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Unread portion of the kernel message buffer:


Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address	= 0x8
fault code		= supervisor write, page not present
instruction pointer	= 0x8:0xc0587a18
stack pointer	        = 0x10:0xcbd57afc
frame pointer	        = 0x10:0xcbd57b08
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		= 31 (swi5: clock sio)
trap number		= 12
panic: page fault
cpuid = 0
boot() called on cpu#0
Uptime: 23m16s
Dumping 256 MB


Fatal trap 12: page fault while in kernel mode
cpuid = 1; apic id = 01
fault virtual address	= 0x0
fault code		= supervisor read, page not present
instruction pointer	= 0x8:0xc06b65d6
stack pointer	        = 0x10:0xcc761c64
frame pointer	        = 0x10:0xcc761c90
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		= 42 (swi0: sio)
trap number		= 12
[CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort] [CTRL-C to abort]  16 32 48 64 80 96 112 128 144 160 176 192 208 224 240

#0  doadump () at pcpu.h:160
	in pcpu.h
(kgdb) bt
#0  doadump () at pcpu.h:160
#1  0xc0554851 in boot (howto=260) at ../../../kern/kern_shutdown.c:412
#2  0xc0554b75 in panic (fmt=0xc06e1fdf "%s")
    at ../../../kern/kern_shutdown.c:568
#3  0xc06b86c4 in trap_fatal (frame=0xcbd57abc, eva=8)
    at ../../../i386/i386/trap.c:822
#4  0xc06b8403 in trap_pfault (frame=0xcbd57abc, usermode=0, eva=8)
    at ../../../i386/i386/trap.c:737
#5  0xc06b805d in trap (frame=
      {tf_fs = -1048575976, tf_es = -1049952240, tf_ds = -1049296880, tf_edi = 53, tf_esi = -1047219656, tf_ebp = -875201784, tf_isp = -875201816, tf_ebx = 0, tf_edx = 4, tf_ecx = 1, tf_eax = -3, tf_trapno = 12, tf_err = 2, tf_eip = -1067943400, tf_cs = 8, tf_eflags = 66051, tf_esp = -875201736, tf_ss = -1048406156}) at ../../../i386/i386/trap.c:427
#6  0xc06a645a in calltrap () at ../../../i386/i386/exception.s:140
#7  0xc1800018 in ?? ()
#8  0xc16b0010 in ?? ()
#9  0xc1750010 in ?? ()
#10 0x00000035 in ?? ()
#11 0xc194b238 in ?? ()
#12 0xcbd57b08 in ?? ()
#13 0xcbd57ae8 in ?? ()
#14 0x00000000 in ?? ()
#15 0x00000004 in ?? ()
#16 0x00000001 in ?? ()
#17 0xfffffffd in ?? ()
#18 0x0000000c in ?? ()
#19 0x00000002 in ?? ()
#20 0xc0587a18 in putc (chr=239, clistp=0xc194b238)
    at ../../../kern/tty_subr.c:416
#21 0xc05c8047 in pppasyncstart (sc=0xc1686000) at ../../../net/ppp_tty.c:654
#22 0xc05c3314 in pppoutput (ifp=0xc1686000, m0=0xc1829700, dst=0xc168a1d0, 
    rtp=0xc180dce4) at ../../../net/if_ppp.c:954
#23 0xc05d9bd0 in ip_output (m=0xc1829700, opt=0xc1829740, ro=0xcbd57ba4, 
    flags=0, imo=0x0, inp=0xc19ce654) at ../../../netinet/ip_output.c:775
#24 0xc05e33a0 in tcp_output (tp=0xc209a8ac)
    at ../../../netinet/tcp_output.c:1119
#25 0xc05e8507 in tcp_timer_delack (xtp=0xc209a8ac)
    at ../../../netinet/tcp_timer.c:175
#26 0xc0560ea3 in softclock (dummy=0x0) at ../../../kern/kern_timeout.c:279
#27 0xc05404a9 in ithread_loop (arg=0xc1518680)
    at ../../../kern/kern_intr.c:547
#28 0xc053f545 in fork_exit (callout=0xc0540350 <ithread_loop>, 
    arg=0xc1518680, frame=0xcbd57d38) at ../../../kern/kern_fork.c:791
#29 0xc06a64bc in fork_trampoline () at ../../../i386/i386/exception.s:209
(kgdb) bt full
#0  doadump () at pcpu.h:160
No locals.
