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Date:      Fri, 18 Oct 2002 12:12:29 +0200
From:      Alexander Leidinger <Alexander@Leidinger.net>
To:        current@freebsd.org
Subject:   page fault while in vm86 mode
Message-ID:  <20021018121229.1bff0d43.Alexander@Leidinger.net>

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Hi,

this is -current as of Oct 8.

Fatal trap 12: page fault while in vm86 mode
fault virtual address   = 0xc4182
fault code              = user read, page not present
instruction pointer     = 0xc000:0x4182
stack pointer           = 0x0:0xfc0
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         = 22592 (XFree86)
trap number             = 12
panic: page fault
Uptime: 2d5h9m25s
Dumping 639 MB
[...]
(kgdb) bt
#0  doadump () at ../../../kern/kern_shutdown.c:224
#1  0xc019a9c4 in boot (howto=260) at ../../../kern/kern_shutdown.c:356
#2  0xc019ade2 in panic (fmt=0xc029a1f1 "panic: %s\n")
    at ../../../kern/kern_shutdown.c:509
#3  0xc02652a2 in trap_fatal (frame=0xc0545fa8, eva=803202)
    at ../../../i386/i386/trap.c:847
#4  0xc0265055 in trap_pfault (frame=0xc0545fa8, usermode=0, eva=803202)
    at ../../../i386/i386/trap.c:761
#5  0xc0264c83 in trap (frame=
      {tf_fs = 0, tf_es = 0, tf_ds = 0, tf_edi = 19158, tf_esi = 19170, tf_ebp = 0, tf_isp = -1068212268, tf_ebx = 1, tf_edx = 980, tf_ecx = 24, tf_eax = 33537, tf_trapno = 12, tf_err = 4, tf_eip = 16770, tf_cs = 49152, tf_eflags = 721410, tf_esp = 4032, tf_ss = 0}) at ../../../i386/i386/trap.c:447

This doesn't look much to me. I'm used to see more frames here. What can I do
do debug this further?

Bye,
Alexander.

-- 
            Give a man a fish and you feed him for a day;
     teach him to use the Net and he won't bother you for weeks.

http://www.Leidinger.net                       Alexander @ Leidinger.net
  GPG fingerprint = C518 BC70 E67F 143F BE91  3365 79E2 9C60 B006 3FE7

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