On Thu, 22 Dec 2005, Ludo Koren wrote:

Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x40
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc07339c9
stack pointer           = 0x10:0xe5f9e840
frame pointer           = 0x10:0xe5f9e848
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, def32 1, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 2 (g_event)
trap number             = 12
panic: page fault
Uptime: 2m32s
Dumping 1022 MB
16 32 48 64 80 96 112 128 144 160 176 192 208 224 240 256 272 288 304 320 336 
352 368 384 400 416 432 448 464 480 496 512 528 544 560 576 592 608 624 640 656 
672 688 704 720 736 752 768 784 800 816 832 848 864 880 896 912 928 944 960 976 
992 1008

#0  doadump () at pcpu.h:160
160     pcpu.h: No such file or directory.
        in pcpu.h
(kgdb) add-symbol-file /usr/src/sys/modules/geom/geom_vinum/geom_vinum.ko 
0xc072 a9b8
add symbol table from file "/usr/src/sys/modules/geom/geom_vinum/geom_vinum.ko" 
at
        .text_addr = 0xc072a9b8
(y or n) y
Reading symbols from /usr/src/sys/modules/geom/geom_vinum/geom_vinum.ko...done.
(kgdb) bt
#0  doadump () at pcpu.h:160
#1  0xc04eaf44 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:412
#2  0xc04eb1d8 in panic (fmt=0xc060fcbc "%s")
   at /usr/src/sys/kern/kern_shutdown.c:568
#3  0xc05ec2f0 in trap_fatal (frame=0xe5f9e800, eva=64)
   at /usr/src/sys/i386/i386/trap.c:822
#4  0xc05ec057 in trap_pfault (frame=0xe5f9e800, usermode=0, eva=64)
   at /usr/src/sys/i386/i386/trap.c:737
#5  0xc05ebcb9 in trap (frame=
     {tf_fs = -1040646120, tf_es = -1037893616, tf_ds = -1038024688, tf_edi = 
-1038012416, tf_esi = 0, tf_ebp = -436606904, tf_isp = -436606932, tf_ebx = 
-1038077952, tf_edx = 1, tf_ecx = -1066995504, tf_eax = 0, tf_trapno = 12, 
tf_err = 0, tf_eip = -1066190391, tf_cs = 8, tf_eflags = 66182, tf_esp = 
-1038077952, tf_ss = -1038516864}) at /usr/src/sys/i386/i386/trap.c:427
#6  0xc05dc52a in calltrap () at /usr/src/sys/i386/i386/exception.s:140
#7  0xc1f90018 in ?? ()
#8  0xc2230010 in ?? ()
#9  0xc2210010 in ?? ()

I'm afraid that doesn't help me, either, as you can see there's no debugging information in there (the "??" question marks should be function calls actually).

Apparently there's a NULL pointer deref somewhere, I'll try to track it down on my own.

Thanks,
le

--
Lukas Ertl                         http://homepage.univie.ac.at/l.ertl/
[EMAIL PROTECTED]                     http://people.freebsd.org/~le/
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