I have the vmcore as well:
# kgdb -c vmcore.0 /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:
kernel trap 12 with interrupts disabled
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0xffffffffffffffd4
fault code = supervisor read data, page not present
instruction pointer = 0x8:0xffffffff8038c806
stack pointer = 0x10:0xffffffffb5ba9950
frame pointer = 0x10:0xffffffffb5ba9990
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = resume, IOPL = 0
current process = 24295 (exim-4.66-0)
trap number = 12
panic: page fault
cpuid = 0
KDB: stack backtrace:
panic() at panic+0x253
trap_fatal() at trap_fatal+0x2c6
trap() at trap+0x1a8
calltrap() at calltrap+0x5
--- trap 0xc, rip = 0xffffffff8038c806, rsp = 0xffffffffb5ba9950, rbp 0xffffff
ffb5ba9990 ---
vm_page_alloc() at vm_page_alloc+0x156
_pmap_allocpte() at _pmap_allocpte+0x31
pmap_allocpte() at pmap_allocpte+0xc5
pmap_copy() at pmap_copy+0x2c6
vmspace_fork() at vmspace_fork+0x3bd
vm_forkproc() at vm_forkproc+0xe1
fork1() at fork1+0xc95
fork() at fork+0x1c
syscall() at syscall+0x437
Xfast_syscall() at Xfast_syscall+0xa8
--- syscall (2, FreeBSD ELF64, fork), rip = 0x80179facc, rsp 0x7fffffffe778, r
bp = 0x3 ---
Uptime: 9d9h39m48s
Physical memory: 4088 MB
Dumping 546 MB: 531 515calcru: runtime went backwards from 107492416053 usec
to
107491627102 usec for pid 60113 (FahCore_78.exe)
499calcru: runtime went backwards from 107492416053 usec to 107491839468
usec f
or pid 60113 (FahCore_78.exe)
calcru: runtime went backwards from 107492416053 usec to 107492051756 usec
for p
id 60113 (FahCore_78.exe)
483calcru: runtime went backwards from 107492416053 usec to 107492262697
usec f
or pid 60113 (FahCore_78.exe)
467calcru: runtime went backwards from 107492416053 usec to 107491474755
usec f
or pid 60113 (FahCore_78.exe)
451calcru: runtime went backwards from 107492416053 usec to 107491687421
usec f
or pid 60113 (FahCore_78.exe)
calcru: runtime went backwards from 107492416053 usec to 107491899423 usec
for p
id 60113 (FahCore_78.exe)
435calcru: runtime went backwards from 107492416053 usec to 107492111202
usec f
or pid 60113 (FahCore_78.exe)
419calcru: runtime went backwards from 107492416053 usec to 107492322721
usec f
or pid 60113 (FahCore_78.exe)
403calcru: runtime went backwards from 107492416053 usec to 107491535190
usec f
or pid 60113 (FahCore_78.exe)
387calcru: runtime went backwards from 107492416053 usec to 107491747090
usec f
or pid 60113 (FahCore_78.exe)
calcru: runtime went backwards from 107492416053 usec to 107491958933 usec
for p
id 60113 (FahCore_78.exe)
371calcru: runtime went backwards from 107492416053 usec to 107492169950
usec f
or pid 60113 (FahCore_78.exe)
355calcru: runtime went backwards from 107492416053 usec to 107492381054
usec f
or pid 60113 (FahCore_78.exe)
339calcru: runtime went backwards from 107492416053 usec to 107491591933
usec f
or pid 60113 (FahCore_78.exe)
calcru: runtime went backwards from 107492416053 usec to 107491802814 usec
for p
id 60113 (FahCore_78.exe)
323calcru: runtime went backwards from 107492416053 usec to 107492014249
usec f
or pid 60113 (FahCore_78.exe)
307calcru: runtime went backwards from 107492416053 usec to 107491538097
usec f
or pid 60113 (FahCore_78.exe)
291calcru: runtime went backwards from 107492416053 usec to 107491749020
usec f
or pid 60113 (FahCore_78.exe)
275calcru: runtime went backwards from 107492416053 usec to 107491959037
usec f
or pid 60113 (FahCore_78.exe)
calcru: runtime went backwards from 107492416053 usec to 107492169849 usec
for p
id 60113 (FahCore_78.exe)
259calcru: runtime went backwards from 107492416053 usec to 107492380752
usec f
or pid 60113 (FahCore_78.exe)
243calcru: runtime went backwards from 107492416053 usec to 107491591931
usec f
or pid 60113 (FahCore_78.exe)
227calcru: runtime went backwards from 107492416053 usec to 107491802756
usec f
or pid 60113 (FahCore_78.exe)
calcru: runtime went backwards from 107492416053 usec to 107492014136 usec
for p
id 60113 (FahCore_78.exe)
211calcru: runtime went backwards from 107492416053 usec to 107492224747
usec f
or pid 60113 (FahCore_78.exe)
195calcru: runtime went backwards from 107492416053 usec to 107491435587
usec f
or pid 60113 (FahCore_78.exe)
179calcru: runtime went backwards from 107492416053 usec to 107491646622
