Bug 48100

Script started on Sat Feb  8 15:39:58 2003
venus# gdb -kkern[K[K[K[K kernel.debug vmcore.jupiter.2
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This GDB was configured as "i386-unknown-freebsd"...Deprecated bfd_read called at /usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c line 2627 in elfstab_build_psymtabs
Deprecated bfd_read called at /usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.c line 933 in fill_symbuf

SMP 2 cpus
IdlePTD at phsyical address 0x002bb000
initial pcb at physical address 0x00236ee0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
mp_lock = 00000002; cpuid = 0; lapic.id = 00000000
fault virtual address	= 0xc
fault code		= supervisor read, page not present
instruction pointer	= 0x8:0xc01b1aef
stack pointer	        = 0x10:0xfb300dbc
frame pointer	        = 0x10:0xfb300dc4
code segment		= base rx0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, def32 1, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 40089 (cron)
interrupt mask		= none <- SMP: XXX
trap number		= 12
panic: page fault
mp_lock = 00000002; cpuid = 0; lapic.id = 00000000
boot() called on cpu#0

-----------------------------------
netdump in progress. searching for server.. dumping to 64.49.215.4
-----------------------------------
memsize = 4227858432
---
#0  0xc9595256 in ?? ()
(kgdb) where
#0  0xc9595256 in ?? ()
#1  0xc013fb78 in boot (howto=256) at /usr/src/sys/kern/kern_shutdown.c:223
#2  0xc014029d in panic (fmt=0xc02136d9 "%s") at /usr/src/sys/kern/kern_shutdown.c:595
#3  0xc01e6e9d in trap_fatal (frame=0xfb300d7c, eva=12)
    at /usr/src/sys/i386/i386/trap.c:974
#4  0xc01e6b09 in trap_pfault (frame=0xfb300d7c, usermode=0, eva=12)
    at /usr/src/sys/i386/i386/trap.c:867
#5  0xc01e6663 in trap (frame={tf_fs = -80740328, tf_es = -1071972336, 
      tf_ds = -1071448048, tf_edi = -191590400, tf_esi = -80736776, 
      tf_ebp = -80736828, tf_isp = -80736856, tf_ebx = -1071398996, 
      tf_edx = -454725664, tf_ecx = -191590400, tf_eax = 0, tf_trapno = 12, 
      tf_err = 0, tf_eip = -1071965457, tf_cs = 8, tf_eflags = 66051, 
      tf_esp = -191590400, tf_ss = -191574016}) at /usr/src/sys/i386/i386/trap.c:466
#6  0xc01b1aef in vm_map_lookup_entry (map=0xc023bfac, address=4103376896, 
    entry=0xfb300df8) at /usr/src/sys/vm/vm_map.c:476
#7  0xc01b33b2 in vm_map_delete (map=0xc023bfac, start=4103376896, end=4103393280)
    at /usr/src/sys/vm/vm_map.c:2080
#8  0xc01b35ca in vm_map_remove (map=0xc023bfac, start=4103376896, end=4103393280)
    at /usr/src/sys/vm/vm_map.c:2198
#9  0xc01b1161 in kmem_free (map=0xc023bfac, addr=4103376896, size=16384)
    at /usr/src/sys/vm/vm_kern.c:233
#10 0xc01513a8 in pipe_free_kmem (cpipe=0xf5042540)
    at /usr/src/sys/kern/sys_pipe.c:1166
#11 0xc015151e in pipeclose (cpipe=0xf5042540) at /usr/src/sys/kern/sys_pipe.c:1222
#12 0xc015136d in pipe_close (fp=0xcd277700, p=0xfb276080)
    at /usr/src/sys/kern/sys_pipe.c:1153
#13 0xc0135887 in fdrop (fp=0xcd277700, p=0xfb276080) at /usr/src/sys/sys/file.h:218
#14 0xc01357cf in closef (fp=0xcd277700, p=0xfb276080)
    at /usr/src/sys/kern/kern_descrip.c:1279
#15 0xc0134bd1 in close (p=0xfb276080, uap=0xfb300f80)
    at /usr/src/sys/kern/kern_descrip.c:581
#16 0xc01e71d9 in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, tf_edi = 0, 
      tf_esi = 672184960, tf_ebp = -1077938468, tf_isp = -80736300, 
      tf_ebx = 672109804, tf_edx = 0, tf_ecx = 0, tf_eax = 6, tf_trapno = 7, 
      tf_err = 2, tf_eip = 672063020, tf_cs = 31, tf_eflags = 647, 
      tf_esp = -1077938512, tf_ss = 47}) at /usr/src/sys/i386/i386/trap.c:1175
#17 0xc01d451b in Xint0x80_syscall ()
#18 0x280dbf27 in ?? ()
#19 0x804b0ff in ?? ()
#20 0x804a76c in ?? ()
#21 0x804b2a2 in ?? ()
#22 0x8049fd5 in ?? ()
#23 0x8049b04 in ?? ()
#24 0x80498c9 in ?? ()
(kgdb) up 5
#5  0xc01e6663 in trap (frame={tf_fs = -80740328, tf_es = -1071972336, 
      tf_ds = -1071448048, tf_edi = -191590400, tf_esi = -80736776, 
      tf_ebp = -80736828, tf_isp = -80736856, tf_ebx = -1071398996, 
      tf_edx = -454725664, tf_ecx = -191590400, tf_eax = 0, tf_trapno = 12, 
      tf_err = 0, tf_eip = -1071965457, tf_cs = 8, tf_eflags = 66051, 
      tf_esp = -191590400, tf_ss = -191574016}) at /usr/src/sys/i386/i386/trap.c:466
466				(void) trap_pfault(&frame, FALSE, eva);
(kgdb) frame frame->tf_ebp frame->tf_eip
#0  vm_map_lookup_entry (map=0xc023bfac, address=4103376896, entry=0xfb300df8)
    at /usr/src/sys/vm/vm_map.c:462
462			if (cur->end > address) {
(kgdb) list
457		/*
458		 * Search linearly
459		 */
460	
461		while (cur != last) {
462			if (cur->end > address) {
463				if (address >= cur->start) {
464					/*
465					 * Save this lookup for future hints, and
466					 * return
(kgdb) print cur-end   >end
Cannot access memory at address 0xc.
(kgdb) print address
$1 = 0
(kgdb) print cur
$2 = 0x0
(kgdb) quit
venus# exit
exit

Script done on Sat Feb  8 15:41:29 2003