DragonFlyBSD

I finally got a crash dump for this machine that's been panicing over
the past few months. Looks like a networking issue. Files can be
downloaded at:

http://www.theshell.com/~pavalos/crash/ylem-crash0.tar.xz

panic: page fault

(kgdb) #0  _get_mycpu (di=0xc03ef960) at ./machine/thread.h:83
#1  md_dumpsys (di=0xc03ef960)
    at /usr/src/sys/platform/pc32/i386/dump_machdep.c:263
#2  0xc019e6c5 in dumpsys () at /usr/src/sys/kern/kern_shutdown.c:881
#3  0xc019ec85 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:388
#4  0xc019ef5d in panic (fmt=0xc0360fd7 "%s")
    at /usr/src/sys/kern/kern_shutdown.c:787
#5  0xc032e1fb in trap_fatal (frame=0xd9d33bc0, eva=<value optimized out>)
    at /usr/src/sys/platform/pc32/i386/trap.c:1125
#6  0xc032e309 in trap_pfault (frame=0xd9d33bc0, usermode=0, eva=4147)
    at /usr/src/sys/platform/pc32/i386/trap.c:1026
#7  0xc032edf5 in trap (frame=0xd9d33bc0)
    at /usr/src/sys/platform/pc32/i386/trap.c:707
#8  0xc0317f77 in calltrap ()
    at /usr/src/sys/platform/pc32/i386/exception.s:785
#9  0xc018afc0 in knote (list=0xf236e364, hint=0)
    at /usr/src/sys/kern/kern_event.c:1301
#10 0xc01de0c3 in sowakeup (so=0xf236e300, ssb=0xf236e34c)
    at /usr/src/sys/kern/uipc_socket2.c:499
#11 0xc0240bbc in udp_input (mp=0xd9d33cb8, offp=0xd9d33cb4, proto=17)
    at /usr/src/sys/netinet/udp_usrreq.c:520
#12 0xc022efc6 in transport_processing_oncpu (m=0x0, hlen=20, ip=0xf655d010)
    at /usr/src/sys/netinet/ip_input.c:394
#13 0xc022ff8d in ip_input (m=0xf5537200)
    at /usr/src/sys/netinet/ip_input.c:959
#14 0xc022ffb5 in ip_input_handler (msg=0xf553721c)
    at /usr/src/sys/netinet/ip_input.c:415
#15 0xc022031f in netmsg_service_loop (arg=0x0)
    at /usr/src/sys/net/netisr.c:294
#16 0xc01a8a1e in lwkt_deschedule_self (td=Cannot access memory at address 0x8
)
    at /usr/src/sys/kern/lwkt_thread.c:258
Backtrace stopped: previous frame inner to this frame (corrupt stack?)