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