FreeBSD vmware guest 8.1-RELEASE i386 PAE with open-vm-tools-nox11-313025_1 installed. Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0xc9aaea44 fault code = supervisor read, page not present instruction pointer = 0x20:0xc080d29a stack pointer = 0x28:0xc8d61aa0 frame pointer = 0x28:0xc8d61ad0 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 = 0 (em0 taskq) trap number = 12 panic: page fault cpuid = 0 Uptime: 1d1h49m3s Physical memory: 4082 MB Dumping 318 MB: 303 287 271 255 239 223 207 191 175 159 143 127 111 95 79 63 47 31 15 (kgdb) bt #0 doadump () at pcpu.h:246 #1 0xc05b4d07 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:416 #2 0xc05b4f69 in panic (fmt=Variable "fmt" is not available. ) at /usr/src/sys/kern/kern_shutdown.c:590 #3 0xc0879b8c in trap_fatal (frame=0xc8d61a60, eva=3383421508) at /usr/src/sys/i386/i386/trap.c:938 #4 0xc087a4b0 in trap (frame=0xc8d61a60) at /usr/src/sys/i386/i386/trap.c:328 #5 0xc085ae1b in calltrap () at /usr/src/sys/i386/i386/exception.s:165 #6 0xc080d29a in uma_zfree_arg (zone=0xc127a000, item=0xc9b63a00, udata=0x0) at /usr/src/sys/vm/uma_core.c:2559 #7 0xc060ae33 in mb_free_ext (m=0xc9b63a00) at uma.h:333 #8 0xc060b4c1 in m_freem (mb=0x0) at mbuf.h:562 #9 0xc06ad1c1 in arpintr (m=0xc9b63a00) at /usr/src/sys/netinet/if_ether.c:826 #10 0xc066c2a9 in netisr_dispatch_src (proto=7, source=0, m=0xc9b63a00) at /usr/src/sys/net/netisr.c:917 #11 0xc066c540 in netisr_dispatch (proto=7, m=0xc9b63a00) at /usr/src/sys/net/netisr.c:1004 #12 0xc06624b1 in ether_demux (ifp=0xc90bc400, m=0xc9b63a00) at /usr/src/sys/net/if_ethersubr.c:901 #13 0xc0662a03 in ether_input (ifp=0xc90bc400, m=0xc9b63a00) at /usr/src/sys/net/if_ethersubr.c:760 #14 0xc03a7e3a in lem_handle_rxtx (context=0xc90d7000, pending=1) at /usr/src/sys/dev/e1000/if_lem.c:3616 #15 0xc05eec02 in taskqueue_run (queue=0xc90af3c0) at /usr/src/sys/kern/subr_taskqueue.c:239 #16 0xc05eee0d in taskqueue_thread_loop (arg=0xc90db5a8) at /usr/src/sys/kern/subr_taskqueue.c:360 #17 0xc058a061 in fork_exit (callout=0xc05eed50 <taskqueue_thread_loop>, arg=0xc90db5a8, frame=0xc8d61d38) at /usr/src/sys/kern/kern_fork.c:844 #18 0xc085ae90 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:270 -- Pawel