From owner-freebsd-threads@FreeBSD.ORG Sun Oct 19 11:16:29 2003 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E3C3016A4B3 for ; Sun, 19 Oct 2003 11:16:29 -0700 (PDT) Received: from mail.pcnet.com (mail.pcnet.com [204.213.232.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0E61E43FA3 for ; Sun, 19 Oct 2003 11:16:29 -0700 (PDT) (envelope-from eischen@vigrid.com) Received: from mail.pcnet.com (mail.pcnet.com [204.213.232.4]) by mail.pcnet.com (8.12.10/8.12.1) with ESMTP id h9JIGSBR013514; Sun, 19 Oct 2003 14:16:28 -0400 (EDT) Date: Sun, 19 Oct 2003 14:16:27 -0400 (EDT) From: Daniel Eischen X-Sender: eischen@pcnet5.pcnet.com To: Morten Rodal In-Reply-To: <20031019145805.GA63314@slurp.rodal.no> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: threads@freebsd.org Subject: Re: libkse and bus error X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Oct 2003 18:16:30 -0000 On Sun, 19 Oct 2003, Morten Rodal wrote: > I seem to be able to crash almost every pthread program that uses > pthread_mutex'es. First I thought it was a problem with > pthread_testcancel(), until I compiled libkse with DEBUG_FLAGS=-g on > one of machines. > > Backtrace from a machine with DEBUG_FLAGS=-g and libkse: > > #0 0x28e6ed1b in kse_thr_interrupt () at {standard input}:15 > #1 0x28e5f990 in _thr_sig_add (pthread=0x81fab00, sig=136293172, > info=0x0) > at /usr/src/lib/libpthread/thread/thr_sig.c:885 > #2 0x28e687cb in kse_check_completed (kse=0x81fab00) > at /usr/src/lib/libpthread/thread/thr_kern.c:1558 > #3 0x28e6721c in kse_sched_multi (kmbx=0x17e) > at /usr/src/lib/libpthread/thread/thr_kern.c:1021 This is a problem. The mailbox pointer is invalid. > #4 0x08207000 in ?? () > #5 0x080bc6c6 in DCTransferView::DC_DownloadManagerCallBack(CObject*) () > > > On a machine without DEBUG_FLAGS=-g this backtrace: > > (gdb) bt > #0 0x288e96bb in pthread_testcancel () from /usr/lib/libkse.so.1 > #1 0x288e371b in pthread_mutexattr_init () from /usr/lib/libkse.so.1 > #2 0x288e219c in pthread_mutexattr_init () from /usr/lib/libkse.so.1 > #3 0x082d6000 in ?? () > #4 0x291e2807 in nsWindow::OnContainerFocusInEvent(_GtkWidget*, _GdkEventFocus*) () from /usr/X11R6/lib/firebird/lib/mozilla-1.5/components/libwidget_gtk2.so > > > One machine is running a kernel from > > FreeBSD slurp.rodal.no 5.1-CURRENT FreeBSD 5.1-CURRENT #3: Tue Oct 14 20:47:45 CEST 2003 root@slurp.rodal.no:/usr/obj/usr/src/sys/slurp i386 > > the other from > > FreeBSD hauk10.idi.ntnu.no 5.1-CURRENT FreeBSD 5.1-CURRENT #2: Fri Sep 26 09:12:55 CEST 2003 root@hauk10.idi.ntnu.no:/usr/obj/usr/src/sys/hauk10 i386 > > > For those of you who wonder, yes it is two different applications but > the first one crashed with the exact same back trace as the second one > before I installed a libkse with debugging information on > slurp.rodal.no. I'm not having any of these problems with a -current from Oct 12th on both SMP and UP systems. I'm using KDE and mozilla. How are you specifying libkse (/etc/libmap.conf or PTHREAD_LIBS)? Are you using nvidia at all? -- Dan Eischen