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Date: Thu, 04 Jul 2002 12:03:42 +0900 (JST)
Message-Id: <20020704.120342.38720157.iwasaki@jp.FreeBSD.org>
To: shizukakudo_99@yahoo.com
Cc: freebsd-current@freebsd.org, acpi-jp@jp.FreeBSD.org
From: Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org>
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Subject: [acpi-jp 1661] Re: ASUS CUSL2 panic on acpi
Errors-To: owner-acpi-jp@jp.FreeBSD.org
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X-Originator: iwasaki@jp.FreeBSD.org

Not fixed yet, just a intermediate report...

> > acpi0: <ASUS   CUSL2   > on motherboard
> > 
> > 
> > Fatal trap 12: page fault while in kernel mode
> > fault virtual address   = 0x16
> > fault code              = supervisor read, page not present
> > instruction pointer     = 0x8:0xc04f9aca
> > stack pointer           = 0x10:0xc054ea14
> > frame pointer           = 0x10:0xc054ea34
> > code segment            = base 0x0, limit 0xfffff, type 0x1b
> >                         = DPL 0, pres 1, def32 1, gran 1
> > processor eflags        = interrupt enabled, resume, IOPL = 0
> > current process         = 0 (swapper)
> > kernel: type 12 trap, code=0
> > Stopped at      AcpiExReadDataFromField+0x5a:   movzbl  0x16(%eax),%eax
> > db> trace
> > AcpiExReadDataFromField(c0f00400,c25da200,c054ea50,c25e50c0,0) at AcpiExReadDataFromField+0x5a

# if my understanding on i386 asm is correct,
I think this is at (exfield.c):
203:    if (WalkState->MethodNode->Flags & ANOBJ_DATA_WIDTH_32)
where WalkState->MethodNode is NULL, this caused page fault.

I'm waiting for further debug info. but I'll try to find where
WalkState->MethodNode suppose to be set...

Thanks
