Hi, Thomas Richter <t...@math.tu-berlin.de> (13/02/2011): > If tiling is enabled and VGA1 output is connected to a secondary > display, and then a program is started that uses 3D graphics and > rendering acceleration (as for example tuxracer), and the program is > terminated, then sometimes(!) the output on VGA1 remains active, but > the LVDS1 (laptop display) remains blank and cannot be reenabled by > any means but restarting the X server. […]
I'm not sure where that belongs (X driver, X server, mesa, or kernel); we'll try to provide with backports as documented here: http://pkg-xorg.alioth.debian.org/reference/squeeze-backports.html I guess something you could easily try without changing too many packages on your squeeze system is a newer kernel (says 2.6.37 from sid or 2.6.38rc from experimental). That might help us rule out at least one component. KiBi.
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