacy_systemd_cgroup_controller to the kernel command
line does avoid the error messages.

For reference, I have attached the relevant portion of
/proc/1/mountinfo and /proc/self/cgroup as previously requested, both
booting with and without systemd.legacy_systemd_cgroup_controller.

-- 
Cheers,      |  kevin at kevinlocke.name    | XMPP: kevin at kevinlocke.name
Kevin        |  https://kevinlocke.name  | IRC:   kevinoid on freenode
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26 17 0:22 / /sys/fs/cgroup rw shared:9 - tmpfs tmpfs rw,mode=755
27 26 0:23 / /sys/fs/cgroup/unified rw,nosuid,nodev,noexec,relatime shared:10 - cgroup2 cgroup rw
28 26 0:24 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime shared:11 - cgroup cgroup rw,xattr,name=systemd
30 26 0:26 / /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime shared:14 - cgroup cgroup rw,freezer
31 26 0:27 / /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime shared:15 - cgroup cgroup rw,blkio
32 26 0:28 / /sys/fs/cgroup/cpu,cpuacct rw,nosuid,nodev,noexec,relatime shared:16 - cgroup cgroup rw,cpu,cpuacct
33 26 0:29 / /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime shared:17 - cgroup cgroup rw,cpuset
34 26 0:30 / /sys/fs/cgroup/net_cls,net_prio rw,nosuid,nodev,noexec,relatime shared:18 - cgroup cgroup rw,net_cls,net_prio
35 26 0:31 / /sys/fs/cgroup/memory rw,nosuid,nodev,noexec,relatime shared:19 - cgroup cgroup rw,memory
36 26 0:32 / /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime shared:20 - cgroup cgroup rw,devices
37 26 0:33 / /sys/fs/cgroup/pids rw,nosuid,nodev,noexec,relatime shared:21 - cgroup cgroup rw,pids
38 26 0:34 / /sys/fs/cgroup/perf_event rw,nosuid,nodev,noexec,relatime shared:22 - cgroup cgroup rw,perf_event
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10:perf_event:/
9:pids:/user.slice/user-1000.slice/session-1.scope
8:devices:/user.slice
7:memory:/user.slice
6:net_cls,net_prio:/
5:cpuset:/
4:cpu,cpuacct:/user.slice
3:blkio:/user.slice
2:freezer:/
1:name=systemd:/user.slice/user-1000.slice/session-1.scope
0::/user.slice/user-1000.slice/session-1.scope
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26 17 0:22 / /sys/fs/cgroup rw shared:9 - tmpfs tmpfs rw,mode=755
27 26 0:23 / /sys/fs/cgroup/systemd rw,nosuid,nodev,noexec,relatime shared:10 - cgroup cgroup rw,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd
29 26 0:25 / /sys/fs/cgroup/net_cls,net_prio rw,nosuid,nodev,noexec,relatime shared:13 - cgroup cgroup rw,net_cls,net_prio
30 26 0:26 / /sys/fs/cgroup/cpu,cpuacct rw,nosuid,nodev,noexec,relatime shared:14 - cgroup cgroup rw,cpu,cpuacct
31 26 0:27 / /sys/fs/cgroup/cpuset rw,nosuid,nodev,noexec,relatime shared:15 - cgroup cgroup rw,cpuset,clone_children
32 26 0:28 / /sys/fs/cgroup/perf_event rw,nosuid,nodev,noexec,relatime shared:16 - cgroup cgroup rw,perf_event
33 26 0:29 / /sys/fs/cgroup/memory rw,nosuid,nodev,noexec,relatime shared:17 - cgroup cgroup rw,memory
34 26 0:30 / /sys/fs/cgroup/pids rw,nosuid,nodev,noexec,relatime shared:18 - cgroup cgroup rw,pids
35 26 0:31 / /sys/fs/cgroup/blkio rw,nosuid,nodev,noexec,relatime shared:19 - cgroup cgroup rw,blkio
36 26 0:32 / /sys/fs/cgroup/freezer rw,nosuid,nodev,noexec,relatime shared:20 - cgroup cgroup rw,freezer
37 26 0:33 / /sys/fs/cgroup/devices rw,nosuid,nodev,noexec,relatime shared:21 - cgroup cgroup rw,devices
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10:devices:/user.slice
9:freezer:/user/kevin/0
8:blkio:/user.slice
7:pids:/user.slice/user-1000.slice/session-1.scope
6:memory:/user/kevin/0
5:perf_event:/
4:cpuset:/
3:cpu,cpuacct:/user.slice
2:net_cls,net_prio:/
1:name=systemd:/user.slice/user-1000.slice/session-1.scope