По делу - читать
http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html
апгрейдил с 8,3 до 9,1 24 апреля
получил вот это, тут на что смотреть?
kgdb kernel.debug /var/crash/vmcore.9
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This GDB was configured as "i386-marcel-freebsd"...
Unread portion of the kernel message buffer:
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0xaaaaab4
fault code = supervisor write, page not present
instruction pointer = 0x20:0xc09aa853
stack pointer = 0x28:0xe7dfdb40
frame pointer = 0x28:0xe7dfdb4c
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 = 21054 (drweb-icapd)
trap number = 12
panic: page fault
cpuid = 0
KDB: stack backtrace:
#0 0xc06a9d9f at kdb_backtrace+0x4f
#1 0xc0675f7f at panic+0x16f
#2 0xc09b3633 at trap_fatal+0x323
#3 0xc09b3719 at trap_pfault+0xd9
#4 0xc09b466d at trap+0x43d
#5 0xc099df4c at calltrap+0x6
#6 0xc09aa942 at pmap_pvh_free+0x52
#7 0xc09ac412 at pmap_remove_pte+0x92
#8 0xc09ae364 at pmap_remove+0x1b4
#9 0xc095dd49 at vm_map_delete+0x199
#10 0xc0964055 at sys_munmap+0xf5
#11 0xc09b3d8a at syscall+0x34a
#12 0xc099dfb1 at Xint0x80_syscall+0x21
Uptime: 8d12h51m30s
Physical memory: 1010 MB
Dumping 224 MB: 209 193 177 161 145 129 113 97 81 65 49 33 17 1
Reading symbols from /boot/kernel/nfscl.ko...Reading symbols from
/boot/kernel/nfscl.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/nfscl.ko
Reading symbols from /boot/kernel/nfscommon.ko...Reading symbols from
/boot/kernel/nfscommon.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/nfscommon.ko
Reading symbols from /boot/kernel/snp.ko...Reading symbols from
/boot/kernel/snp.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/snp.ko
#0 doadump (textdump=1) at pcpu.h:249
249 __asm("movl %%fs:%1,%0" : "=r" (td)
(kgdb)
