Hi,
I've got a panic by unplugging my NIC then plugging it again and then doing
a dhclient interface. I've attached some informations about the panic.
-- Aurélien
Script started on Tue Nov 26 20:17:13 2002
[m[27m[Jnebula# [K[47C/sys/i386/compile/NEBULA[71Dggdb -k
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-undermydesk-freebsd.
(kgdb) symbol-file kernel.debug
Reading symbols from kernel.debug...done.
(kgdb) exec-file /boot/kernel/kernel
(kgdb) core-file /var/crash/vmcore.0
panic: from debugger
panic messages:
---
panic: Most recently used by bus
panic: from debugger
Uptime: 2h0m15s
Dumping 123 MB
ata0: resetting devices ..
done
16 32 48 64 80 96 112
---
#0 doadump () at ../../../kern/kern_shutdown.c:232
232 dumping++;
(kgdb) bt
#0 doadump () at ../../../kern/kern_shutdown.c:232
#1 0xc0216bfe in boot (howto=260) at ../../../kern/kern_shutdown.c:364
#2 0xc0216e43 in panic () at ../../../kern/kern_shutdown.c:517
#3 0xc013bed2 in db_panic () at ../../../ddb/db_command.c:450
#4 0xc013be52 in db_command (last_cmdp=0xc039cee0, cmd_table=0x0,
aux_cmd_tablep=0xc0397a0c, aux_cmd_tablep_end=0xc0397a10)
at ../../../ddb/db_command.c:346
#5 0xc013bf66 in db_command_loop () at ../../../ddb/db_command.c:472
#6 0xc013ebfa in db_trap (type=3, code=0) at ../../../ddb/db_trap.c:72
#7 0xc032eed2 in kdb_trap (type=3, code=0, regs=0xc9077910)
at ../../../i386/i386/db_interface.c:166
#8 0xc033fabf in trap (frame=
{tf_fs = -1061945320, tf_es = -922288112, tf_ds = -1071644656, tf_edi =
-1045057088, tf_esi = 256, tf_ebp = -922257060, tf_isp = -922257092, tf_ebx = 0,
tf_edx = 0, tf_ecx = 3840, tf_eax = 18, tf_trapno = 3, tf_err = 0, tf_eip =
-1070403212, tf_cs = 8, tf_eflags = 658, tf_esp = -1070001757, tf_ss = -1070110374})
at ../../../i386/i386/trap.c:603
#9 0xc03306a8 in calltrap () at {standard input}:98
#10 0xc0216e2b in panic (fmt=0x0) at ../../../kern/kern_shutdown.c:503
#11 0xc0311c4d in mtrash_ctor (mem=0xc1820800, size=0, arg=0x0)
at ../../../vm/uma_dbg.c:138
#12 0xc0310667 in uma_zalloc_arg (zone=0xc0b4c3c0, udata=0x0, flags=0)
at ../../../vm/uma_core.c:1358
#13 0xc020b626 in malloc (size=6, type=0xc03c14e0, flags=0)
---Type return to continue, or q return to quit---
at ../../../kern/kern_malloc.c:182
#14 0xc01f1b73 in exec_elf32_imgact (imgp=0xc9077b88) at imgact_elf.c:804
#15 0xc01feae2 in kern_execve (td=0xc1b5b1c0, fname=---Can't read userspace from dump,
or kernel process---
)
at ../../../kern/kern_exec.c:313
#16 0xc01ff570 in execve (td=0x0, uap=0x0) at ../../../kern/kern_exec.c:694
#17 0xc034039e in syscall (frame=
{tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 135274340, tf_esi = 135274500,
tf_ebp = -1077938104, tf_isp = -922256012, tf_ebx = 0, tf_edx = 135274500, tf_ecx =
135274500, tf_eax = 59, tf_trapno = 12, tf_err = 2, tf_eip = 134723367, tf_cs = 31,
tf_eflags = 646, tf_esp = -1077938132, tf_ss = 47})
at ../../../i386/i386/trap.c:1033
#18 0xc03306fd in Xint0x80_syscall () at {standard input}:140
---Can't read userspace from dump, or kernel process---
(kgdb) frame 11
#11 0xc0311c4d in mtrash_ctor (mem=0xc1820800, size=0, arg=0x0)
at ../../../vm/uma_dbg.c:138
138 panic(Most recently used by %s\n, (*ksp == NULL)?
(kgdb) list
133
134 for (p = mem; cnt 0; cnt--, p++)
135 if (*p != uma_junk) {
136 printf(Memory modified after free %p(%d)\n,
137 mem, size);
138 panic(Most recently used by %s\n, (*ksp == NULL)?
139 none : (*ksp)-ks_shortdesc);
140 }
141 }
142
(kgdb) p p
$1 = (u_int32_t *) 0x0
(kgdb) p uma_junk
$2 = 3735929054
(kgdb) quit
[m[27m[Jnebula# [K[47C/sys/i386/compile/NEBULA[71Deexit
Script done on Tue Nov 26 20:18:30 2002
msg47532/pgp0.pgp
Description: PGP signature