#1  0xc0554851 in boot (howto=260) at ../../../kern/kern_shutdown.c:412
	first_buf_printf = 1
#2  0xc0554b75 in panic (fmt=0xc06e1fdf "%s")
    at ../../../kern/kern_shutdown.c:568
	td = (struct thread *) 0xc1524a80
	bootopt = 260
	newpanic = 0
	ap = 0xc1524a80 "\0207U\021R"
	buf = "page fault", '\0' <repeats 245 times>
#3  0xc06b86c4 in trap_fatal (frame=0xcbd57abc, eva=8)
    at ../../../i386/i386/trap.c:822
	code = 16
	type = 12
	ss = 16
	esp = 0
	softseg = {ssd_base = 0, ssd_limit = 1048575, ssd_type = 27, 
  ssd_dpl = 0, ssd_p = 1, ssd_xx = 7, ssd_xx1 = 3, ssd_def32 = 1, 
  ssd_gran = 1}
	msg = 0x0
#4  0xc06b8403 in trap_pfault (frame=0xcbd57abc, usermode=0, eva=8)
    at ../../../i386/i386/trap.c:737
	va = 0
	vm = (struct vmspace *) 0x0
	map = 0xc0758680
	rv = 1
	ftype = 1 '\001'
	td = (struct thread *) 0xc1524a80
	p = (struct proc *) 0xc1553710
#5  0xc06b805d in trap (frame=
      {tf_fs = -1048575976, tf_es = -1049952240, tf_ds = -1049296880, tf_edi = 53, tf_esi = -1047219656, tf_ebp = -875201784, tf_isp = -875201816, tf_ebx = 0, tf_edx = 4, tf_ecx = 1, tf_eax = -3, tf_trapno = 12, tf_err = 2, tf_eip = -1067943400, tf_cs = 8, tf_eflags = 66051, tf_esp = -875201736, tf_ss = -1048406156}) at ../../../i386/i386/trap.c:427
	td = (struct thread *) 0xc1524a80
	p = (struct proc *) 0xc1553710
	sticks = 3243396480
	i = 0
	ucode = 0
	type = 12
	code = 2
	eva = 8
#6  0xc06a645a in calltrap () at ../../../i386/i386/exception.s:140
No locals.
#7  0xc1800018 in ?? ()
No symbol table info available.
#8  0xc16b0010 in ?? ()
No symbol table info available.
#9  0xc1750010 in ?? ()
No symbol table info available.
#10 0x00000035 in ?? ()
No symbol table info available.
#11 0xc194b238 in ?? ()
No symbol table info available.
#12 0xcbd57b08 in ?? ()
No symbol table info available.
#13 0xcbd57ae8 in ?? ()
No symbol table info available.
#14 0x00000000 in ?? ()
No symbol table info available.
#15 0x00000004 in ?? ()
No symbol table info available.
#16 0x00000001 in ?? ()
No symbol table info available.
#17 0xfffffffd in ?? ()
No symbol table info available.
#18 0x0000000c in ?? ()
No symbol table info available.
#19 0x00000002 in ?? ()
No symbol table info available.
