Date: Mon, 10 Nov 2003 13:37:23 -0600 From: Larry Rosenman <ler@lerctr.org> To: freebsd-current@freebsd.org Subject: INPCB panic.... Message-ID: <22330000.1068493043@lerlaptop-red.iadfw.net>
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I removed my wi0 card (with DHCLIENT running), and got the following panic=20
on a -CURRENT from yesterday:
Script started on Mon Nov 10 13:23:10 2003
lerlaptop-red# k??[K??
lerlaptop-red# gdb -k kernel.0 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=20
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-undermydesk-freebsd"...
panic: from debugger
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address =3D 0xc5157040
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xc06165ba
stack pointer =3D 0x10:0xe1831af4
frame pointer =3D 0x10:0xe1831b38
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 1278 (dhclient)
Fatal trap 12: page fault while in kernel mode
fault virtual address =3D 0xc5157040
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xc06165ba
stack pointer =3D 0x10:0xe1831af4
frame pointer =3D 0x10:0xe1831b38
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 1278 (dhclient)
Fatal trap 12: page fault while in kernel mode
fault virtual address =3D 0xc5157040
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xc06165ba
stack pointer =3D 0x10:0xe1831af4
frame pointer =3D 0x10:0xe1831b38
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 1278 (dhclient)
Fatal trap 12: page fault while in kernel mode
fault virtual address =3D 0xc5157040
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xc06165ba
stack pointer =3D 0x10:0xe1831af4
frame pointer =3D 0x10:0xe1831b38
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 1278 (dhclient)
Fatal trap 12: page fault while in kernel mode
fault virtual address =3D 0xc5157040
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xc06165ba
stack pointer =3D 0x10:0xe1831af4
frame pointer =3D 0x10:0xe1831b38
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 1278 (dhclient)
Fatal trap 12: page fault while in kernel mode
fault virtual address =3D 0xc5157040
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xc06165ba
stack pointer =3D 0x10:0xe1831af4
frame pointer =3D 0x10:0xe1831b38
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 1278 (dhclient)
panic: from debugger
Fatal trap 3: breakpoint instruction fault while in kernel mode
instruction pointer =3D 0x8:0xc06e4d34
stack pointer =3D 0x10:0xe1831874
frame pointer =3D 0x10:0xe1831880
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D IOPL =3D 0
current process =3D 1278 (dhclient)
panic: from debugger
Uptime: 4h10m1s
Dumping 503 MB
16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304 320=20
336 352 368 384 400 416 432 448 464 480 496
---
Reading symbols from=20
/usr/obj/usr/src/sys/LERLAPTOP/modules/usr/src/sys/modules/linux/linux.ko.d
ebug...done.
Loaded symbols for=20
/usr/obj/usr/src/sys/LERLAPTOP/modules/usr/src/sys/modules/linux/linux.ko.d
ebug
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
240 dumping++;
(kgdb) bt
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
