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My display goes wild after "high-performance calculations"

PostPosted: 10 Nov 2011, 21:07
by brutaltruth
Hi, guys!
I recently installed YDL 6.2 on my MacMini G4.
I've got 19" DVI display. Everything is (almost) OK (see my other topics here), but after i heavy-load my computer - X windows session goes wild!

1) I start YDL 6.2, login. Everything is smooth and OK.
2) I open console and simply do a "grep -r s /" - i search for s letter within whole file system :-)
3) 30-60 seconds after - MY DISPLAY shows fuzzy/distorted picture.
4) I can still connect to my computer through SSH and restart X session. It helps and i log in again successfully :-)

The problem is not in my MacMini hardware! I tested it using Mac OS X Tiger for a couple of days - everything is fine.
Can you help me with that problem? Thank you!