Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 2 Dec 1998 11:20:57 -0800 (PST)
From:      Matthew Dillon <dillon@apollo.backplane.com>
To:        Steve Kargl <sgk@troutmask.apl.washington.edu>
Cc:        green@unixhelp.org, freebsd-current@FreeBSD.ORG
Subject:   Re: Crash dump howto?
Message-ID:  <199812021920.LAA18143@apollo.backplane.com>
References:   <199812021801.KAA55752@troutmask.apl.washington.edu>

next in thread | previous in thread | raw e-mail | index | archive | help
:db>panic
:panic: from debugger
:...
:mp_lock = 01000002; cpuid = 1; lapic.id = 00000000
:boot() called on CPU #1
:(da1:ahc0:0:2:0) SYNCHRONIZE CACHE.  CDB: 35 0 0 0 0 0 0 0 0 0
:(da1:ahc0:0:2:0) error code 0
:
:dumping to dev 409, offset 907232
:
:Fatal trap 12: page fault while in kernel mode
:mp_lock = 01000003; cpuid = 1; lapic.id = 00000000
:fault virtual address     = 0x20
:fault code                = supervisor read, page not present
:instruction pointer       = 0x8:0x20
:stack pointer             = 0x10:0xf9232998
:frame pointer             = 0x10:0x0
:code segment              = base 0x0, limit 0xfffff, type 0x1b
:                          = DPL 0, pres 1, def32, 1, gran 1
:process eflags            = interrupt enabled, resume, IOPL = 0
:current process           = 95350 (procmail)
:interrupt mask            = net tty bio cam   <- SMP: XXX
:kernel: type 12 trap, code = 0
:Stopped at _Debugger+0x35:   movb $0,_in_Debugger.98
:db> panic
:
:Reach for reset button.

    Oh, this is bad... it tried to dump but got a page fault while
    trying to dump.  That pretty much does it in.

    You could try attaching a debugger over the serial console, but 
    I have never done that myself so I can't give exact instructions.

						-Matt
:-- 
:Steve
:
:finger kargl@troutmask.apl.washington.edu
:http://troutmask.apl.washington.edu/~clesceri/kargl.html
:
:To Unsubscribe: send mail to majordomo@FreeBSD.org
:with "unsubscribe freebsd-current" in the body of the message
:

    Matthew Dillon  Engineering, HiWay Technologies, Inc. & BEST Internet 
                    Communications & God knows what else.
    <dillon@backplane.com> (Please include original email in any response)    

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199812021920.LAA18143>