Re: xscreensaver fails to activate via "Preview" button or via "Blank after" setting
On Mon, 13 Feb 2023 09:28:23 -0800
Mike Kupfer <kupfer@rawbw.com> wrote:
> Celejar wrote:
>
> > I'm running Debian Sid with XFCE. Xscreensaver used to work, but a
> > number of months ago, it broke badly: it now fails to fails to activate
> > via the "Preview" button or (more importantly) via the "Blank after"
> > setting.
>
> Thank you for bringing this up. I just noticed yesterday that
> XScreensaver was not working with Xfce in my Bookworm VM, but I was too
> busy to look into it. I could start it by hand after logging in, but
> there was an autostart entry for it, so I expected it to already be
> running.
>
> Have you verified that the daemon is running? (Does "pgrep
> xscreensaver" produce anything?)
It's running:
~$ ps ax | grep screensaver
2727 ? S 0:07 xscreensaver -no-splash
2813 ? S 0:00 xscreensaver-systemd
31876 pts/6 S+ 0:00 grep screensaver
> Prompted by your email, I added an Xfce autostart command to run
> xscreensaver in verbose mode and with logging enabled. The log says
>
> xscreensaver: 09:09:49: running in process 4072
> xscreensaver: 09:09:49: "cinnamon-screensaver" is already running on display :0.0 (window 0x1200001)
>
> By the time I could look at the log file, though, cinnamon-screensaver
> was no longer running.
>
> The xscreensaver man page does say something about uninstalling other
> screensavers. It's in the section "INSTALLING XSCREENSAVER ON GNOME OR
> UNITY", but maybe it applies to other DEs? It does seem odd that
> cinnamon-screensaver would get started in Xfce. Maybe this is some
No cinnamon-screensaver here, as per the output shown above.
> side-effect related to using systemd to start screensavers?
>
> Anyway, if you don't have any other screensavers installed in your VM,
> try enabling logging and see if it tells you anything interesting.
Thanks for the suggestion. The logs show regular deactivate events like
the following every 20 seconds:
ClientMessage DEACTIVATE: already inactive, resetting activity time
I saw this:
https://www.jwz.org/xscreensaver/faq.html#no-blank
I guess I have to figure out what application is sending these messages?
Firefox? I do tend to keep a lot of tabs open.
Anyway, I've updated the bug log with this information:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1014782#77
Thank you.
--
Celejar
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