#20 0xc0587a18 in putc (chr=239, clistp=0xc194b238)
    at ../../../kern/tty_subr.c:416
	cblockp = (struct cblock *) 0x0
#21 0xc05c8047 in pppasyncstart (sc=0xc1686000) at ../../../net/ppp_tty.c:654
	p = (u_char *) 0xcbd57b3b ""
	q = (u_char *) 0xcbd57b38 "~"
	c = -875201736
	endseq = "~\000\000\000\000"
	tp = (struct tty *) 0xc194b200
	m = (struct mbuf *) 0xc1829700
	len = 0
	start = (u_char *) 0xc1829774 ""
	stop = (u_char *) 0xcbd57b3b ""
	cp = (u_char *) 0x0
	n = -875201736
	ndone = 0
	done = 1
	idle = 0
#22 0xc05c3314 in pppoutput (ifp=0xc1686000, m0=0xc1829700, dst=0xc168a1d0, 
    rtp=0xc180dce4) at ../../../net/if_ppp.c:954
	sc = (struct ppp_softc *) 0xc1686000
	protocol = 33
	address = 255
	control = 3
	cp = (u_char *) 0x0
	error = -1050124056
	ip = (struct ip *) 0x0
	ifq = (struct ifqueue *) 0xc16860e8
	mode = NPMODE_PASS
	len = 56
#23 0xc05d9bd0 in ip_output (m=0xc1829700, opt=0xc1829740, ro=0xcbd57ba4, 
    flags=0, imo=0x0, inp=0xc19ce654) at ../../../netinet/ip_output.c:775
	ip = (struct ip *) 0xc1829740
	ifp = (struct ifnet *) 0xc1686000
	m0 = (struct mbuf *) 0xc1829740
	hlen = 20
	len = -1068125249
	error = 0
	dst = (struct sockaddr_in *) 0xc168a1d0
	ia = (struct in_ifaddr *) 0xc1807400
	isbroadcast = 0
	sw_csum = 1
	iproute = {ro_rt = 0xc180dce4, ro_dst = {sa_len = 16 '\020', 
    sa_family = 2 '\002', 
    sa_data = "\000\000S\027\000\000\000\000\000\000\000"}}
	odst = {s_addr = 1}
#24 0xc05e33a0 in tcp_output (tp=0xc209a8ac)
    at ../../../netinet/tcp_output.c:1119
	so = (struct socket *) 0xc1f41ca8
	len = 0
	recwin = 65535
	sendwin = -1048406188
	off = 0
	flags = 16
	error = 0
	m = (struct mbuf *) 0xc1829700
	ip = (struct ip *) 0xc1829740
	th = (struct tcphdr *) 0xc1829754
	opt = "\001\001\b\n\000\002!\031T\raTV\203\000\000\000NV\200JR\0000y`\\\0307U"
	ipoptlen = 0
	optlen = 12
	hdrlen = 52
	idle = 1
	sendalot = 0
	i = -875201476
	sack_rxmit = 0
	sack_bytes_rxmt = 0
	p = (struct sackhole *) 0x0
	tao = {tao_cc = 0, tao_ccsent = 0, tao_mssopt = 0}
	ip6 = (struct ip6_hdr *) 0x0
	isipv6 = 0
#25 0xc05e8507 in tcp_timer_delack (xtp=0xc209a8ac)
    at ../../../netinet/tcp_timer.c:175
	tp = (struct tcpcb *) 0xc209a8ac
	inp = (struct inpcb *) 0xc19ce654
#26 0xc0560ea3 in softclock (dummy=0x0) at ../../../kern/kern_timeout.c:279
	c_func = (void (*)(void *)) 0xc05e83cc <tcp_timer_delack>
	c_arg = (void *) 0xc209a8ac
	c_flags = 14
	c = (struct callout *) 0x0
	bucket = (struct callout_tailq *) 0xc65f5968
	curticks = 139545
	steps = 14
	depth = 1
	mpcalls = 1
	gcalls = 0
	wakeup_cookie = 14
#27 0xc05404a9 in ithread_loop (arg=0xc1518680)
    at ../../../kern/kern_intr.c:547
	ithd = (struct ithd *) 0xc1518680
	ih = (struct intrhand *) 0xc151ec80
	td = (struct thread *) 0xc1524a80
	p = (struct proc *) 0xc1553710
	count = 0
	warming = 5000
	warned = 0
#28 0xc053f545 in fork_exit (callout=0xc0540350 <ithread_loop>, 
    arg=0xc1518680, frame=0xcbd57d38) at ../../../kern/kern_fork.c:791
	p = (struct proc *) 0xc1553710
	td = (struct thread *) 0x0
#29 0xc06a64bc in fork_trampoline () at ../../../i386/i386/exception.s:209
No locals.