#1 0xc0588f02 in boot (howto=3D260) at =
/usr/src/sys/kern/kern_shutdown.c:372
#2 0xc0589237 in panic () at /usr/src/sys/kern/kern_shutdown.c:550
#3 0xc04720a2 in db_panic () at /usr/src/sys/ddb/db_command.c:450
#4 0xc0472002 in db_command (last_cmdp=3D0xc07ae580, cmd_table=3D0x0,
aux_cmd_tablep=3D0xc075e58c, aux_cmd_tablep_end=3D0xc075e590)
at /usr/src/sys/ddb/db_command.c:346
#5 0xc0472145 in db_command_loop () at /usr/src/sys/ddb/db_command.c:472
#6 0xc0475145 in db_trap (type=3D12, code=3D0) at =
/usr/src/sys/ddb/db_trap.c:73
#7 0xc06e4a7c in kdb_trap (type=3D12, code=3D0, regs=3D0xe1831ab4)
at /usr/src/sys/i386/i386/db_interface.c:171
#8 0xc06f7b86 in trap_fatal (frame=3D0xe1831ab4, eva=3D0)
at /usr/src/sys/i386/i386/trap.c:816
#9 0xc06f7852 in trap_pfault (frame=3D0xe1831ab4, usermode=3D0, =
eva=3D3306516544)
at /usr/src/sys/i386/i386/trap.c:735
#10 0xc06f7435 in trap (frame=3D
{tf_fs =3D 24, tf_es =3D 16, tf_ds =3D 16, tf_edi =3D 0, tf_esi =3D =
-33322801,=20
tf_ebp =3D -511501512, tf_isp =3D -511501600, tf_ebx =3D -996562916, tf_edx =
=3D=20
-988424704, tf_ecx =3D -996562976, tf_eax =3D -988450816, tf_trapno =3D 12, =
tf_err =3D 0, tf_eip =3D -1067358790, tf_cs =3D 8, tf_eflags =3D 66182, =
tf_esp =3D=20
-1043464832, tf_ss =3D -1067974221}) at /usr/src/sys/i386/i386/trap.c:420
#11 0xc06e6478 in calltrap () at {standard input}:94
#12 0xc062c102 in udp_output (inp=3D0xc499a7e0, m=3D0xc1cf4800,=20
addr=3D0xc47d1380,
---Type <return> to continue, or q <return> to quit---
control=3D0xfe0388cf, td=3D0xc4d5ab40) at=20
/usr/src/sys/netinet/udp_usrreq.c:779
#13 0xc062cad7 in udp_send (so=3D0x0, flags=3D0, m=3D0xc1cf4800, =
addr=3D0x0,
control=3D0x0, td=3D0x0) at /usr/src/sys/netinet/udp_usrreq.c:1044
#14 0xc05c177d in sosend (so=3D0xc4998dd0, addr=3D0xc47d1380, =
uio=3D0xe1831c48,
top=3D0xc1cf4800, control=3D0x0, flags=3D0, td=3D0xc4d5ab40)
at /usr/src/sys/kern/uipc_socket.c:715
#15 0xc05c5c6c in kern_sendit (td=3D0xc4d5ab40, s=3D5, mp=3D0xe1831cc0, =
flags=3D0,
control=3D0x0) at /usr/src/sys/kern/uipc_syscalls.c:722
#16 0xc05c5abe in sendit (td=3D0x0, s=3D0, mp=3D0xe1831cc0, flags=3D0)
at /usr/src/sys/kern/uipc_syscalls.c:662
#17 0xc05c5dfb in sendto (td=3D0x0, uap=3D0x0)
at /usr/src/sys/kern/uipc_syscalls.c:783
#18 0xc06f7ed0 in syscall (frame=3D
{tf_fs =3D 47, tf_es =3D 47, tf_ds =3D 47, tf_edi =3D 135203427, =
tf_esi =3D=20
135390029, tf_ebp =3D -1077946280, tf_isp =3D -511500940, tf_ebx =3D =
-1077945840,=20
tf_edx =3D 135581776, tf_ecx =3D 0, tf_eax =3D 133, tf_trapno =3D 0, tf_err =
=3D 2,=20
tf_eip =3D 134802611, tf_cs =3D 31, tf_eflags =3D 646, tf_esp =3D =
-1077946324,=20
tf_ss =3D 47})
at /usr/src/sys/i386/i386/trap.c:1010
#19 0xc06e64cd in Xint0x80_syscall () at {standard input}:136
---Can't read userspace from dump, or kernel process---
(kgdb) quit
lerlaptop-red# ^D??exit
Script done on Mon Nov 10 13:23:44 2003
I have the core and kernel available if some kind soul wants it...
LER
--=20
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 972-414-9812 E-Mail: ler@lerctr.org
US Mail: 1905 Steamboat Springs Drive, Garland, TX 75044-6749
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