graphics regression in 2.6.28-7 on intel GM4500 in jaunty

Bug #327505 reported by swmike
2
Affects Status Importance Assigned to Milestone
linux (Ubuntu)
New
Undecided
Unassigned

Bug Description

Binary package hint: linux-image-2.6.28-7-generic

When booting 2.6.28-7 on my Lenovo X200 with Intel GM4500 graphics everything is normal until GDM starts, then I get a weird graphics effect (vivid colours run across the screen for a second), then everything goes black and keyboard stops working (not even caps lock does anything).

HD seems to be working occasionally, so I guess the whole computer isn't frozen. Booting back into 2.6.28-6 works as it should, so I guess this is some kind of interaction with the intel graphics driver in the 2.6.28-7.

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