6.2-PRERELEASE kernel panic

Sun Jan 14 12:24:24 UTC 2007

Hello,
just some information for the brave to work on:

> cat info.0
 Dump header from device /dev/ad0s1b
  2   Architecture: i386
  3   Architecture Version: 2
  4   Dump Length: 2138505216B (2039 MB)
  5   Blocksize: 512
  6   Dumptime: Sun Jan 14 12:59:53 2007
  7   Hostname: gahrtop.localhost
  8   Magic: FreeBSD Kernel Dump
  9   Version String: FreeBSD 6.2-PRERELEASE #3: Thu Jan 11 12:51:35 CET 2007
 10     root at gahrtop.localhost:/usr/obj/usr/src/sys/GAHRTOP
 11   Panic String: page fault
 12   Dump Parity: 554348404
 13   Bounds: 0
 14   Dump Status: good

> kgdb -n 0

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0xbfc20518
fault code              = supervisor read, page not present
instruction pointer     = 0x20:0xc063daf9
stack pointer           = 0x28:0xe8fa9c4c
frame pointer           = 0x28:0xe8fa9c58
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         = 2077 (as)
trap number             = 12
panic: page fault
cpuid = 0
Uptime: 11m45s
Dumping 2039 MB (2 chunks)
  chunk 0: 1MB (159 pages) ... ok
  chunk 1: 2039MB (521936 pages) 2023 2007 1991 1975 1959 1943 1927
1911 1895 1879 1863 1847 1831 1815 1799 1783 1767 1751 1735 1719 1703
1687 1671 1655 (CTRL-C to abort)  1639 1623 1607 1591 1575 1559 1543
1527 1511 1495 1479 1463 1447 1431 1415 1399 1383 1367 1351 1335 1319
1303 1287 1271 1255 1239 1223 1207 1191 1175 1159 1143 1127 1111 1095
1079 1063 1047 1031 1015 999 983 967 951 935 919 903 887 871 855 839
823 807 791 775 759 743 727 711 695 679 663 647 631 615 599 583 567
551 535 519 503 487 471 455 439 423 407 391 375 359 343 327 311 295
279 263 247 231 (CTRL-C to abort)  (CTRL-C to abort)  (CTRL-C to
abort)  215 199 183 167 151 135 119 103 87 71 55 39 23 7

#0  doadump () at pcpu.h:165
165     pcpu.h: No such file or directory.
        in pcpu.h

(kgdb) bt
#0  doadump () at pcpu.h:165
#1  0xc04ecc46 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
#2  0xc04ecf6d in panic (fmt=0xc0659acb "%s") at
/usr/src/sys/kern/kern_shutdown.c:565
#3  0xc0640a00 in trap_fatal (frame=0xe8fa9c0c, eva=3217163544) at
/usr/src/sys/i386/i386/trap.c:837
#4  0xc064073f in trap_pfault (frame=0xe8fa9c0c, usermode=0,
eva=3217163544) at /usr/src/sys/i386/i386/trap.c:745
#5  0xc0640399 in trap (frame=
      {tf_fs = 8, tf_es = -1037565912, tf_ds = -963444696, tf_edi =
-1037189656, tf_esi = -1077803752, tf_ebp = -386229160, tf_isp =
-386229192, tf_ebx = -1015945272, tf_edx = 135553024, tf_ecx = 0,
tf_eax = 132376, tf_trapno = 12, tf_err = 0, tf_eip = -1067197703,
tf_cs = 32, tf_eflags = 66054, tf_esp = 1, tf_ss = -961889688}) at
/usr/src/sys/i386/i386/trap.c:435
#6  0xc062d49a in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7  0xc063daf9 in pmap_remove_pages (pmap=0xc6aabb28, sva=0,
eva=3217031168) at /usr/src/sys/i386/i386/pmap.c:2583
#8  0xc06012a3 in vmspace_exit (td=0xc683b180) at vm_map.h:251
#9  0xc04d352e in exit1 (td=0xc683b180, rv=0) at
/usr/src/sys/kern/kern_exit.c:295
#10 0xc04d2fd4 in sys_exit (td=0xc683b180, uap=0x20518) at
/usr/src/sys/kern/kern_exit.c:99
#11 0xc0640d47 in syscall (frame=
      {tf_fs = 59, tf_es = 59, tf_ds = 59, tf_edi = -1077941468,
tf_esi = -1077941484, tf_ebp = -1077941640, tf_isp = -386228892,
tf_ebx = 1, tf_edx = 10, tf_ecx = 31, tf_eax = 1, tf_trapno = 12,
tf_err = 2, tf_eip = 134971571, tf_cs = 51, tf_eflags = 658, tf_esp =
-1077941668, tf_ss = 59}) at /usr/src/sys/i386/i386/trap.c:983
#12 0xc062d4ef in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:200
#13 0x00000033 in ?? ()
Previous frame inner to this frame (corrupt stack?

(kgdb) where
#0  doadump () at pcpu.h:165
#1  0xc04ecc46 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
#2  0xc04ecf6d in panic (fmt=0xc0659acb "%s") at
/usr/src/sys/kern/kern_shutdown.c:565
#3  0xc0640a00 in trap_fatal (frame=0xe8fa9c0c, eva=3217163544) at
/usr/src/sys/i386/i386/trap.c:837
#4  0xc064073f in trap_pfault (frame=0xe8fa9c0c, usermode=0,
eva=3217163544) at /usr/src/sys/i386/i386/trap.c:745
#5  0xc0640399 in trap (frame=
      {tf_fs = 8, tf_es = -1037565912, tf_ds = -963444696, tf_edi =
-1037189656, tf_esi = -1077803752, tf_ebp = -386229160, tf_isp =
-386229192, tf_ebx = -1015945272, tf_edx = 135553024, tf_ecx = 0,
tf_eax = 132376, tf_trapno = 12, tf_err = 0, tf_eip = -1067197703,
tf_cs = 32, tf_eflags = 66054, tf_esp = 1, tf_ss = -961889688}) at
/usr/src/sys/i386/i386/trap.c:435
#6  0xc062d49a in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7  0xc063daf9 in pmap_remove_pages (pmap=0xc6aabb28, sva=0,
eva=3217031168) at /usr/src/sys/i386/i386/pmap.c:2583
#8  0xc06012a3 in vmspace_exit (td=0xc683b180) at vm_map.h:251
#9  0xc04d352e in exit1 (td=0xc683b180, rv=0) at
/usr/src/sys/kern/kern_exit.c:295
#10 0xc04d2fd4 in sys_exit (td=0xc683b180, uap=0x20518) at
/usr/src/sys/kern/kern_exit.c:99
#11 0xc0640d47 in syscall (frame=
      {tf_fs = 59, tf_es = 59, tf_ds = 59, tf_edi = -1077941468,
tf_esi = -1077941484, tf_ebp = -1077941640, tf_isp = -386228892,
tf_ebx = 1, tf_edx = 10, tf_ecx = 31, tf_eax = 1, tf_trapno = 12,
tf_err = 2, tf_eip = 134971571, tf_cs = 51, tf_eflags = 658, tf_esp =
-1077941668, tf_ss = 59}) at /usr/src/sys/i386/i386/trap.c:983
#12 0xc062d4ef in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s:200
#13 0x00000033 in ?? ()

Please ask for more infos!

Thanx
-- 
Pietro Cerutti
ICQ: 117293691
PGP: 0x9571F78E

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