[Bug 33183] mouse cursor turns into thin vertical dashed line

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=33183

--- Comment #41 from Mike Isely <isely at pobox.com> ---
Other information...

xrandr output:

misely at aulin7:~$ xrandr
Screen 0: minimum 320 x 200, current 3840 x 1200, maximum 3840 x 1200
DVI-1 connected 1920x1200+0+0 (normal left inverted right x axis y axis) 518mm
x 324mm
   1920x1200      60.0*+
   1920x1080      60.0  
   1600x1200      60.0  
   1680x1050      59.9  
   1280x1024      60.0  
   1280x960       60.0  
   1024x768       60.0  
   800x600        60.3  
   640x480        59.9  
   720x400        70.1  
DVI-0 connected 1920x1200+1920+0 (normal left inverted right x axis y axis)
518mm x 324mm
   1920x1200      60.0*+
   1920x1080      60.0  
   1600x1200      60.0  
   1680x1050      59.9  
   1280x1024      60.0  
   1280x960       60.0  
   1024x768       60.0  
   800x600        60.3  
   640x480        59.9  
   720x400        70.1  

I should point out here two possibly notable things about that xrandr output:
(1) Just like Nick LeRoy, I have a pair of 1920x1200 LCDs hooked up, and (2)
the problem did not actually start until after I had upgraded to these panels. 
Previously I was using a pair of 1600x1200 LCD panels - for nearly a year
without issue.  This mouse cursor corruption started *within hours* of changing
to the larger panels (and also of course increasing the total virtual desktop
size to match) - nothing else at that time had changed.  This has been going on
for several weeks now, as I've tried various things to solve this (upgrade to
Debian wheezy, verify latest X11 driver, move up to 3.9 kernel after seeing the
thread here...).

Video hardware, from lspci:

01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV515GL
[FireGL V3350]

I can attach my xorg.conf if it will help, however the only things of any real
consequence there are (1) selection of the "radeon" driver, and the "Virtual
3840 1200" setting to arrange for use of side-by-side 1920x1200 LCD panels.

I guess now I'm off to see if I can disable the hw cursor...

  -Mike

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