Re: 5.2-RC1 panic while ripping CD

Wow... I finally managed. Took some recompiling, and trial and error,
but below is the more meaningful gdb output. Hope this helps.

des: oops sorry clicked the wrong reply button...

Benjamin

Script started on Tue Dec 16 21:55:28 2003
root_at_merlin/usr/obj/usr/src/sys/MERLIN>	gdb -k ./kernel.debug
/usr/crash/vmcore.0 GNU gdb 5.2.1 (FreeBSD)
Copyright 2002 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you
are welcome to change it and/or distribute copies of it under certain
conditions. Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for
details. This GDB was configured as "i386-unknown-freebsd"...
panic: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address	= 0x1c
fault code		= supervisor read, page not present
instruction pointer	= 0x8:0xc0558758
stack pointer	        = 0x10:0xe1e8fc88
frame pointer	        = 0x10:0xe1e8fc9c
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, def32 1, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 2 (g_event)
trap number		= 12
panic: page fault

syncing disks, buffers remaining... 938 938 938 938 938 938 938 938 938
938 938 938 938 938 938 938 938 938 938 938 giving up on 677 buffers
Uptime: 2m41s
Dumping 1023 MB
 16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304
320 336 352 368 384 400 416 432 448 464 480 496 512 528 544 560 576 592
608 624 640 656 672 688 704 720 736 752 768 784 800 816 832 848 864 880
896 912 928 944 960 976 992 1008---
#0  doadump () at /usr/src/sys/kern/kern_shutdown.c:240
240		dumping++;
(kgdb) backtrace
#0  doadump () at /usr/src/sys/kern/kern_shutdown.c:240
#1  0xc053cc5a in boot (howto=256) at
#/usr/src/sys/kern/kern_shutdown.c:372 2  0xc053cfd8 in panic () at
#/usr/src/sys/kern/kern_shutdown.c:550 3  0xc06da34e in trap_fatal
#(frame=0xe1e8fc48, eva=0) at /usr/src/sys/i386/i386/trap.c:821 4 
#0xc06da063 in trap_pfault (frame=0xe1e8fc48, usermode=0, eva=28) at
#/usr/src/sys/i386/i386/trap.c:735 5  0xc06d9c45 in trap (frame=
      {tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = 0, tf_esi =
-961070720, tf_ebp = -504824676, tf_isp = -504824716, tf_ebx =
-960601632, tf_edx = 0, tf_ecx = -1065923996, tf_eax = 1, tf_trapno =
12, tf_err = 0, tf_eip = -1068136616, tf_cs = 8, tf_eflags = 66051,
tf_esp = -1068493486, tf_ss = -960118656}) at
/usr/src/sys/i386/i386/trap.c:420
#6  0xc06cc388 in calltrap () at {standard input}:94
#7  0xc0505c68 in g_destroy_provider (pp=0xc6be61e0) at
#/usr/src/sys/geom/geom_subr.c:426 8  0xc0502dcd in g_orphan_register
#(pp=0xc6b73980) at /usr/src/sys/geom/geom_event.c:143 9  0xc0502edc in
#one_event () at /usr/src/sys/geom/geom_event.c:169 10 0xc05030f8 in
#g_run_events () at /usr/src/sys/geom/geom_event.c:202 11 0xc0504085 in
#g_event_procbody () at /usr/src/sys/geom/geom_kern.c:134 12 0xc0526faf
#in fork_exit (callout=0xc0504060 <g_event_procbody>, arg=0x0,
#frame=0x0) at /usr/src/sys/kern/kern_fork.c:793
(kgdb) up 7
#7  0xc0505c68 in g_destroy_provider (pp=0xc6be61e0) at
#/usr/src/sys/geom/geom_subr.c:426
426		devstat_remove_entry(pp->stat);
(kgdb) quit
root_at_merlin/usr/obj/usr/src/sys/MERLIN> exit

Script done on Tue Dec 16 21:56:12 2003