From owner-freebsd-current@FreeBSD.ORG Mon Nov 6 19:46:20 2006 Return-Path: X-Original-To: current@FreeBSD.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 67BA916A521; Mon, 6 Nov 2006 19:46:20 +0000 (UTC) (envelope-from kris@obsecurity.org) Received: from elvis.mu.org (elvis.mu.org [192.203.228.196]) by mx1.FreeBSD.org (Postfix) with ESMTP id 28BED43DCE; Mon, 6 Nov 2006 19:45:54 +0000 (GMT) (envelope-from kris@obsecurity.org) Received: from obsecurity.dyndns.org (elvis.mu.org [192.203.228.196]) by elvis.mu.org (Postfix) with ESMTP id E73AB1A4D82; Mon, 6 Nov 2006 11:45:53 -0800 (PST) Received: by obsecurity.dyndns.org (Postfix, from userid 1000) id 386AD51449; Mon, 6 Nov 2006 14:45:46 -0500 (EST) Date: Mon, 6 Nov 2006 14:45:46 -0500 From: Kris Kennaway To: current@FreeBSD.org Message-ID: <20061106194546.GM41049@xor.obsecurity.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="q8dntDJTu318bll0" Content-Disposition: inline User-Agent: Mutt/1.4.2.2i Cc: andre@FreeBSD.org Subject: sendfile panic X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 06 Nov 2006 19:46:20 -0000 --q8dntDJTu318bll0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline 8 machines panicked overnight with: Fatal trap 12: page fault while in kernel mode fault virtual address = 0xf0 fault code = supervisor read, page not present instruction pointer = 0x20:0xc04e12f0 stack pointer = 0x28:0xe5e1fb30 frame pointer = 0x28:0xe5e1fb4c 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 = 93306 (conftest) db> wh Tracing pid 93306 tid 100139 td 0xc373a1c0 _mtx_lock_flags(e0,0,c06d58d2,8e7,c2fda104,...) at _mtx_lock_flags+0x40 kern_sendfile(c373a1c0,e5e1fd04,0,c44fc640,0,...) at kern_sendfile+0xe89 do_sendfile(c373a1c0,e5e1fd04,0,e5e1fd30,c069ff73,...) at do_sendfile+0xc4 sendfile(c373a1c0,e5e1fd04,20,4,c,...) at sendfile+0x20 syscall(3b,3b,3b,bfbfe42c,bfbfe424,...) at syscall+0x2e3 Xint0x80_syscall() at Xint0x80_syscall+0x1f --- syscall (393, FreeBSD ELF32, sendfile), eip = 0x280c9b57, esp = 0xbfbfe3ac, ebp = 0xbfbfe3d8 --- Looks like it's a GNU configure test failing, so something fairly basic is broken in sendfile. I think it's the lighttpd port that is triggering the bug. Kris --q8dntDJTu318bll0 Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFFT5DpWry0BWjoQKURAgXEAKD+SB6Er+6xguUbJWRiX8+Ker63eACgsikm usY+8bQhgbgIdV5KeWUPT9A= =dd0Z -----END PGP SIGNATURE----- --q8dntDJTu318bll0--