Hello, we have an unprivileged container on LXC 2.1.1, which starts without any errors. The /proc system is however not available/mounted:
...
drwxr-xr-x 2 root root 1024 Jul 19 2018 proc
...
dr-xr-xr-x 12 nobody nogroup 0 Jun 6 17:13 sys
...
/sys on the other hand is present. The network seems to work, we can login with
lxc-console, only commands which rely on /proc are non-functional, e.g. mount,
ps, etc. The configuration file contains the following line:
lxc.mount.auto = cgroup:rw proc:rw sys:rw
The same configuration runs without any problems on a similar system using the
same kernel version (3.12.59). Suspicious in the logs are the following entries:
lxc-start qivicon 20190606172753.696 DEBUG console -
console.c:lxc_console_peer_default:450 - process does not have a controlling
terminal
lxc-start qivicon 20190606172753.848 INFO lxc_utils -
utils.c:lxc_mount_proc_if_needed:1758 - I am 13379, /proc/self points to "1"
lxc-start qivicon 20190606172753.848 INFO lxc_utils -
utils.c:lxc_mount_proc_if_needed:1780 - mounted /proc in container for security
transition
On the "working" system, we see:
lxc-start qivicon 20190606182855.698 DEBUG console -
console.c:lxc_console_peer_default:450 - process does not have a controlling
terminal
lxc-start qivicon 20190606182855.731 INFO lxc_utils -
utils.c:lxc_mount_proc_if_needed:1758 - I am 1, /proc/self points to "1"
Do you have any ideas what the cause of the problem might be?
Thanks in advance,
Todor
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