(kgdb) where
#0  doadump () at pcpu.h:160
#1  0xc0554851 in boot (howto=260) at ../../../kern/kern_shutdown.c:412
#2  0xc0554b75 in panic (fmt=0xc06e1fdf "%s")
    at ../../../kern/kern_shutdown.c:568
#3  0xc06b86c4 in trap_fatal (frame=0xcbd57abc, eva=8)
    at ../../../i386/i386/trap.c:822
#4  0xc06b8403 in trap_pfault (frame=0xcbd57abc, usermode=0, eva=8)
    at ../../../i386/i386/trap.c:737
#5  0xc06b805d in trap (frame=
      {tf_fs = -1048575976, tf_es = -1049952240, tf_ds = -1049296880, tf_edi = 53, tf_esi = -1047219656, tf_ebp = -875201784, tf_isp = -875201816, tf_ebx = 0, tf_edx = 4, tf_ecx = 1, tf_eax = -3, tf_trapno = 12, tf_err = 2, tf_eip = -1067943400, tf_cs = 8, tf_eflags = 66051, tf_esp = -875201736, tf_ss = -1048406156}) at ../../../i386/i386/trap.c:427
#6  0xc06a645a in calltrap () at ../../../i386/i386/exception.s:140
#7  0xc1800018 in ?? ()
#8  0xc16b0010 in ?? ()
#9  0xc1750010 in ?? ()
#10 0x00000035 in ?? ()
#11 0xc194b238 in ?? ()
#12 0xcbd57b08 in ?? ()
#13 0xcbd57ae8 in ?? ()
#14 0x00000000 in ?? ()
#15 0x00000004 in ?? ()
#16 0x00000001 in ?? ()
#17 0xfffffffd in ?? ()
#18 0x0000000c in ?? ()
#19 0x00000002 in ?? ()
#20 0xc0587a18 in putc (chr=239, clistp=0xc194b238)
    at ../../../kern/tty_subr.c:416
#21 0xc05c8047 in pppasyncstart (sc=0xc1686000) at ../../../net/ppp_tty.c:654
#22 0xc05c3314 in pppoutput (ifp=0xc1686000, m0=0xc1829700, dst=0xc168a1d0, 
    rtp=0xc180dce4) at ../../../net/if_ppp.c:954
#23 0xc05d9bd0 in ip_output (m=0xc1829700, opt=0xc1829740, ro=0xcbd57ba4, 
    flags=0, imo=0x0, inp=0xc19ce654) at ../../../netinet/ip_output.c:775
#24 0xc05e33a0 in tcp_output (tp=0xc209a8ac)
    at ../../../netinet/tcp_output.c:1119
#25 0xc05e8507 in tcp_timer_delack (xtp=0xc209a8ac)
    at ../../../netinet/tcp_timer.c:175
#26 0xc0560ea3 in softclock (dummy=0x0) at ../../../kern/kern_timeout.c:279
#27 0xc05404a9 in ithread_loop (arg=0xc1518680)
    at ../../../kern/kern_intr.c:547
#28 0xc053f545 in fork_exit (callout=0xc0540350 <ithread_loop>, 
    arg=0xc1518680, frame=0xcbd57d38) at ../../../kern/kern_fork.c:791
#29 0xc06a64bc in fork_trampoline () at ../../../i386/i386/exception.s:209
(kgdb) quit