Hello,
On recently compiled kernels, I often get panics which seemed to be interrupt related.
Among other things, almost all of them claims that "Kernel trap 30", which seemd to be
strange.
The kernel I am currently running, namely,
FreeBSD servers.frontfree.net 5.1-CURRENT FreeBSD 5.1-CURRENT #5: Sat Oct 25 22:27:05
CST 2003 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/SERVERS i386
seemed to be ok, however, when I am trying the new kernels (you see, 14 compile and
run attempts:), it exhibits incredible instablity.
FreeBSD 5.1-CURRENT #19: Wed Nov 12 12:17:28 CST 2003
[EMAIL PROTECTED]:/usr/obj/usr/src/sys/SERVERS
Here is one of the crashdumps I caught. The machine was configured with a UP kernel,
with DEVICE_POLLING enabled. There are two networking adapters attached to it, a fxp
and a dc, and the machine itself act as a NAT gateway. The network load is not very
heavy. If you think the backtrace helpful, or need any more information, please write
me and I will try everything I can to help.
servers# gdb -k /usr/obj/usr/src/sys/SERVERS/kernel.debug 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-undermydesk-freebsd"...
panic: from debugger
panic messages:
---
panic: from debugger
Fatal trap 3: breakpoint instruction fault while in kernel mode
instruction pointer = 0x8:0xc0639654
stack pointer = 0x10:0xc6305a98
frame pointer = 0x10:0xc6305aa4
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = IOPL = 0
current process = 11 (idle)
panic: from debugger
Uptime: 23m22s
Dumping 63 MB
16 32 48
---
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
240 dumping++;
(kgdb) where
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
#1 0xc04e8b41 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:372
#2 0xc04e8ed7 in panic () at /usr/src/sys/kern/kern_shutdown.c:550
#3 0xc0464252 in db_panic () at /usr/src/sys/ddb/db_command.c:450
#4 0xc04641b2 in db_command (last_cmdp=0xc06cc440, cmd_table=0x0,
aux_cmd_tablep=0xc069d338,
aux_cmd_tablep_end=0xc069d33c) at /usr/src/sys/ddb/db_command.c:346
#5 0xc04642f5 in db_command_loop () at /usr/src/sys/ddb/db_command.c:472
#6 0xc04672e5 in db_trap (type=30, code=0) at /usr/src/sys/ddb/db_trap.c:73
#7 0xc063939c in kdb_trap (type=30, code=0, regs=0xc6305ca0) at
/usr/src/sys/i386/i386/db_interface.c:171
#8 0xc064cda6 in trap_fatal (frame=0xc6305ca0, eva=0) at
/usr/src/sys/i386/i386/trap.c:816
#9 0xc064c822 in trap (frame=
{tf_fs = 24, tf_es = 1075970064, tf_ds = -1636237296, tf_edi = 0, tf_esi =
-1059059840, tf_ebp = -969909024, tf_isp = -969909044, tf_ebx = -1059063048, tf_edx =
0, tf_ecx = 2, tf_eax = 0, tf_trapno = 30, tf_err = 0, tf_eip = -1067175531, tf_cs =
8, tf_eflags = 582, tf_esp = -969909016, tf_ss = -1067175489})
at /usr/src/sys/i386/i386/trap.c:618
#10 0xc063ad58 in calltrap () at {standard input}:94
#11 0xc06431bf in cpu_idle () at /usr/src/sys/i386/i386/machdep.c:1071
#12 0xc04d449c in idle_proc (dummy=0x0) at /usr/src/sys/kern/kern_idle.c:86
#13 0xc04d41d4 in fork_exit (callout=0xc04d4460 <idle_proc>, arg=0x0, frame=0x0)
at /usr/src/sys/kern/kern_fork.c:793
(kgdb) bt full
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
No locals.
#1 0xc04e8b41 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:372
No locals.
#2 0xc04e8ed7 in panic () at /usr/src/sys/kern/kern_shutdown.c:550
td = (struct thread *) 0xc0e00780
bootopt = 260
newpanic = 0
ap = 0xc6305ae0 "\230[0æAFç2251d?
buf = "from debugger", '\0' <repeats 242 times>
#3 0xc0464252 in db_panic () at /usr/src/sys/ddb/db_command.c:450
No locals.
#4 0xc04641b2 in db_command (last_cmdp=0xc06cc440, cmd_table=0x0,
aux_cmd_tablep=0xc069d338,
aux_cmd_tablep_end=0xc069d33c) at /usr/src/sys/ddb/db_command.c:346
cmd = (struct command *) 0xc06658c0
t = 0
modif =
"\0èç\231r?[0èr\0\0\0çqçr\0\0\0\001\0\0\0H[0èéç200\214qçaK\0
$îçrpçèç\0\0\0çlç\231rç[0è`Fç\234hç200^Fç0\0\0\0\020\0\0\0h\231rçèæWFçèç200èç\0\0\0\020\0\0"
addr = -1067175531
count = -1
have_addr = 0
result = 0
#5 0xc04642f5 in db_command_loop () at /usr/src/sys/ddb/db_command.c:472
No locals.
#6 0xc04672e5 in db_trap (type=30, code=0) at /usr/src/sys/ddb/db_trap.c:73
bkpt = 0
#7 0xc063939c in kdb_trap (type=30, code=0, regs=0xc6305ca0) at
/usr/src/sys/i386/i386/db_interface.c:171
ef = 582
ddb_mode = 1
#8 0xc064cda6 in trap_fatal (frame=0xc6305ca0, eva=0) at
/usr/src/sys/i386/i386/trap.c:816
code = 16
type = 30
ss = 16
esp = 0
softseg = {ssd_base = 0, ssd_limit = 1048575, ssd_type = 27, ssd_dpl = 0,
ssd_p = 1, ssd_xx = 3,
---Type <return> to continue, or q <return> to quit---
ssd_xx1 = 2, ssd_def32 = 1, ssd_gran = 1}
#9 0xc064c822 in trap (frame=
{tf_fs = 24, tf_es = 1075970064, tf_ds = -1636237296, tf_edi = 0, tf_esi =
-1059059840, tf_ebp = -969909024, tf_isp = -969909044, tf_ebx = -1059063048, tf_edx =
0, tf_ecx = 2, tf_eax = 0, tf_trapno = 30, tf_err = 0, tf_eip = -1067175531, tf_cs =
8, tf_eflags = 582, tf_esp = -969909016, tf_ss = -1067175489})
at /usr/src/sys/i386/i386/trap.c:618
td = (struct thread *) 0xc0e00780
p = (struct proc *) 0xc0dffaf8
sticks = 3235907456
i = 0
ucode = 0
type = 30
code = 0
eva = 0
#10 0xc063ad58 in calltrap () at {standard input}:94
No locals.
#11 0xc06431bf in cpu_idle () at /usr/src/sys/i386/i386/machdep.c:1071
No locals.
#12 0xc04d449c in idle_proc (dummy=0x0) at /usr/src/sys/kern/kern_idle.c:86
p = (struct proc *) 0xc0dffaf8
td = (struct thread *) 0xc0e00780
#13 0xc04d41d4 in fork_exit (callout=0xc04d4460 <idle_proc>, arg=0x0, frame=0x0)
at /usr/src/sys/kern/kern_fork.c:793
p = (struct proc *) 0xc0dffaf8
td = (struct thread *) 0x0
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