usec f
or pid 60113 (FahCore_78.exe)
163calcru: runtime went backwards from 107492416053 usec to 107491857664
usec f
or pid 60113 (FahCore_78.exe)
calcru: runtime went backwards from 107492416053 usec to 107492068758 usec
for p
id 60113 (FahCore_78.exe)
147calcru: runtime went backwards from 107492416053 usec to 107492279065
usec f
or pid 60113 (FahCore_78.exe)
131calcru: runtime went backwards from 107492416053 usec to 107491490234
usec f
or pid 60113 (FahCore_78.exe)
115calcru: runtime went backwards from 107492416053 usec to 107491701727
usec f
or pid 60113 (FahCore_78.exe)
99calcru: runtime went backwards from 107492416053 usec to 107491912670
usec fo
r pid 60113 (FahCore_78.exe)
calcru: runtime went backwards from 107492416053 usec to 107492123832 usec
for p
id 60113 (FahCore_78.exe)
83calcru: runtime went backwards from 107492416053 usec to 107492335365
usec fo
r pid 60113 (FahCore_78.exe)
67calcru: runtime went backwards from 107492416053 usec to 107491546145
usec fo
r pid 60113 (FahCore_78.exe)
51calcru: runtime went backwards from 107492416053 usec to 107491757253
usec fo
r pid 60113 (FahCore_78.exe)
calcru: runtime went backwards from 107492416053 usec to 107491968870 usec
for p
id 60113 (FahCore_78.exe)
35calcru: runtime went backwards from 107492416053 usec to 107491492783
usec fo
r pid 60113 (FahCore_78.exe)
19calcru: runtime went backwards from 107492416053 usec to 107491703760
usec fo
r pid 60113 (FahCore_78.exe)
3
#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 0xffffffff802853b0 in boot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:409
#2 0xffffffff8028589b in panic (fmt=0xffffffff8040d54c "%s")
at /usr/src/sys/kern/kern_shutdown.c:565
#3 0xffffffff803b1916 in trap_fatal (frame=0xc, eva=18446742977252509472)
at /usr/src/sys/amd64/amd64/trap.c:668
#4 0xffffffff803b1e68 in trap (frame {tf_rdi = -1096384115336, tf_rsi =
-2141391232, tf_rdx = 65, tf_rcx 0, tf_r8 = -1096384411016, tf_r9 = 65, tf_rax =
3, tf_rbx = -1096384115336,
tf_rbp = -1246062192, tf_r10 = 64, tf_r11 = -140737488355328, tf_r12 = 0,
tf_r13 = 2, tf_r14 = 352, tf_r15 = 2, tf_trapno = 12, tf_addr = -44,
tf_flags = 2, tf_err = 0, tf_rip = -2143762426, tf_cs = 8, tf_rflags 65542,
tf_rsp = -1246062240, tf_ss = 16}) at
/usr/src/sys/amd64/amd64/trap.c:239
#5 0xffffffff8039a06b in calltrap ()
at /usr/src/sys/amd64/amd64/exception.S:168
#6 0xffffffff8038c806 in vm_page_alloc (object=0x0, pindex=2, req=352)
at /usr/src/sys/vm/vm_page.c:935
#7 0xffffffff803a8471 in _pmap_allocpte (pmap=0xffffff013f66a7c0,
ptepindex=2, flags=1) at /usr/src/sys/amd64/amd64/pmap.c:1126
#8 0xffffffff803a8835 in pmap_allocpte (pmap=0xffffff013f66a7c0,
va=4194304,
flags=1) at /usr/src/sys/amd64/amd64/pmap.c:1313
#9 0xffffffff803aa7d6 in pmap_copy (dst_pmap=0xffffff013f66a7c0,
---Type <return> to continue, or q <return> to quit---
src_pmap=0xffffff007fe909e0, dst_addr=65, len=0, src_addr=4194304)
at /usr/src/sys/amd64/amd64/pmap.c:2409
#10 0xffffffff80385d3d in vmspace_fork (vm1=0xffffff00ba6a0d78)
at /usr/src/sys/vm/vm_map.c:2499
#11 0xffffffff80381281 in vm_forkproc (td=0xffffff00b6114720,
p2=0xffffff00a9028358, td2=0xffffff010cebc720, flags=20)
at /usr/src/sys/vm/vm_glue.c:540
#12 0xffffffff8026e4e5 in fork1 (td=0xffffff00b6114720, flags=20, pages=0,
procp=0xffffffffb5ba9b70) at /usr/src/sys/kern/kern_fork.c:672
#13 0xffffffff8026ebcc in fork (td=0xffffff00b6114720,
uap=0xffffffff805cf680)
at /usr/src/sys/kern/kern_fork.c:98
#14 0xffffffff803b25f7 in syscall (frame {tf_rdi = 3, tf_rsi =
140737488349072, tf_rdx = 140737488349056,
tf_rcx = 34382993660, tf_r8 = -2143111624, tf_r9 = 140737488349048, tf_rax 2,
tf_rbx = 1, tf_rbp = 3, tf_r10 = 140737488348272, tf_r11 = 2, tf_r12 6217728,
tf_r13 = 0, tf_r14 = 0, tf_r15 = 0, tf_trapno = 12, tf_addr 34386217776,
tf_flags = 49, tf_err = 2, tf_rip = 34384509644, tf_cs = 43,
tf_rflags = 514, tf_rsp = 140737488349048, tf_ss = 35}) at
/usr/src/sys/amd64/amd64/trap.c:803
#15 0xffffffff8039a208 in Xfast_syscall ()
at /usr/src/sys/amd64/amd64/exception.S:270
#16 0x000000080179facc in ?? ()
Previous frame inner to this frame (corrupt stack?)
(kgdb)
Any ideas? April 10 6.2/amd64 sources.
LER
--
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