Panic with 5.4-RELEASE when typing on console?

[Scott Ullrich]

Hi,  

I cvsupped a bit ago and now when I type on the console I get a panic:

root at builder# kgdb kernel.debug vmcore.57
[GDB will not be able to debug user-mode threads:
/usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
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This GDB was configured as "i386-marcel-freebsd".
#0  doadump () at pcpu.h:159
159     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) backtrace
#0  doadump () at pcpu.h:159
#1  0xc066e6b7 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:410
#2  0xc066ea0d in panic (fmt=0xc08d2844 "from debugger")
    at /usr/src/sys/kern/kern_shutdown.c:566
#3  0xc049d23d in db_panic (addr=174, have_addr=0, count=-1,
    modif=0xc7291ad0 "") at /usr/src/sys/ddb/db_command.c:435
#4  0xc049d1d4 in db_command (last_cmdp=0xc09b6b24, cmd_table=0x0,
    aux_cmd_tablep=0xc092b7fc, aux_cmd_tablep_end=0xc092b818)
    at /usr/src/sys/ddb/db_command.c:349
#5  0xc049d29c in db_command_loop () at /usr/src/sys/ddb/db_command.c:455
#6  0xc049ee35 in db_trap (type=12, code=0) at /usr/src/sys/ddb/db_main.c:221
#7  0xc068661f in kdb_trap (type=12, code=0, tf=0x1)
    at /usr/src/sys/kern/subr_kdb.c:468
#8  0xc0885b19 in trap_fatal (frame=0xc7291c64, eva=174)
    at /usr/src/sys/i386/i386/trap.c:812
#9  0xc0885877 in trap_pfault (frame=0xc7291c64, usermode=0, eva=174)
    at /usr/src/sys/i386/i386/trap.c:735
#10 0xc088546d in trap (frame=
      {tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = 13, tf_esi =
-1063218240, tf_ebp = -953606976, tf_isp = -953607024, tf_ebx =
-1056298496, tf_edx = -1066811620, tf_ecx = -1063473756, tf_eax = 13,
tf_trapno = 12, tf_err = 0, tf_eip = 174, tf_cs = 8, tf_eflags =
66050, tf_esp = -1064933159, tf_ss = 13})
    at /usr/src/sys/i386/i386/trap.c:425
---Type <return> to continue, or q <return> to quit---
#11 0xc08732da in calltrap () at /usr/src/sys/i386/i386/exception.s:140
#12 0x00000018 in ?? ()
#13 0x00000010 in ?? ()
#14 0x00000010 in ?? ()
#15 0x0000000d in ?? ()
#16 0xc0a093c0 in sc_devclass ()
#17 0xc7291cc0 in ?? ()
#18 0xc7291c90 in ?? ()
#19 0xc10a2a00 in ?? ()
#20 0xc069bf1c in ttylclose () at /usr/src/sys/kern/tty.c:1567
#21 0xc0856b18 in atkbd_intr (kbd=0xc0a093c0, arg=0x0)
    at /usr/src/sys/dev/kbd/atkbd.c:461
#22 0xc088fc2a in atkbd_isa_intr (arg=0x0) at /usr/src/sys/isa/atkbd_isa.c:177
#23 0xc065a069 in ithread_loop (arg=0xc0edee80)
    at /usr/src/sys/kern/kern_intr.c:547
#24 0xc0659105 in fork_exit (callout=0xc0659f10 <ithread_loop>,
    arg=0xc0edee80, frame=0xc7291d48) at /usr/src/sys/kern/kern_fork.c:791
#25 0xc087333c in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:209
(kgdb)

Has anyone seen this problem or could this be something on my end?

Scott