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On 2013-06-28T05:00:39+00:00 Wirawan Purwanto wrote:

I am running xfce4 version 4.8.0.2 with all its bell and whistles
(including XFPM version 1.0.11) in Debian 7 (wheezy). The installation
includes xscreensaver, which I don't mind using.

I am reporting a problem where XFPM and xscreensaver have disagreement
on the DPMS parameters. Each software has its own store of DPMS
parameters (i.e. whether DPMS is enabled, and the timeout values for
Standby, Suspend, and Off). XFPM stores the settings in the XFCE setting
registry, where xscreensaver stores its parameters in ~/.xscreensaver
file.

If I set, say, the DPMS "Off" timeout value that is different in both
software, then it is not clear who will give the last word. You can
observe this issue by alternating the invocation of xscreensaver-demo
and XFPM setting dialog. Whichever tool is invoked for the last time,
that's what eventually sets the DPMS settings. (I use "xset q" to check
the applied DPMS parameters in the X server.) But this is not the whole
story. In XFPM settings dialog, if the timeout values are not changed
(ie. the values are the same upon closing the dialog box), then no
changes were done on the X DPMS settings, so in the end XFPM set of
values did not get applied upon closing the dialog box.

I also post this problem here (post #3)

http://forum.xfce.org/viewtopic.php?pid=30157#p30157

Here's my proposal:

*) since XFPM is supposed to be an upper-level tool, it may be necessary
to make XFPM to override the settings of xscreensaver, too, to be
consistent. Say, if a user changes the XFPM DPMS timeout settings, the
new values are propagated to ~/.xscreensaver (if that program is
running). The problem becomes more interesting with reading-in the XFPM
values. Do we need to let XFPM read from ~/.xscreensaver too?

*) Alternatively, in both XFPM and xscreensaver there should be an
option which basically is: "don't mess with the X DPMS settings", as
suggested by these bug reports:

https://bugzilla.xfce.org/show_bug.cgi?id=6595
https://bugzilla.xfce.org/show_bug.cgi?id=10192

In this case, we can let XFPM handle all the DPMS settings, and not
allow xscreensaver to mess with any. Or vice versa if the user wants it.

Let me know what you think.
Wirawan

Reply at: https://bugs.launchpad.net/ubuntu/+source/xfce4-power-
manager/+bug/889394/comments/3


** Changed in: xfce4-power-manager
       Status: Unknown => Confirmed

** Changed in: xfce4-power-manager
   Importance: Unknown => Medium

** Bug watch added: Xfce Bugzilla #6595
   https://bugzilla.xfce.org/show_bug.cgi?id=6595

** Bug watch added: Xfce Bugzilla #10192
   https://bugzilla.xfce.org/show_bug.cgi?id=10192

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Title:
  xscreensaver and xfce4-power-manager conflict

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