[haiku-bugs] Re: [Haiku] #8012: Boot Fails 2nd time Macbook 2,1

  • From: "kvdman" <trac@xxxxxxxxxxxx>
  • Date: Tue, 11 Oct 2011 08:01:12 -0000

#8012: Boot Fails 2nd time Macbook 2,1
-------------------------+-----------------------
   Reporter:  kvdman     |      Owner:  nobody
       Type:  bug        |     Status:  new
   Priority:  normal     |  Milestone:  R1
  Component:  - General  |    Version:  R1/alpha3
 Resolution:             |   Keywords:
 Blocked By:             |   Blocking:
Has a Patch:  0          |   Platform:  All
-------------------------+-----------------------

Comment (by kvdman):

 Seems this happens under Ubuntu 11.04 on Macbooks too.

 "MTRR setup doesn't work/happen. I assume this is due to the MacBook using
 EFI (well, an Apple variant of it) with a BIOS emulation. I manually set
 the two areas marked as prefetchable in lspci to write-combining in
 /proc/mtrr. This seems to help a bit against some of the really slow
 framebuffer updates."

 [http://www.nvnews.net/vbulletin/showthread.php?t=164092]

-- 
Ticket URL: <http://dev.haiku-os.org/ticket/8012#comment:2>
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