yet another kernel panic

[Rum]

i have a build of 1.1-current from around 19th of august (old, but maybe the
bug is still present today) and experienced a kernel panic, was running
xorg with kde (kdebase, kdelibs, kdegames and thats about it), firefox,
konsole, xmms, xterm and perhaps another app or two. the kernel panic
happened when i tried running top (weird) ... the dump is located at:
leaf:~rumko/memory_dumps/dump-28.8.04-16-46.tar.bz2
i also have a backtrace if its usefull:

#0  dumpsys () at /usr/src/sys/kern/kern_shutdown.c:508
#1  0xc01ce587 in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:341
#2  0xc01ce9b8 in poweroff_wait (junk=0xc03e2e4a, howto=-1069668242) at
/usr/src/sys/kern/kern_shutdown.c:620
#3  0xc035ca05 in trap_fatal (frame=0xcf70f650, eva=3471084128) at
/usr/src/sys/i386/i386/trap.c:1144
#4  0xc035c609 in trap_pfault (frame=0xcf70f650, usermode=0, eva=3471084128)
    at /usr/src/sys/i386/i386/trap.c:1033
#5  0xc035c294 in trap (frame={tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi =
-814679668, tf_esi = -823883168,
      tf_ebp = -814680420, tf_isp = -814680452, tf_ebx = -822115840, tf_edx =
-814680036, tf_ecx = 54,
      tf_eax = 0, tf_trapno = 12, tf_err = 0, tf_eip = -1071867976, tf_cs =
8, tf_eflags = 66178,
      tf_esp = -822115840, tf_ss = 0}) at /usr/src/sys/i386/i386/trap.c:613
#6  0xc01c97b8 in fill_eproc (p=0xceff8200, ep=0xcf70f81c) at
/usr/src/sys/kern/kern_proc.c:411
#7  0xc01c990d in sysctl_out_proc (p=0xceff8200, td=0xc9a5db80,
req=0xcf70fb50, doingzomb=0)
    at /usr/src/sys/kern/kern_proc.c:461
#8  0xc01c9baa in sysctl_kern_proc (oidp=0xc03fe3c0, arg1=0x0, arg2=0,
req=0xcf70fb50)
    at /usr/src/sys/kern/kern_proc.c:586
#9  0xc01d7934 in sysctl_root (oidp=0x0, arg1=0xcf70fbd4, arg2=3,
req=0xcf70fb50)
    at /usr/src/sys/kern/kern_sysctl.c:1191
#10 0xc01d7ac2 in userland_sysctl (name=0xcf70fbd4, namelen=3, old=0x0,
oldlenp=0xbfbff89c, inkernel=0, new=0x0,
    newlen=0, retval=0xcf70fbd0) at /usr/src/sys/kern/kern_sysctl.c:1266
#11 0xc01d79ab in __sysctl (uap=0xcf70fc38) at
/usr/src/sys/kern/kern_sysctl.c:1209
#12 0xc035cd1a in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds =
47, tf_edi = 3, tf_esi = -1077937968,
      tf_ebp = -1077938096, tf_isp = -814678668, tf_ebx =
672468824, tf_edx = 0, tf_ecx = 0, tf_eax = 202,
      tf_trapno = 22, tf_err = 2, tf_eip = 672156848, tf_cs =
31, tf_eflags = 663, tf_esp = -1077938156,
      tf_ss = 47}) at /usr/src/sys/i386/i386/trap.c:1350
#13 0xc034ea2a in Xint0x80_syscall ()
#14 0x280c93ed in ?? ()
#15 0x804b13d in ?? ()
#16 0x804db32 in ?? ()
#17 0x8049432 in ?? ()

the panic msg:

1 cpu [ff800000,32768]
IdlePTD at phsyical address 0x00538000
PCB @004549a0 EIP=c01ce792 ESP=cf70f580 EBP=cf70f58c
initial pcb at physical address 0x004549a0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0xcee48a60
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc01c97b8
stack pointer           = 0x10:0xcf70f690
frame pointer           = 0x10:0xcf70f69c
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         = 79243 (top)
current thread          = pri 6
interrupt mask          = none
trap number             = 12
panic: page fault