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Date:      Sat, 19 Apr 1997 10:50:02 -0700 (PDT)
From:      Daniel Ortmann <ortmann@sparc.isl.net>
To:        freebsd-bugs
Subject:   Re: kern/3328: another kernel panic
Message-ID:  <199704191750.KAA28316@freefall.freebsd.org>

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The following reply was made to PR kern/3328; it has been noted by GNATS.

From: Daniel Ortmann <ortmann@sparc.isl.net>
To: joerg_wunsch@uriah.heep.sax.de
Cc: ortmann@sparc.isl.net, FreeBSD-gnats-submit@freebsd.org
Subject: Re: kern/3328: another kernel panic
Date: Sat, 19 Apr 1997 00:57:03 -0500 (CDT)

 > As Daniel Ortmann wrote:
 > 
 > > Here's the panic message; I recognize it from previous panics:
 > 
 > Worthless as it stands...
 > 
 > > panic: page fault
 > > 
 > > syncing disks...
 > > 
 > > Fatal trap 12: page fault while in kernel mode
 > > fault virtual address	= 0x44
 > > fault code	= supervisor read, page not present
 > > instruction pointer	= 0x8:0xf010d510
 > 
 > 	nm /kernel | sort | more
 > 
 > and lookup the function corresponding to 0xf010d510.
 
 Point taken.  Here's more information.  Does this help?
 
 f010cf34 T _lkmexists
 f010cf94 t __lkm_syscall
 f010d08c t __lkm_vfs
 f010d1f4 t __lkm_dev
 f010d2f8 t __lkm_exec
 f010d3c4 t _lkm_exec_dummy1
 f010d3cc t _lkm_exec_dummy2
 f010d3d4 t _lkm_exec_dummy3
 f010d3dc t _lkm_exec_dummy4
 f010d3e4 t ___set_execsw_set_sym_lkm_exec_dummy1
 f010d3e8 t ___set_execsw_set_sym_lkm_exec_dummy2
 f010d3ec t ___set_execsw_set_sym_lkm_exec_dummy3
 f010d3f0 t ___set_execsw_set_sym_lkm_exec_dummy4
 f010d3f4 T _lkmdispatch
 f010d47c T _lkm_nullcmd
 f010d484 t _lkm_drvinit
 f010d4b8 t ___set_sysinit_set_sym_lkmdev_sys_init
 f010d4c0 F kern_lock.o
 f010d4c0 T _lockinit
 f010d508 T _lockstatus        <<<=== this appears to be the function.
 f010d634 T _lockmgr
 f010db88 T _lockmgr_printinfo
 f010dbf0 F kern_lockf.o
 f010dbf0 T _lf_advlock
 f010dd8c t _lf_setlock
 f010e0f8 t _lf_clearlock
 
 > p.s.: I think filing PRs for a quickly moving -current shouldn't be
 > your first reaction.  Better report it to the freebsd-current mailing
 > list, including the panic information, and only file a PR if no short-
 > term solution will be seen.  Also, always report the exact source date
 > for -current.
 
 Point again taken; I'll resubscribe to the list, mea culpa.  (I've
 been impressed with the stability of -current and when I began seeing
 this panic persistenly ... that's when I decided to send it.)
 
 The source date had all of the available ctm patches applied and
 was entirely built using make world followed by a kernel rebuild
 completed on Sunday, April 13, 1997 at 2am.
 
 -- 
 Daniel Ortmann       507.288.7732 (h)  ortmann@isl.net
 2414 30 av NW, #D    507.253.6795 (w)  ortmann@vnet.ibm.com
 Rochester, MN 55901  "PERL: The Swiss Army Chainsaw"


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