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Date: Sun, 28 Oct 2001 08:35:03 -0700 (PST)
From: John Baldwin <jhb@FreeBSD.org>
To: Akira Funahashi <funa@funa.org>
Cc: acpi-jp@jp.freebsd.org
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Subject: [acpi-jp 1390] RE: Libretto L2
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On 28-Oct-01 Akira Funahashi wrote:
> Takanori Watanabe <takawata@shidahara1.planet.sci.kobe-u.ac.jp> wrote:
>> >It still cause a kernel panic on vm_zone.c:504. I don't know what has
>> >changed since Oct 16, but my laptop won't show the prompt when it came
>> >back from S3 state anymore.
>> 
>> Remove WITNESS option then try and tell the result, please.
> 
> Sure. I've cvsup'ed again because I've failed to upgrade my
> userland ;-) and removed the WITNESS option, and then tried
> "acpiconf -s 3".
> 
>   ======== acpi_printcpu() debug dump ========
>   gdt[0077:c0343620] idt[0407:c033d3e0] ldt[0028] tr[0020] efl[00000002]
>   eax[00000008] ebx[00000000] ecx[00008000] edx[00008627]
>   esi[c06de600] edi[c74aaf0c] ebp[c814eb10] esp[c814eaf4]
>   cr0[e005003b] cr2[280a41d4] cr3[0605d000] cr4[00000011]
>   cs[0008] ds[0010] es[0010] fs[0018] gs[002f] ss[0010]
>   ata0: resetting devices .. ad0: timeout waiting to give command=ef s=80
> e=00
>   ad0: timeout waiting to give command=ef s=80 e=00
>   ad0: timeout waiting to give command=ef s=80 e=00
>   ad0: timeout waiting to give command=ef s=80 e=00
>   done
>   ata1: resetting devices .. done
> 
>   Fatal trap 12: page fault while in vm86 mode
>   fault virtual address   = 0xa00
>   fault code              = user read, page not present
>   instruction pointer     = 0x0:0xa00
>   stack pointer           = 0x0:0xffe
>   frame pointer           = 0x0:0x0
>   code segment            = base 0x0, limit 0x0, type 0x0
>                           = DPL 0, pres 0, def32 0, gran 0
>   processor eflags        = interrupt enabled, resume, vm86, IOPL = 0
>   current process         = 356 (acpiconf)
>   krenel: type 12 trap, code=0
>   Stopped at      0xa00:

Is this like the original panic?  Can you get a stack trace from ddb?  (Not
that will likely do anygood as it seems you have all sorts of hosed registers
including the stack pointer, so forget the traceback.)  vm86 mode?  Hmm, no
ideas on this one. :(

> -- 
> Akira Funahashi/[funa@funa.org]

-- 

John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/
