Another panic

FreeBSD bogushost2 5.1-CURRENT FreeBSD 5.1-CURRENT #7: Tue Nov 18 18:36:56 EST 2003     root_at_bogushost2:/usr/obj/usr/src/sys/ARL5KERNEL  i386

Another panic that occured just after loading and attempting to play an audio CD:

(kgdb) bt
#0  doadump () at /usr/src/sys/kern/kern_shutdown.c:240
#1  0xc04c81b4 in boot (howto=0x100) at /usr/src/sys/kern/kern_shutdown.c:372
#2  0xc04c8558 in panic () at /usr/src/sys/kern/kern_shutdown.c:550
#3  0xc05eaf9c in trap_fatal (frame=0xd87e8c28, eva=0x0) at /usr/src/sys/i386/i386/trap.c:821
#4  0xc05eac62 in trap_pfault (frame=0xd87e8c28, usermode=0x0, eva=0x1c) at /usr/src/sys/i386/i386/trap.c:735
#5  0xc05ea7fd in trap (frame=
      {tf_fs = 0xc0c30018, tf_es = 0xc44a0010, tf_ds = 0xc44a0010, tf_edi = 0x0, tf_esi = 0xc44a9d00, tf_ebp = 0xd87e8c80, tf_isp = 0xd87e8c54, tf_ebx = 0xc44985a0, tf_edx = 0x0, tf_ecx = 0xc0658844, tf_eax = 0x1, tf_trapno = 0xc, tf_err = 0x0, tf_eip = 0xc04e4b53, tf_cs = 0x8, tf_eflags = 0x10207, tf_esp = 0xd87e8c98, tf_ss = 0xc048f6ae})
    at /usr/src/sys/i386/i386/trap.c:420
#6  0xc05dc758 in calltrap () at {standard input}:94
#7  0xc0494058 in g_destroy_provider (pp=0xc44985a0) at /usr/src/sys/geom/geom_subr.c:426
#8  0xc0491015 in g_orphan_register (pp=0xc44a9d00) at /usr/src/sys/geom/geom_event.c:143
#9  0xc049113c in one_event () at /usr/src/sys/geom/geom_event.c:169
#10 0xc0491365 in g_run_events () at /usr/src/sys/geom/geom_event.c:202
#11 0xc0492385 in g_event_procbody () at /usr/src/sys/geom/geom_kern.c:134
#12 0xc04b14b0 in fork_exit (callout=0xc0492360 <g_event_procbody>, arg=0x0, frame=0x0)
    at /usr/src/sys/kern/kern_fork.c:793