DragonFly bugs List (threaded) for 2007-01
DragonFly BSD
DragonFly bugs List (threaded) for 2007-01
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Re: [issue397] Dragonfly 1.6 - Fatal trap 12


From: "Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>
Date: Fri, 12 Jan 2007 09:59:51 +0100

Dirk König wrote:
Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0xeb761
fault code		= supervisor read, page not present
instruction pointer	= 0x8:0xc00eb647
stack pointer		= 0x10:0xc0758a00
frame pointer		= 0x10:0xc0758a00
code segment 		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, def 32 1, gran 1
processor eflags 	= interrupt enabled, resume, IOPL = 0
current process 	= 0 (swapper)
current threat		= pri 12

kernel: type 12 trap, code=0
Stopped at	0xc00eb647:	cmpb	%cs:0x1(%esi),%bl

this looks like BIOS code to me. for some reason it is mapped at 0xc00eb000, but %esi is (of course) 0xeb761. it is missing 0xc0000000 bytes :) maybe the bios needs to be mapped into a lower memory area?


cheers
 simon

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