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Re: kernel panic on readBytes

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Re: kernel panic on readBytes

Subject: Re: kernel panic on readBytes
From: Quinn <email@hidden>
Date: Tue, 8 Apr 2008 22:29:04 +0100

At 13:48 -0400 8/4/08, Timur Alperovich wrote:

 >From reading the documentation about the IOMemoryDescriptor on
developer.apple.com, it seems that calling "withPhysicalAddress"
should set the kMemoryTypePhysical flag.

The problem is that kMemoryTypePhysical != kIOMemoryTypePhysical64. The former is a 32-bit I/O physical address. The later is a 64-bit CPU physical address.

S+E
--
Quinn "The Eskimo!"                    <http://www.apple.com/developer/>
Apple Developer Relations, Developer Technical Support, Core OS/Hardware
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References:  
  >kernel panic on readBytes (From: "Timur Alperovich" <email@hidden>)
  >Re: kernel panic on readBytes (From: Garth Cummings <email@hidden>)
  >Re: kernel panic on readBytes (From: "Timur Alperovich" <email@hidden>)
  >Re: kernel panic on readBytes (From: "Timur Alperovich" <email@hidden>)




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