View source for Problem with video related system lockup

Information about the problem of system lockups related to high video load.

==Problem description==

Occasionally, when under high video load (e.g. scrolling text or moving windows), the computer becomes unresponsive.

==Affected Models==

*Thinkpads with an S3 Savage video card (Thinkpad T2*)

==Affected Operating Systems==

*Any OS using the XFree86/Xorg 'savage' driver

==Status==

This problem is already known about/solved by the driver development team.  According to the savage manual page, the problem is related to "a chip bug in the Savage graphics engine that causes a bus lock when reading from the engine status register under high load".  Also according to the same source, "the bug affects about 4% of all Savage users."

==Solutions==

Add the following line to the Device section of your XF86Config-4/Xorg.conf file:

 Option     "ShadowStatus"

==Related Links==

*[http://www.xfree86.org/4.3.0/savage.4.html XFree86 Savage(4) Manual Page]

[[Category:T20]] [[Category:T21]] [[Category:T22]] [[Category:T23]]