Дело в том, что сервер редко, но падает.
В /var/crash уже четыре файла vmcore.X, причем содержимое похоже.
Везде current process= dummynet
Вычитал как смотреть vmcore, но что с той инфой делать, ума не приложу.
[root@vpn /usr/obj/usr/src/sys/MYKERNEL]# kgdb kernel.debug /var/crash/vmcore.3
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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 = 0x188
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc068eb44
stack pointer = 0x28:0xe61d0bbc
frame pointer = 0x28:0xe61d0bd4
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 = 36 (dummynet)
trap number = 12
panic: page fault
cpuid = 0
Uptime: 3d23h10m14s
Physical memory: 1006 MB
Dumping 249 MB: 234 218 202 186 170 154 138 122 106 90 74 58 42 26 10
Reading symbols from /boot/kernel/geom_mirror.ko...Reading symbols from /boot/kernel/geom_mirror.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/geom_mirror.ko
Reading symbols from /boot/kernel/acpi.ko...Reading symbols from /boot/kernel/acpi.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/acpi.ko
Reading symbols from /boot/kernel/if_tap.ko...Reading symbols from /boot/kernel/if_tap.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/if_tap.ko
Reading symbols from /boot/kernel/if_vlan.ko...Reading symbols from /boot/kernel/if_vlan.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/if_vlan.ko
Reading symbols from /boot/kernel/linux.ko...Reading symbols from /boot/kernel/linux.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/linux.ko
Reading symbols from /boot/kernel/ng_pppoe.ko...Reading symbols from /boot/kernel/ng_pppoe.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/ng_pppoe.ko
Reading symbols from /boot/kernel/ng_l2tp.ko...Reading symbols from /boot/kernel/ng_l2tp.ko.symbols...done.
done.
Loaded symbols for /boot/kernel/ng_l2tp.ko
#0 doadump () at pcpu.h:196
196 __asm __volatile("movl %%fs:0,%0" : "=r" (td));
(kgdb) bt
#0 doadump () at pcpu.h:196
#1 0xc069d777 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418
#2 0xc069da49 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:574
#3 0xc088bf6c in trap_fatal (frame=0xe61d0b7c, eva=392) at /usr/src/sys/i386/i386/trap.c:939
#4 0xc088c1d0 in trap_pfault (frame=0xe61d0b7c, usermode=0, eva=392) at /usr/src/sys/i386/i386/trap.c:852
#5 0xc088cb52 in trap (frame=0xe61d0b7c) at /usr/src/sys/i386/i386/trap.c:530
#6 0xc0871cfb in calltrap () at /usr/src/sys/i386/i386/exception.s:159
#7 0xc068eb44 in _mtx_lock_sleep (m=0xc95ca248, tid=3294695968, opts=0, file=0x0, line=0) at /usr/src/sys/kern/kern_mutex.c:339
#8 0xc07825cd in ip_input (m=0xc6e0ee00) at /usr/src/sys/netinet/ip_input.c:572
#9 0xc07417c5 in netisr_dispatch (num=2, m=0xc6e0ee00) at /usr/src/sys/net/netisr.c:185
#10 0xc0773aa2 in dummynet_send (m=0xc6e0ee00) at /usr/src/sys/netinet/ip_dummynet.c:901
#11 0xc0775016 in dummynet_task (context=0x0, pending=1) at /usr/src/sys/netinet/ip_dummynet.c:877
#12 0xc06d1145 in taskqueue_run (queue=0xc464e880) at /usr/src/sys/kern/subr_taskqueue.c:282
#13 0xc06d1358 in taskqueue_thread_loop (arg=0xc09eea68) at /usr/src/sys/kern/subr_taskqueue.c:401
#14 0xc0677cd9 in fork_exit (callout=0xc06d1290 <taskqueue_thread_loop>, arg=0xc09eea68, frame=0xe61d0d38) at /usr/src/sys/kern/kern_fork.c:810
#15 0xc0871d70 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:264
(kgdb) q
. В другой машине работает замечательно!