Date: Sun, 27 Sep 2009 10:35:19 -0700 From: David Wolfskill <david@catwhisker.org> To: stable@freebsd.org Subject: 6.4-STABLE @r197533: iwi(4) implicated in page fault while in kernel mode Message-ID: <20090927173519.GC51983@albert.catwhisker.org>
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--lCAWRPmW1mITcIfM Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable See <http://www.catwhisker.org/~david/FreeBSD/core.txt.9>; for more details. Here's the first part of it: g1-89.catwhisker.org dumped core - see ./vmcore.9 Sun Sep 27 10:24:20 PDT 2009 FreeBSD g1-89.catwhisker.org 6.4-STABLE FreeBSD 6.4-STABLE #695 r197533: Su= n Sep 27 04:22:07 PDT 2009 root@g1-88.catwhisker.org:/common/S1/obj/usr= /src/sys/CANARY i386 panic: page fault GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain condition= s. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-marcel-freebsd"... Unread portion of the kernel message buffer: kernel trap 12 with interrupts disabled Fatal trap 12: page fault while in kernel mode fault virtual address =3D 0x78 fault code =3D supervisor read, page not present instruction pointer =3D 0x20:0xc06ad115 stack pointer =3D 0x28:0xe4528aa0 frame pointer =3D 0x28:0xe4528aa4 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, def32 1, gran 1 processor eflags =3D resume, IOPL =3D 0 current process =3D 8027 (ifconfig) trap number =3D 12 panic: page fault Uptime: 3h11m29s Dumping 767 MB (2 chunks) chunk 0: 1MB (159 pages) ... ok chunk 1: 767MB (196322 pages) 751 735 719 703 687 671 655 639 623 607 591= 575 559 543 527 511 495 479 463 447 431 415 399 383 367 351 335 319 303 28= 7 271 255 239 223 207 191 175 159 143 127 111 95 79 63 47 31 15 Reading symbols from /boot/kernel/linux.ko...done. Loaded symbols for /boot/kernel/linux.ko Reading symbols from /boot/kernel/if_iwi.ko...done. Loaded symbols for /boot/kernel/if_iwi.ko Reading symbols from /boot/kernel/firmware.ko...done. Loaded symbols for /boot/kernel/firmware.ko Reading symbols from /boot/kernel/acpi.ko...done. Loaded symbols for /boot/kernel/acpi.ko Reading symbols from /boot/kernel/linprocfs.ko...done. Loaded symbols for /boot/kernel/linprocfs.ko Reading symbols from /boot/modules/iwi_bss.ko...done. Loaded symbols for /boot/modules/iwi_bss.ko Reading symbols from /usr/local/modules/rtc.ko...done. Loaded symbols for /usr/local/modules/rtc.ko Reading symbols from /boot/kernel/radeon.ko...done. Loaded symbols for /boot/kernel/radeon.ko Reading symbols from /boot/kernel/drm.ko...done. Loaded symbols for /boot/kernel/drm.ko #0 doadump () at pcpu.h:165 165 pcpu.h: No such file or directory. in pcpu.h (kgdb) #0 doadump () at pcpu.h:165 #1 0xc068c1e6 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:4= 10 #2 0xc068c47c in panic (fmt=3D0xc0957dd5 "%s") at /usr/src/sys/kern/kern_shutdown.c:566 #3 0xc08fd5a4 in trap_fatal (frame=3D0xe4528a60, eva=3D120) at /usr/src/sys/i386/i386/trap.c:838 #4 0xc08fcd42 in trap (frame=3D {tf_fs =3D 333447176, tf_es =3D 40, tf_ds =3D 780009512, tf_edi =3D -= 992778212, tf_esi =3D -985385088, tf_ebp =3D -464352604, tf_isp =3D -464352= 628, tf_ebx =3D -994579200, tf_edx =3D 0, tf_ecx =3D 4, tf_eax =3D -9853850= 56, tf_trapno =3D 12, tf_err =3D 0, tf_eip =3D -1066741483, tf_cs =3D 32, t= f_eflags =3D 65538, tf_esp =3D -985385088, tf_ss =3D -464352568}) at /usr/s= rc/sys/i386/i386/trap.c:270 #5 0xc08ea1da in calltrap () at /usr/src/sys/i386/i386/exception.s:139 #6 0xc06ad115 in turnstile_setowner (ts=3D0xc4b7ed00, owner=3D0x4) at /usr/src/sys/kern/subr_turnstile.c:456 #7 0xc06ad472 in turnstile_wait (lock=3D0xc554557c, owner=3D0x4, queue=3D0) at /usr/src/sys/kern/subr_turnstile.c:661 #8 0xc0683082 in _mtx_lock_sleep (m=3D0xc554557c, tid=3D3309582208, opts= =3D0,=20 file=3D0x0, line=3D0) at /usr/src/sys/kern/kern_mutex.c:579 #9 0xc070a618 in rtrequest1 (req=3D1, info=3D0xe4528b60, ret_nrt=3D0xe4528= b54) at /usr/src/sys/net/route.c:792 #10 0xc070b0ff in rtinit (ifa=3D0xc5545500, cmd=3D1, flags=3D1) at /usr/src/sys/net/route.c:1201 #11 0xc0727b41 in in_addprefix (target=3D0xc5545500, flags=3D1) at /usr/src/sys/netinet/in.c:851 #12 0xc0727a6d in in_ifinit (ifp=3D0xc4922000, ia=3D0xc5545500, sin=3D0x4, = scrub=3D0) at /usr/src/sys/netinet/in.c:778 #13 0xc0726d68 in in_control (so=3D0xc543bde8, cmd=3D1, data=3D0xc54911c0 "= iwi0",=20 ifp=3D0xc4922000, td=3D0xc5443780) at /usr/src/sys/netinet/in.c:440 #14 0xc06fb2b8 in ifioctl (so=3D0xc543bde8, cmd=3D2151704858,=20 data=3D0xc54911c0 "iwi0", td=3D0xc5443780) at /usr/src/sys/net/if.c:1612 #15 0xc06b4e7b in soo_ioctl (fp=3D0xc54437a0, cmd=3D2151704858, data=3D0xc5= 4911c0,=20 active_cred=3D0xc47d8d80, td=3D0xc5443780) at /usr/src/sys/kern/sys_socket.c:214 #16 0xc06af31d in ioctl (td=3D0xc5443780, uap=3D0xe4528d04) at file.h:265 #17 0xc08fd8bb in syscall (frame=3D {tf_fs =3D 59, tf_es =3D 59, tf_ds =3D 59, tf_edi =3D 134570944, tf_e= si =3D 134580448, tf_ebp =3D -1077941288, tf_isp =3D -464351900, tf_ebx =3D= -2143262438, tf_edx =3D 134583233, tf_ecx =3D 134570944, tf_eax =3D 54, tf= _trapno =3D 12, tf_err =3D 2, tf_eip =3D 869574699, tf_cs =3D 51, tf_eflags= =3D 646, tf_esp =3D -1077943412, tf_ss =3D 59}) at /usr/src/sys/i386/i386/trap.c:984 #18 0xc08ea22f in Xint0x80_syscall () at /usr/src/sys/i386/i386/exception.s= :200 #19 0x00000033 in ?? () Previous frame inner to this frame (corrupt stack?) (kgdb)=20 The access point was a little less than a meter away from the laptop when that happened. I'm preserving a copy of that environment on slice 2. I'll be happy to test things, but note that this is not a common occurrence; I have no confidence that I can re-create it. Peace, david --=20 David H. Wolfskill david@catwhisker.org Depriving a girl or boy of an opportunity for education is evil. See http://www.catwhisker.org/~david/publickey.gpg for my public key. --lCAWRPmW1mITcIfM Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.13 (FreeBSD) iEYEARECAAYFAkq/olcACgkQmprOCmdXAD24xgCeJLa8b1BXn7ZhrfC2IdHPVzMw 8b4An056ZkppwA8xiHZ5rpCeDo49OThu =aou/ -----END PGP SIGNATURE----- --lCAWRPmW1mITcIfM--
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