Date: Tue, 20 Jun 2000 06:16:07 -0500 From: "Josh Paetzel" <jpaetzel@hutchtel.net> To: "John Baldwin" <jhb@FreeBSD.ORG> Cc: <freebsd-questions@FreeBSD.ORG>, "Peter Haight" <peterh@sapros.com> Subject: RE: Get 'System halted' when booting 4.0 Message-ID: <NEBBIJCLELPGBFNNJOFHIEKLCCAA.jpaetzel@hutchtel.net> In-Reply-To: <200006200327.UAA02376@john.baldwin.cx>
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> >> > >> > >> Just got a new Athalon 900 setup and when I try to boot 4.0 on > >> it, I get the > >> following message: > >> > >> int=0000000d err=00000000 efl=00030002 eip=0000568f > >> eax=00000208 ebx=00000000 ecx=c0010010 edx=00000100 > >> esi=0000000b cdi=00000005 ebp=000003f4 esp=000003c4 > >> cs=f000 ds=ec00 es=1000 fs=0000 gs=0000 ss=4e75 > >> cs:eip = 0f 32 66 0d 00 00 08 00-0f 30 c3 66 b9 10 00 01 > >> ss:esp = 04 57 15 00 00 00 00 01-00 00 3d 1d 00 ec 6a 1d > >> System Halted > >> > >> Anyone got any ideas? > >> > >> I get the same off of a floppy and a 3.4 CD. > >> > >> > > When I see things like this I tend to think that I have bad hardware. > > > > Josh > > It's not. It faults because the BIOS is trying to use the RDMSR > instruction, which causea a GPF when it is run in Virtual 86 mode, > which is the mode we use to make BIOS calls during the boot strap. > There are several other instructions which work similarly (fault > when the BIOS runs them) and the bootstrap program simply examines > the opcode of the offending instruciton and emulates the instruction, > and then restarts the execution at the next instruction. In this > case, we don't emulate RDMSR in 4.0, although we do now in current > as of about a day or two ago. > > -- > Thank you for clearing that up for me. Josh To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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