Public bug reported:
The following was introduced as
"/etc/udev/rules.d/99-harvest_camera.rules":
ACTION=="add", KERNEL=="sd*[!0-9]", ENV{ID_FS_UUID_ENC}=="C355-A42D",
RUN+="/usr/bin/sudo -u bill /home/bill/scripts/harvest_camera.sh"
When the device is attached, it gets mounted but the harvest_camera.sh
script does not execute. The udev_log=debug parameter is set in
/etc/udev/udev.conf. Verbosity was also maximized by running "udevadm
control --log-priority=debug". After running "udevadm monitor
--environment --udev", the drive was attached. The output shows a
device being created (/dev/sda1) and the UUID in the rule matches. But
the script simply never executes. The /var/log/syslog file shows:
"
Reading rules file: /etc/udev/rules.d/99-harvest_camera.rules
Successfully forked off 'n/a' as PID 2201.
1-2.3: Worker [2201] is forced for rocessing SEQNUM=7973.
"
So the logs make it look as though the script was executed. The script
is simply a stub that does a "touch /tmp/IhaveExecuted" and a call to
zenity to give a popup announcement. But none of that happens (no popup
and no new file in /tmp/). With maximum verbosity, there is no way to
further diagnose this. Deeper detail is needed that shows which
matching criteria in the rules is being tried and what the result is.
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1890836
Title:
udev rule read but "RUN" command is not executed
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