Public bug reported:
Lubuntu 19.04 [x86_64] installed system (upgraded from 18.04 85 days
ago)
When the screensaver takes effect, both displays go dim & go black for
maybe a second then one shows screensaver, the other returns to normal
display.
If i have windows (hexchat, htop/glances running) on the non-screensaver
displaying window, those contents continue to receive updates allowing
me to see new incoming messages in hexchat, or view the process info in
htop/glances on a qterminal window.
I logged out & tried same in XFCE and it blacked both screens the same,
but then showed xscreensaver images on each display (not the same image,
each with its own 'image'). My system has lubuntu-desktop & xubuntu-
desktop intalled. I returned to Lubuntu & re-tested and it was the same
(one display showing screensaver, one resuming active windows)
To replicate:
- login to Lubuntu 19.04 (on system with two displays)
- have windows open on both displays, eg. htop so you can view detail change
- change screensaver prefers to blank after 1 min, then wait
as screensaver takes effect, both will dim, then one will display
screensaver, other will return to displaying the window it was before
with information (htop etc) updating as if unlocked.
----
i tried `ubuntu-bug xscreensaver` & it ran apport, then returned to $ prompt
without browser to enter this window. this is my main desktop; x86_64 or dell
[optiplex] 960 (c2q-q9400, 8gb, amd/ati cedar radeon hd 5000/6000/7350/8350) on
that rare occasion I use it for qa-testing. this though was my installed
normal system (so likely heavily modified)
guiverc@d960-ubu2:~$ apt-cache policy xscreensaver
xscreensaver:
Installed: 5.42+dfsg1-1ubuntu1
Candidate: 5.42+dfsg1-1ubuntu1
Version table:
*** 5.42+dfsg1-1ubuntu1 500
500 http://ftp.iinet.net.au/pub/ubuntu disco/universe amd64 Packages
100 /var/lib/dpkg/status
guiverc@d960-ubu2:~$ uptime
14:36:44 up 2:23, 1 user, load average: 0.71, 0.76, 0.81
(the system was updated fully & has been restarted after updates)
** Affects: xscreensaver (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1814490
Title:
lubuntu 19.04 xscreensaver runs on single display, other display
continues normally
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