From owner-freebsd-stable@FreeBSD.ORG Sun Jan 7 15:18:05 2007 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 0146916A412 for ; Sun, 7 Jan 2007 15:18:05 +0000 (UTC) (envelope-from scrappy@freebsd.org) Received: from hub.org (hub.org [200.46.204.220]) by mx1.freebsd.org (Postfix) with ESMTP id 9C7F213C480 for ; Sun, 7 Jan 2007 15:18:04 +0000 (UTC) (envelope-from scrappy@freebsd.org) Received: from localhost (unknown [200.46.204.187]) by hub.org (Postfix) with ESMTP id 5BABC118B421; Sun, 7 Jan 2007 11:17:58 -0400 (AST) Received: from hub.org ([200.46.204.220]) by localhost (mx1.hub.org [200.46.204.187]) (amavisd-new, port 10024) with ESMTP id 77600-06; Sun, 7 Jan 2007 11:17:57 -0400 (AST) Received: from ganymede.hub.org (blk-137-79-174.eastlink.ca [24.137.79.174]) by hub.org (Postfix) with ESMTP id 8F4A3118B417; Sun, 7 Jan 2007 11:17:57 -0400 (AST) Received: from localhost (localhost [127.0.0.1]) by ganymede.hub.org (Postfix) with ESMTP id F1EBB3ABDA; Sun, 7 Jan 2007 11:18:08 -0400 (AST) Date: Sun, 07 Jan 2007 11:18:08 -0400 From: "Marc G. Fournier" To: Robert Watson , "Marc G. Fournier" Message-ID: In-Reply-To: <20070107140119.M46119@fledge.watson.org> References: <8FF1D577DF1087259D6F71E0@ganymede.hub.org> <20070107140119.M46119@fledge.watson.org> X-Mailer: Mulberry/4.0.7 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Cc: freebsd-stable@freebsd.org, jhb@FreeBSD.org Subject: Re: Fatal trap 12: page fault while in kernel mode X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Jan 2007 15:18:05 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Working on upgrading and applying patch right now ... thanks ... - --On Sunday, January 07, 2007 14:03:41 +0000 Robert Watson=20 wrote: > > On Sat, 6 Jan 2007, Marc G. Fournier wrote: > >> Just had the following happen on a FreeBSD 6.2-PRERELEASE #7: Sun Dec 17 >> 01:28:52 AST 2006 system ... amd64, HP Proliant, 6G of RAM ... have core if >> there is information that I can provide out of it ... >> >> Fatal trap 12: page fault while in kernel mode >> cpuid =3D 0; apic id =3D 00 >> fault virtual address =3D 0x18c >> fault code =3D supervisor read, page not present >> instruction pointer =3D 0x8:0xffffffff801f9053 >> stack pointer =3D 0x10:0xffffffffb5c78b30 >> frame pointer =3D 0x10:0xffffffffb5c78b60 >> code segment =3D base 0x0, limit 0xfffff, type 0x1b >> =3D DPL 0, pres 1, long 1, def32 0, gran 1 >> processor eflags =3D resume, IOPL =3D 0 >> current process =3D 5 (thread taskq) >> trap number =3D 12 >> panic: page fault >> cpuid =3D 0 >> Uptime: 8d22h25m40s >> >> (kgdb) where >> # 0 doadump () at pcpu.h:172 >> # 1 0xffffffff80203955 in boot (howto=3D260) at >> /usr/src/sys/kern/kern_shutdown.c:409 >> # 2 0xffffffff80204065 in panic (fmt=3D0xffffff019b667720 >> "X\223f\233\001=C3=BF=C3=BF=C3=BF\020=C2=B5c\233\001=C3=BF=C3=BF=C3=BF") at >> /usr/src/sys/kern/kern_shutdown.c:565 >> # 3 0xffffffff803287a6 in trap_fatal (frame=3D0xc, = eva=3D18446742981100074784) >> # at >> /usr/src/sys/amd64/amd64/trap.c:660 >> # 4 0xffffffff80328cd8 in trap (frame=3D >> {tf_rdi =3D 112, tf_rsi =3D -1092609476832, tf_rdx =3D 6, tf_rcx =3D = 3221225730, >> tf_r8 =3D -1245213424, tf_r9 =3D -1092609476832, tf_rax =3D 1, tf_rbx =3D >> - -1096874331952, tf_rbp =3D -1245213856, tf_r10 =3D -2142258536, tf_r11 =3D = 0, >> tf_r12 =3D 4, tf_r13 =3D -1092609476832, tf_r14 =3D 4, tf_r15 =3D 1, = tf_trapno =3D 12, >> tf_addr =3D 396, tf_flags =3D -2145197496, tf_err =3D 0, tf_rip =3D = -2145415085, >> tf_cs =3D 8, tf_rflags =3D 65538, tf_rsp =3D -1245213888, tf_ss =3D 16}) at >> /usr/src/sys/amd64/amd64/trap.c:238 >> # 5 0xffffffff80313c6b in calltrap () at >> /usr/src/sys/amd64/amd64/exception.S:168 >> # 6 0xffffffff801f9053 in _mtx_lock_sleep (m=3D0xffffff009d31f0d0, >> tid=3D18446742981100074784, opts=3D6, file=3D0xc0000102
> bounds>, line=3D-1245213424) at /usr/src/sys/kern/kern_mutex.c:546 >> # 7 0xffffffff8025b1ac in unp_gc (arg=3D0x70, pending=3D-1687783648) at >> /usr/src/sys/kern/uipc_usrreq.c:1714 >> # 8 0xffffffff8022c314 in taskqueue_run (queue=3D0xffffff0000844800) at >> /usr/src/sys/kern/subr_taskqueue.c:257 >> # 9 0xffffffff8022d0e7 in taskqueue_thread_loop (arg=3D0x70) at >> /usr/src/sys/kern/subr_taskqueue.c:376 >> # 10 0xffffffff801e7b76 in fork_exit (callout=3D0xffffffff8022d060 >> , arg=3D0xffffffff805030d0, = frame=3D0xffffffffb5c78c50) at >> /usr/src/sys/kern/kern_fork.c:821 >> # 11 0xffffffff80313fce in fork_trampoline () at >> /usr/src/sys/amd64/amd64/exception.S:394 > > This is a NULL pointer dereference in the UNIX domain socket code. John > Baldwin recently committed a fix for a bug with these symptoms to 7-CURRENT, > with an MFC planned in the near future. The fix won't make 6.2-RELEASE, but > assuming it tests out well over the next few weeks, we will cut an errata > patch/announcement for it. I believe you can pull down his 6-STABLE version > at: > > http://people.FreeBSD.org/~jhb/patches/unp_gc.patch > > This same patch is currently in texting on mx1.FreeBSD.org. > > (John CC'd) > > Robert N M Watson > Computer Laboratory > University of Cambridge - ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email . scrappy@hub.org MSN . scrappy@hub.org Yahoo . yscrappy Skype: hub.org ICQ . 7615664 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFoQ8w4QvfyHIvDvMRAuTzAKDrPBUZ0dRgdujdSzQjbFyh2xiYcACgm8Oa adOhc5QuzI99WsjjjWaSi64=3D =3DlmyP -----END PGP SIGNATURE-----