Public bug reported:
I'm using tmux (3.4-1ubuntu0.1) with byobu (6.11-0ubuntu1) on Ubuntu
server (24.04). Often when I reconnect to a session over ssh, I get this
in my system log:
2024-11-01T02:46:21.292194+08:00 jane systemd[3916]:
tmux-spawn-fea509f3-1083-45be-a56a-27d51fcd3ccd.scope: Couldn't move process
65856 to requested cgroup
'/user.slice/user-1000.slice/user@1000.service/tmux-spawn-fea509f3-1083-45be-a56a-27d51fcd3ccd.scope':
No such process
2024-11-01T02:46:21.292327+08:00 jane systemd[3916]:
tmux-spawn-fea509f3-1083-45be-a56a-27d51fcd3ccd.scope: Failed to add PIDs to
scope's control group: No such process
2024-11-01T02:46:21.292387+08:00 jane systemd[3916]:
tmux-spawn-fea509f3-1083-45be-a56a-27d51fcd3ccd.scope: Failed with result
'resources'.
2024-11-01T02:46:21.292438+08:00 jane systemd[3916]: Failed to start
tmux-spawn-fea509f3-1083-45be-a56a-27d51fcd3ccd.scope - tmux child pane 65856
launched by process 38111.
Once in a while I get this instead:
2024-11-01T02:43:20.280602+08:00 jane systemd[1]: user@1000.service: PID 61422
vanished before we could move it to target cgroup
'/user.slice/user-1000.slice/user@1000.service/tmux-spawn-f4c5e4d9-1ebb-4ee7-9f8e-195244288a21.scope',
skipping: No such process
2024-11-01T02:43:20.281192+08:00 jane systemd[3916]: Started
tmux-spawn-f4c5e4d9-1ebb-4ee7-9f8e-195244288a21.scope - tmux child pane 61422
launched by process 38111.
which seems like it is related to this issue.
The strange thing is, this is happening on one of my servers but not on
others with a similar configuration.
** Affects: tmux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2086229
Title:
systemd couldn't move process to requested cgroup
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