I have a reproducible problem with systemd-ask-password.
# rpm -q systemd
systemd-246.7-2.fc33.x86_64
1. boot fedora 33
2. login to KDE
3. start a terminal and run top
4. start a terminal and run:
systemctl >before
systemd-ask-password 'testing: ' </dev/null >p
5. Observe that top is showing systemd using ~80% CPU
6. stop systemd-ask-password and CPU returns to idle
systemctl >after
7. Check journal:
Jan 16 15:18:19 vmf33.chelsea.private systemd[1]: Condition check resulted in Forward Password Requests to Plymouth being skipped.
Jan 16 15:18:19 vmf33.chelsea.private systemd[1]: Condition check resulted in Forward Password Requests to Plymouth being skipped.
Jan 16 15:18:19 vmf33.chelsea.private systemd[1]: Condition check resulted in Forward Password Requests to Plymouth being skipped.
Jan 16 15:18:19 vmf33.chelsea.private systemd[1]: Condition check resulted in Forward Password Requests to Plymouth being skipped.
Jan 16 15:18:19 vmf33.chelsea.private systemd[1]: Condition check resulted in Forward Password Requests to Plymouth being skipped.
Jan 16 15:18:19 vmf33.chelsea.private systemd[1]: Condition check resulted in Forward Password Requests to Plymouth being skipped.
etc...
# journalctl -b | grep Condition | wc -l
37555
8. run again:
systemd-ask-password 'testing: ' </dev/null >p
9. messgae sent to all terminals:
Broadcast message from
root@vmf33.chelsea.private (Sat 2021-01-16 15:28:02 GMT):
Password entry required for 'testing:' (PID 1862).
Please enter password with the systemd-tty-ask-password-agent tool.
-----
Looking at the services before and after running systemd-ask-password once I see this diff:
# diff -u before after | grep '^[-+]'
--- before 2021-01-16 15:35:51.850438282 +0000
+++ after 2021-01-16 15:36:08.875736785 +0000
- systemd-ask-password-plymouth.path loaded active waiting Forward Password Requests to Plymouth Directory Watch
- systemd-ask-password-wall.path loaded active waiting Forward Password Requests to Wall Directory Watch
+ systemd-ask-password-wall.path loaded active running Forward Password Requests to Wall Directory Watch
- fprintd.service loaded active running Fingerprint Authentication Daemon
+ systemd-ask-password-wall.service loaded active running Forward Password Requests to Wall
-196 loaded units listed. Pass --all to see loaded but inactive units, too.
+195 loaded units listed. Pass --all to see loaded but inactive units, too.
I am seeing this behaviour on two systems. A dell laptop and a VMware VM.
Is there anything I can do to help debug this?
Or just raise a big report?
What work around would you suggest I use until this is fixed?
Barry
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