Re: 5.2-RC1 panic while ripping CD

From: Benjamin Lutz <benlutz_at_datacomm.ch>
Date: Mon, 15 Dec 2003 20:26:36 +0100
> A traceback would be nice.  Eitehr take a crashdump


Ok, managed to produce it:

maxlor_at_merlin/usr/src/sys/i386/compile/MERLIN$ sudo gdb -k kernel.debug
/usr/crash/vmcore.1
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     = 0x8:0xc0555f18
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... 939 939 938 938 938 938 938 938 938
938 938 938 938 938 938 938 938 938 938 938 938 938 giving up on 681
buffers Uptime: 10m46s
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  0xc0539d9b in doadump ()
(kgdb) backtrace
#0  0xc0539d9b in doadump ()
#1  0xc053a41a in boot ()
#2  0xc053a798 in panic ()
#3  0xc06b2f0e in trap_fatal ()
#4  0xc06b2c23 in trap_pfault ()
#5  0xc06b2805 in trap ()
#6  0xc06a4f48 in calltrap ()
#7  0xc0503428 in g_destroy_provider ()
#8  0xc050058d in g_orphan_register ()
#9  0xc050069c in one_event ()
#10 0xc05008b8 in g_run_events ()
#11 0xc0501845 in g_event_procbody ()
#12 0xc052476f in fork_exit ()
(kgdb)


Benjamin

Received on Mon Dec 15 2003 - 10:26:44 UTC

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