[haiku-bugs] Re: [Haiku] #7016: Garbage at bottom of the screen

  • From: "axeld" <trac@xxxxxxxxxxxx>
  • Date: Mon, 27 Dec 2010 22:38:14 -0000

#7016: Garbage at bottom of the screen
-------------------------------------+-------------------------------------
  Reporter:  mr.Noisy                |        Owner:  axeld
      Type:  bug                     |       Status:  new
  Priority:  normal                  |    Milestone:  R1
 Component:                          |      Version:  R1/Development
  Drivers/Graphics/intel_extreme     |     Keywords:  intel_extreme GMA965
Resolution:                          |  garbage 1920x1080 32bit
Blocked By:                          |  Has a Patch:  0
  Platform:  x86                     |     Blocking:
-------------------------------------+-------------------------------------

Comment (by axeld):

 That's very helpful, thanks! Apparently, your BIOS reserves 8 MB of memory
 which this resolution manages to exhaust (because of some other buffers
 for 2D acceleration, and the mouse cursor). It looks like my AGP
 implementation fails reserving memory outside of this region.

 If you are able to switch to a 1 MB video buffer in the BIOS, the problem
 should get much worse - if you are able to select a higher amount of
 memory, the problem should go away. In either case, I can try to reproduce
 this on my i965 in the next few weeks.

-- 
Ticket URL: <http://dev.haiku-os.org/ticket/7016#comment:4>
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