From owner-freebsd-stable@FreeBSD.ORG Wed Apr 27 15:27:59 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9454416A53A for ; Wed, 27 Apr 2005 15:27:59 +0000 (GMT) Received: from mail.bitdefender.com (ns.bitdefender.com [217.156.83.1]) by mx1.FreeBSD.org (Postfix) with ESMTP id D83CB43D49 for ; Wed, 27 Apr 2005 15:27:57 +0000 (GMT) (envelope-from apircalabu@bitdefender.com) Received: (qmail 29912 invoked by uid 1010); 27 Apr 2005 18:21:55 +0300 Received: from apircalabu.dsd.ro (10.10.15.22) by mail.bitdefender.com with AES256-SHA encrypted SMTP; 27 Apr 2005 18:21:54 +0300 Date: Wed, 27 Apr 2005 18:28:50 +0300 From: Adi Pircalabu To: freebsd-hackers@freebsd.org Message-ID: <20050427182850.3056f9f6@apircalabu.dsd.ro> Organization: BitDefender X-Mailer: Sylpheed-Claws 1.0.4 (GTK+ 1.2.10; i386-portbld-freebsd5.4) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BitDefender-SpamStamp: 1.1.3 044000040111 X-BitDefender-Scanner: Clean, Agent: BitDefender Qmail 1.6.1 on mail.bitdefender.com X-BitDefender-Spam: No (0) cc: freebsd-bugs@freebsd.org cc: freebsd-stable@freebsd.org Subject: Multithreaded program crashes on SMP (HT enabled) machine X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Apr 2005 15:28:00 -0000 Hello, I have a multithreaded application ported on FreeBSD 5.3 which crashes in a minute or less if hyperthreading in enabled. Without HT there is no problem. How and where should I start to investigate the problem? The backtrace: (gdb) bt #0 0x2819631b in pthread_testcancel () from /usr/lib/libpthread.so.1 #1 0x2818e902 in pthread_mutexattr_init () from /usr/lib/libpthread.so.1 #2 0x00000000 in ?? () Thank you -- Adrian Pircalabu Public KeyID = 0x04329F5E -- This message was scanned for spam and viruses by BitDefender. For more information please visit http://linux.bitdefender.com/