I'm also seeing this on Artful, despite applying the "blacklist
acpi_als" fix.
The messages are as follows:
Sep 25 10:24:30 coyote org.gnome.SettingsDaemon.Power.desktop[1661]: Error
executing command as another user: Not authorized
Sep 25 10:24:30 coyote org.gnome.SettingsDaemon.Power.desktop[1661]: This
incident has been reported.
This is on an Thinkpad Yoga 14. I did a clean install of Zesty on it
earlier this year, switched to the Gnome desktop after the install, and
did a dist-upgrade to Artful last month. The problem has been pretty
constant through the upgrades.
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https://bugs.launchpad.net/bugs/1584457
Title:
gsd-backlight-helper spamming the logs since upate to 16.04
Status in GNOME Settings Daemon:
Fix Released
Status in gnome-settings-daemon package in Ubuntu:
Fix Released
Status in gnome-settings-daemon source package in Xenial:
Confirmed
Bug description:
Since updating to 16.04 from 14.04, I have the syslog spammed by:
SEC: May 22 13:26:43 samsung-romano pkexec[21248]: gdm: Error executing
command as another user: Not authorized [USER=root] [TTY=unknown]
[CWD=/var/lib/gdm3]
[COMMAND=/usr/lib/gnome-settings-daemon/gsd-backlight-helper --set-brightness
1766]
SEC: May 22 13:26:43 samsung-romano pkexec: pam_unix(polkit-1:session):
session opened for user root by (uid=1153)
SEC: May 22 13:26:43 samsung-romano pkexec: pam_systemd(polkit-1:session):
Cannot create session: Already running in a session
SEC: May 22 13:26:43 samsung-romano pkexec:
pam_ck_connector(polkit-1:session): cannot determine display-device
SEC: May 22 13:26:43 samsung-romano pkexec[21249]: romano: Executing command
[USER=root] [TTY=unknown] [CWD=/home/romano]
[COMMAND=/usr/lib/gnome-settings-daemon/gsd-backlight-helper --set-brightness
4322]
SYS: May 22 13:26:43 samsung-romano gnome-session[1454]: Error executing
command as another user: Not authorized
SYS: May 22 13:26:43 samsung-romano gnome-session[1454]: This incident has
been reported.
every couple of seconds or so. There is no really need to change
brightness... how can I stop it?
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