Red Hat Bugzilla – Bug 433706
DPMS off seems to be undone when an application sets the URGENT window manager hint
Last modified: 2018-04-11 14:34:31 EDT
Description of problem:
Recently I've been waking up in the morning to see my screen with frozen
screensaver image, but monitor still awake / lit up. Used to be it was just
off, moving mouse slightly would bring it to life, moving it a little more
would wake up the screensaver.
Version-Release number of selected component (if applicable):
Leave machine to snooze. Go to bed. Wake up to find screen still awake, but
screensaver STOPped (as it should be when screen is asleep).
Steps to Reproduce:
Screen is no longer DPMS OFFing.
Screen is DPMS OFFed.
Seems to be fairly recent, but cannot say for certain it's the most recent
update. Strong circumstantial evidence though.
Thanks for the bug report. We have reviewed the information you have provided
above, and there is some additional information we require that will be helpful
in our diagnosis of this issue.
Please attach your X server config file (/etc/X11/xorg.conf) and X server log
file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file
attachments using the bugzilla file attachment link below.
Could you please also try to run without any /etc/X11/xorg.conf whatsoever and
let X11 autodetect your display and video card? Attach to this bug
/var/log/Xorg.0.log from this attempt as well, please.
We will review this issue again once you've had a chance to attach this information.
Thanks in advance.
Created attachment 295530 [details]
Created attachment 295531 [details]
Thanks for the canned reply. We have reviewed the information you have
requested above, and there is some additional information we require that will
be helpful in our diagnosis of why you think you need it.
Please explain how running without a config file can have any relevance to
this issue, since it's not a complaint about a) some piece of hardware not
being configured b) not a keyboard map problem c) not a failure to initialise
DRI d) ... need we continue?
Will do that next time I restart, possibly. In the meantime, I haven't had to
restart today, and hopefully won't need to tomorrow either. Unless the power
More's to the point, I'm running KDE, and the DPMS settings are configured
through their settings interface, not the X config file. Or at least that's
overridden. So the log is of much more use, I'm sure.
I actually revisited the bug to add a bit of useful information, as it
happens. I happened to notice (by deliberately leaving it to go into suspend)
that it seems to come back to life (without the screensaver being woken up)
when pidgin gets an incoming message and plays a sound. No idea why this is
waking the monitor up, but will try to discover whether it's just when playing
the sound, or if it's putting the "attention" flag on the window, or whatever.
Looks like either the kde window manager or screensaver framework are at
I have no idea what relevance it has, but I would like to see what’s actually
going on in your system, and for that your configuration is very interesting.
And yes log file is certainly more interesting.
Concerning the canned reply -- I have a lot of bugs to see a day, so sorry there
is not enough time to write nice novels to each bug.
Passing to KDE guys.
Thanks, and sorry for the grumpiness. Would a more verbose log help?
Also, is there any way to get KDE to log any debugging-type output from kwin
and/or the screensaver handling?
Updating title to reflect reality :o)
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