Ubuntu
gnome-panel package

Workspace Switcher only sees primary screen on dualHead setup

Bug #152091 reported by Sami Nybacka
2
Affects Status Importance Assigned to Milestone
gnome-panel (Ubuntu)
Invalid
Low
Ubuntu Desktop Bugs

Bug Description

Workspace Switcher 2.20.0.1 on most current 7.10 beta.

I have dual screen setup (no xinerama). Screen 0 is laptop builtin screen. Screen 1 is external LCD. I have Workspace Switcher (WS) with 12 workspaces and 3 rows on both screens.

Problem: screen1 WS is showing windows from screen0, and acts like it is attached to screen0: when using mouse or keyboard shortcuts to switch workspace on screen1, it changes workspace on screen0.

When i remove WS from gnome-panel on screen1 and add it again, everything works fine on both screens/WS's. But after a logout/login, screen1 WS is again attached to screen0.

xorg.conf / Device:
        Driver "i810"

No 3D effects.

Revision history for this message
Sami Nybacka (sapeny) wrote :

Another, most probably related, dual screen weirdness: sometimes gnome-terminal (started from gnome-panel menu or launcher) has DISPLAY set to wrong screen number.

I.e. terminal started on screen0 normally has DISPLAY ":0.0", but very often it gets ":0.1". And vice versa. When this happens first time, then usually all following terminals have DISPLAY wrong.

Haven't yet found out the logic/circumstances when this happens. Usually the first terminal on particular screen has its DISPLAY right, but second & all the following terminals have it wrong.

Revision history for this message
Sami Nybacka (sapeny) wrote :

At work I have desk computer with two display adapters having this same problem. Only difference is that primary screen's (i810) WS works, but secondary screen's (mga) WS doesn't. When I remove WS from secondary screen's panel and add it again, everything works until the next logout.

Terminal DISPLAY problem also occasionally appears on that computer.

Revision history for this message
Sami Nybacka (sapeny) wrote :

It seems that Workspace Switcher works if there's only 1 row of workspaces. When using 3 rows, 1st or 2nd screen's WS stops working.

Revision history for this message
Sebastien Bacher (seb128) wrote :

Thanks for the bug report. This particular bug has already been reported, but feel free to report any other bugs you find.

Changed in gnome-panel:
assignee: nobody → desktop-bugs
importance: Undecided → Low
status: New → Invalid
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