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Old 09-14-2015, 06:49 AM   #1
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Registered: Aug 2005
Location: Brazil
Distribution: Debian
Posts: 1,411

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Big monitor problems (mostly with LXDE)

I just got a new monitor and upgraded from 2048x1024 to 1920x1080. I put the computer to sleep while I switched monitors. When I turned it on again, my Openbox/LXDE (Debian Jessie) desktop had become something of a mess.

I used to have a wallpaper, now it's gone.

The taskbar is gone, too. Sometimes it pops up in the middle of the screen, but it's still inaccessible. Once, I managed to right-click it and open the configuration manager. I made a few changes and closed it, but don't see any difference. It's still inaccesible.

The program menu (Ctrl+Esc) pops up all empty, so I have no access to my programs unless I run them from the command line.

I tried:

- logging out and in; no effect.
- rebooting; no effect.
- deleting ~/.config/lxsession; no effect. Well, I lost my personal settings, promptly recovered from a backup when I saw it didn't help.

Suddenly, one program bailed out claiming I had run out of disk space. Upon inspection, it turns out that ~/.cache/lxsession/LXDE/run.log had been logging a ton of errors and grew up to several gigabytes. It had been picking up a lot of messages like this:

** (lxpanel:10737): WARNING **: margin is bigger then edge size 0 > -2110378752. Ignoring margin

(lxpanel:10737): Gtk-CRITICAL **: IA__gtk_widget_set_size_request: assertion 'width >= -1' failed

(lxpanel:10737): Gdk-CRITICAL **: IA__gdk_screen_get_monitor_geometry: assertion 'monitor_num < screen_x11->n_monitors' failed

According to Google, this happens a lot in connection with Libre Office and one or two other programs, but I found no mention of LXDE. I have no problem running Libre Office.

I thought I should perhaps contact someone from, but although their site is up, the forum, wiki and irc pages are not operational.

I don't know what else I can do. :-(
Old 09-14-2015, 12:47 PM   #2
Senior Member
Registered: Aug 2005
Location: Brazil
Distribution: Debian
Posts: 1,411

Original Poster
Rep: Reputation: 108Reputation: 108
Well, I connected another monitor and there was the taskbar, laughing at me.

So I inspected my configuration even further and realized there was a mistake in it that came up when I switched monitors. Everything is alright now.


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