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From: Hans Petter Selasky <hselasky@c2i.net>
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Date: Thu, 5 Jul 2012 09:22:51 +0200
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Subject: bus_dmamem_alloc failed to align memory properly
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Hi,

Someone reported to me that the following happens when allocating a 64K block 
aligned to 64K:

freebsd/sys/x86/x86/busdma_machdep.c:		printf("bus_dmamem_alloc failed 
to align memory properly.\n");

Any clues how to debug?

--HPS