Date: Mon, 13 Apr 2009 19:16:39 -0400 From: Jung-uk Kim <jkim@FreeBSD.org> To: freebsd-current@FreeBSD.org Cc: Diego Depaoli <trebestie@gmail.com> Subject: Re: AMD 780G chipset major issues 3/3 (btx) Message-ID: <200904131916.41157.jkim@FreeBSD.org> In-Reply-To: <200904131836.57686.jkim@FreeBSD.org> References: <83e5fb980904061402q73940f8at4ec4b8f821354320@mail.gmail.com> <200904131305.12605.jhb@freebsd.org> <200904131836.57686.jkim@FreeBSD.org>
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On Monday 13 April 2009 06:36 pm, Jung-uk Kim wrote: > On Monday 13 April 2009 01:05 pm, John Baldwin wrote: > > On Wednesday 08 April 2009 3:37:38 pm Diego Depaoli wrote: > > > On Tue, Apr 7, 2009 at 4:26 PM, John Baldwin <jhb@freebsd.org> > > wrote: > > > > On Monday 06 April 2009 5:02:53 pm Diego Depaoli wrote: > > > >> And finally... > > > >> if I enable ahci in bios the system won't boot with btx > > > >> halted. Ctrl+alt+del is the only allowed action. > > > >> > > > >> Yes... it's a low cost motherboard, but I'm a bit confused. > > > > > > > > What OS release are you running? > > > > > > 8.0-CURRENT FreeBSD 8.0-CURRENT #19: Sun Apr 5 02:25:34 CEST > > > 2009 FreeBSD version 800074 > > > > Very odd, can you get a copy of the BTX fault output? > > As I said earlier, I have a similar board and this is what I got: > > int=0000000d err=00000000 efl=00030002 eip=000001b1 > eax=00000011 ebx=00000002 ecx=00009d82 edx=0009dbc8 > esi=000003f0 edi=00000368 ebp=000003a8 esp=00000362 > cs=cf00 ds=0040 es=1400 fs=0000 gs=0000 ss=9d82 > cs:eip=2e 0f 01 16 7d 00 0f 20-c0 0c 01 0f 22 c0 eb 00 > b8 08 00 8e d8 8e c0 8e-d0 66 2e a1 54 00 66 8b > ss:esp=3f 00 c0 96 00 00 11 00-00 00 00 14 40 00 02 2f > 46 00 02 00 00 00 f0 03-00 00 a8 03 00 00 94 03 > > The following is the disassembled code: > > 0: 2e 0f 01 16 lgdtl %cs:(%esi) > 4: 7d 00 jge 0x6 > 6: 0f 20 c0 mov %cr0,%eax > 9: 0c 01 or $0x1,%al > b: 0f 22 c0 mov %eax,%cr0 > e: eb 00 jmp 0x10 > 10: b8 08 00 8e d8 mov $0xd88e0008,%eax > 15: 8e c0 mov %eax,%es > 17: 8e d0 mov %eax,%ss > 19: 66 2e a1 54 00 66 8b mov %cs:0x8b660054,%ax Ouch, the following should be more likely disassembly: 0: 2e 0f 01 16 7d 00 lgdtl %cs:0x7d 6: 0f 20 c0 mov %cr0,%ax 9: 0c 01 or $0x1,%al b: 0f 22 c0 mov %ax,%cr0 e: eb 00 jmp 0x10 10: b8 08 00 mov $0x08,%ax 13: 8e d8 mov %ax,%ds 15: 8e c0 mov %ax,%es 17: 8e d0 mov %ax,%ss 19: 66 2e a1 54 00 mov %cs:0x54,%ax Jung-uk Kim
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