Subject: Help on crash dump
To: None <current-users@NetBSD.ORG>
From: Tom Pavel <pavel@MAILBOX.SLAC.Stanford.EDU>
List: current-users
Date: 09/14/1995 21:00:52
I'm probably SOL on this one, but I thought I'd ask before deleting my
crash dump. I have a -current (Sep ) i386 kernel, compiled without DDB and
without -g symbols. [I thought I could just compile it again with
DEBUG=-g, but that didn't seem to satisfy gdb...] This kernel crashed
while I was sending something to lpt0. My question is: is there any useful
info I can glean from what I have?
messages (from the crash dump):
--------------------------------------------------------
lpt0: stat=0x1 not zero
lpt0: stat=0x1 not zero
lpt0: stat=0x1 not zero
fatal page fault in supervisor mode
trap type 6 code f7bf0000 eip f816ef44 cs f8650008 eflags 10286 cr2
f8ccd000 cpl
e0000080
panic: trap
syncing disks... fatal page fault in supervisor mode
trap type 6 code f8c50000 eip f81242da cs f8120008 eflags 10286 cr2 18 cpl 0
panic: trap
--------------------------------------------------------
Stack trace from gdb -k:
--------------------------------------------------------
GDB 4.11 (i386-netbsd), Copyright 1993 Free Software Foundation, Inc...
(no debugging symbols found)...
panic: trap
#0 0xf8112c69 in mi_switch ()
(kgdb) where
#0 0xf8112c69 in mi_switch ()
#1 0xf81126c5 in tsleep ()
#2 0xf815d03c in scheduler ()
#3 0xf8109475 in main ()
--------------------------------------------------------
Thanks,
Tom Pavel
Stanford Linear Accelerator Center
pavel@slac.stanford.edu http://www.slac.stanford.edu/~pavel/