[Bug 296417] sysutils/mate-power-manager - MATE screen brightness applet does not work

[email protected] Mon, 06 Jul 2026 23:52:23 +0000
Newsgroups gmane.os.freebsd.devel.gnome
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D296417

--- Comment #1 from Steve Meliza <[email protected]> ---
After further testing I noticed that the backlight applet stops working aft=
er
some time while /usr/bin/backlight continues to work. When this happens the=
 get
brightness command still works but the set brightness command results in the
following error:

kernel: pid 3880 (pkexec), jid 0, uid 0: exited on signal 6 (no core dump -
sugid process denied by kern.sugid_coredump)


I have found that 99 set brightness commands can be used before the error
starts showing up on the 100th use. The attached dbus_test.sh script uses t=
he
dbus directly to set the backlight brightness in a loop to expedite testing.
This feels like a bug elsewhere in the MATE power manager, but I've not fig=
ured
out where yet.

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