# kgdb -c vmcore.1 /usr/obj/usr/src/sys/THEBIGHONKER/kernel.debug
[GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Unde
fined symbol "ps_pglobal_lookup"]
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This GDB was configured as "amd64-marcel-freebsd".
Unread portion of the kernel message buffer:
Slab at 0xffffffff81fc7d88, freei 43 = 0.
panic: Duplicate free of item 0xffffffff81fc7810 from zone 0xffffff00bff6d340(PV
ENTRY)
cpuid = 1
KDB: stack backtrace:
panic() at panic+0x253
uma_dbg_free() at uma_dbg_free+0x188
uma_zfree_arg() at uma_zfree_arg+0x60
pmap_remove_pages() at pmap_remove_pages+0x1d1
vmspace_exit() at vmspace_exit+0x9a
exit1() at exit1+0x38f
sys_exit() at sys_exit+0xe
syscall() at syscall+0x4d1
Xfast_syscall() at Xfast_syscall+0xa8
--- syscall (1, FreeBSD ELF64, sys_exit), rip = 0x80146777c, rsp = 0x7fffffffe52
8, rbp = 0x572000 ---
Uptime: 10d17h24m40s
Physical memory: 4087 MB
Dumping 598 MB: 583 567 551 535 519 503 487 471 455 439 423 407 391 375 359 343
327 311 295 279 263 247 231 215 199 183 167 151 135 119 103 87 71 55 39 23 7
#0 doadump () at pcpu.h:172
172 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) bt
#0 doadump () at pcpu.h:172
#1 0xffffffff80296699 in boot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:409
#2 0xffffffff8029612b in panic (
fmt=0xffffffff804c47a8 "Duplicate free of item %p from zone
%p(%s)\n")
at /usr/src/sys/kern/kern_shutdown.c:565
#3 0xffffffff803d8c58 in uma_dbg_free (zone=0xffffff00bff6d340,
slab=0xffffffff81fc7d88, item=0xffffffff81fc7810)
at /usr/src/sys/vm/uma_dbg.c:302
#4 0xffffffff803d6950 in uma_zfree_arg (zone=0xffffff00bff6d340,
item=0xffffffff81fc7810, udata=0x0) at /usr/src/sys/vm/uma_core.c:2276
#5 0xffffffff80423e31 in pmap_remove_pages (pmap=0xffffff00a576fe20, sva=0,
eva=140737488355328) at /usr/src/sys/amd64/amd64/pmap.c:2597
#6 0xffffffff803e0fba in vmspace_exit (td=0xffffff00ac8954c0) at vm_map.h:251
#7 0xffffffff8027bf3f in exit1 (td=0xffffff00ac8954c0, rv=0)
at /usr/src/sys/kern/kern_exit.c:295
#8 0xffffffff8027cace in sys_exit (td=0x0, uap=0x0)
at /usr/src/sys/kern/kern_exit.c:99
#9 0xffffffff80429dd1 in syscall (frame {tf_rdi = 0, tf_rsi = 0, tf_rdx =
34381131040, tf_rcx = 8, tf_r8 = 0, tf_r
9 = 0, tf_rax = 1, tf_rbx = 0, tf_rbp = 5709824, tf_r10 = 0, tf_r11 = 0, tf_r12
= 5677056, tf_r13 = 15, tf_r14 = 35, tf_r15 = 140737488348784, tf_trapno = 12, t
f_addr = 34382333184, tf_flags = 102739200, tf_err = 2, tf_rip = 34381133692, tf
---Type <return> to continue, or q <return> to quit---
_cs = 43, tf_rflags = 514, tf_rsp = 140737488348456, tf_ss = 35})
at /usr/src/sys/amd64/amd64/trap.c:792
#10 0xffffffff80414d68 in Xfast_syscall ()
at /usr/src/sys/amd64/amd64/exception.S:270
#11 0x000000080146777c in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb)
What can I do to help?
--
Larry Rosenman http://www.lerctr.org/~ler
Phone: +1 512-248-2683 E-Mail: ler@lerctr.org
US Mail: 430 Valona Loop, Round Rock, TX 78681-3893