I have a 4MB machine, which runs our ISDN router, name server, dhcpd,
Samba nmbd and smbd and has ligth to medium network load. Yes, I know we
should upgrad RAM, but thats not an option currently.

This machine was up over a month with an old kernel from mid january, until
I decided I wanted the latest-greatest ISDN patches in its kernel and upgraded
it to -current as of March 16.

After about 24 hours it crashed:

#0  0xf8160000 in gdt_shrink () at ../../../../arch/i386/i386/gdt.c:199
199             vm_map_pageable(kernel_map, (vm_offset_t)dynamic_gdt + new_len,
(kgdb) bt
#0  0xf8160000 in gdt_shrink () at ../../../../arch/i386/i386/gdt.c:199
#1  0xf8154ab7 in vm_pageout_page (m=0xf970af30, object=0x6)
    at ../../../../vm/vm_pageout.c:300
#2  0xf81549d0 in vm_pageout_scan () at ../../../../vm/vm_pageout.c:211
#3  0xf8154d0d in vm_pageout () at ../../../../vm/vm_pageout.c:565
#4  0xf81040d2 in start_pagedaemon (p=0x0) at ../../../../kern/init_main.c:555
(kgdb) print kernel_map
$1 = (struct vm_map *) 0x0
(kgdb) print new_len
$2 = 0

I still have the crashdump around, if anyone would like some more info.


Martin