[PANIC]

6.0-CURRENT FreeBSD 6.0-CURRENT #0: Tue Apr  5 12:19:35 PDT 2005

[GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"]
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#0  doadump () at pcpu.h:164
164		__asm __volatile("movl %%fs:0,%0" : "=r" (td));
(kgdb) where
#0  doadump () at pcpu.h:164
#1  0xc04dc1d2 in boot (howto=260) at ../../../kern/kern_shutdown.c:398
#2  0xc04dc583 in panic (fmt=0xc065a072 "%s")
    at ../../../kern/kern_shutdown.c:554
#3  0xc0637a84 in trap_fatal (frame=0xf04e9b24, eva=0)
    at ../../../i386/i386/trap.c:806
#4  0xc0637758 in trap_pfault (frame=0xf04e9b24, usermode=0, eva=0)
    at ../../../i386/i386/trap.c:724
#5  0xc0637340 in trap (frame=
      {tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = -263283796, tf_esi = 0, tf_ebp = -263283824, tf_isp = -263283888, tf_ebx = 100, tf_edx = 0, tf_ecx = 25, tf_eax = -263283796, tf_trapno = 12, tf_err = 0, tf_eip = -1067230870, tf_cs = 8, tf_eflags = 66066, tf_esp = -1012421576, tf_ss = 128})
    at ../../../i386/i386/trap.c:414
#6  0xc062408a in calltrap () at ../../../i386/i386/exception.s:139
#7  0x00000018 in ?? ()
#8  0x00000010 in ?? ()
#9  0x00000010 in ?? ()
#10 0xf04e9bac in ?? ()
#11 0x00000000 in ?? ()
#12 0xf04e9b90 in ?? ()
#13 0xf04e9b50 in ?? ()
#14 0x00000064 in ?? ()
#15 0x00000000 in ?? ()
#16 0x00000019 in ?? ()
#17 0xf04e9bac in ?? ()
#18 0x0000000c in ?? ()
#19 0x00000000 in ?? ()
#20 0xc063596a in generic_bcopy () at ../../../i386/i386/support.s:489
#21 0xc3a7ac38 in ?? ()
#22 0x00000080 in ?? ()
#23 0xc05199fa in q_to_b (clistp=0xc063596a, dest=0xf04e9bac "C", amount=100)
    at ../../../kern/tty_subr.c:290
#24 0xc0518d95 in ptcread (dev=0x0, uio=0xf04e9c80, flag=4) at libkern.h:56
#25 0xc049a806 in devfs_read_f (fp=0xc354a1b0, uio=0xf04e9c80, 
    cred=0xc4295c00, flags=0, td=0xc3425450)
    at ../../../fs/devfs/devfs_vnops.c:943
#26 0xc0504aa2 in dofileread (td=0xc3425450, fp=0xc354a1b0, fd=0, buf=0x0, 
    nbyte=3228113056, offset=Unhandled dwarf expression opcode 0x93
) at file.h:234
#27 0xc050490b in read (td=0xc3425450, uap=0xf04e9d14)
    at ../../../kern/sys_generic.c:107
#28 0xc0637de2 in syscall (frame=
      {tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 135094352, tf_esi = 0, tf_ebp = -1077944232, tf_isp = -263283340, tf_ebx = 135094272, tf_edx = 135094352, tf_ecx = 7, tf_eax = 3, tf_trapno = 12, tf_err = 2, tf_eip = 672595519, tf_cs = 31, tf_eflags = 658, tf_esp = -1077948388, tf_ss = 47})
    at ../../../i386/i386/trap.c:951
#29 0xc06240df in Xint0x80_syscall () at ../../../i386/i386/exception.s:200
#30 0x0000002f in ?? ()
#31 0x0000002f in ?? ()
#32 0x0000002f in ?? ()
#33 0x080d6050 in ?? ()
#34 0x00000000 in ?? ()
#35 0xbfbfe058 in ?? ()
#36 0xf04e9d74 in ?? ()
#37 0x080d6000 in ?? ()
#38 0x080d6050 in ?? ()
#39 0x00000007 in ?? ()
#40 0x00000003 in ?? ()
#41 0x0000000c in ?? ()
#42 0x00000002 in ?? ()
#43 0x2816fe3f in ?? ()
#44 0x0000001f in ?? ()
#45 0x00000292 in ?? ()
#46 0xbfbfd01c in ?? ()
#47 0x0000002f in ?? ()
---Type <return> to continue, or q <return> to quit---
#48 0x08080808 in ?? ()
#49 0x08080808 in ?? ()
#50 0x08080808 in ?? ()
#51 0x08080808 in ?? ()
#52 0x49c76000 in ?? ()
#53 0xc342b9ec in ?? ()
#54 0xc3425450 in ?? ()
#55 0xf04e99b0 in ?? ()
#56 0xf04e9990 in ?? ()
#57 0xc2c2acf0 in ?? ()
#58 0xc04efda0 in sched_switch (td=0x0, newtd=0x80d6000, flags=Cannot access memory at address 0xbfbfe068
)
    at ../../../kern/sched_4bsd.c:963
Previous frame inner to this frame (corrupt stack?)
(kgdb) quit