From owner-freebsd-current@FreeBSD.ORG Thu May 29 20:35:05 2003 Return-Path: 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 308FF37B401 for ; Thu, 29 May 2003 20:35:05 -0700 (PDT) Received: from remt20.cluster1.charter.net (remt20.cluster1.charter.net [209.225.8.30]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2AD4A43F3F for ; Thu, 29 May 2003 20:35:04 -0700 (PDT) (envelope-from glennpj@charter.net) Received: from [24.158.214.251] (HELO gforce.johnson.home) by remt20.cluster1.charter.net (CommuniGate Pro SMTP 4.0.6) with ESMTP id 44548675; Thu, 29 May 2003 23:35:01 -0400 Received: from gforce.johnson.home (localhost [127.0.0.1]) by gforce.johnson.home (8.12.9/8.12.9) with ESMTP id h4U3Yx2C031517; Thu, 29 May 2003 22:34:59 -0500 (CDT) (envelope-from glenn@gforce.johnson.home) Received: (from glenn@localhost) by gforce.johnson.home (8.12.9/8.12.9/Submit) id h4U3YxQC031516; Thu, 29 May 2003 22:34:59 -0500 (CDT) Date: Thu, 29 May 2003 22:34:59 -0500 From: Glenn Johnson To: Julian Elischer Message-ID: <20030530033458.GA31394@gforce.johnson.home> Mail-Followup-To: Julian Elischer , freebsd-current@freebsd.org, Dan Nelson References: <20030529230020.GA24085@gforce.johnson.home> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.4i cc: freebsd-current@freebsd.org cc: Dan Nelson Subject: Re: Libthr stable enough for testing X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Fri, 30 May 2003 03:35:05 -0000 On Thu, May 29, 2003 at 05:31:32PM -0700, Julian Elischer wrote: > On Thu, 29 May 2003, Glenn Johnson wrote: > > > On Thu, May 29, 2003 at 03:54:22PM -0700, Julian Elischer wrote: > > > > > > > On Thu, 29 May 2003, Glenn Johnson wrote: > > > > > > > On Thu, May 29, 2003 at 02:20:02AM -0400, Mike Makonnen wrote: > > > > > > > > > On Thu, 29 May 2003 00:35:32 -0500 Dan Nelson > > > > > wrote: > > > > > > > > > > > > > > > > The real problem is in the kernel, though. A userland > > > > > > non-root process should not be able to hard lock the system. > > > > > > One of the threads people will probably have to get an SMP > > > > > > machine to be able to debug it. > > > > > > > > > > > > > > > Upon first reading it I had assumed he meant gnome locked > > > > > up. Can you confirm this Glenn? Is the machine itself locked > > > > > solid (no ping, no ssh, not vtys, etc)? However, even if that > > > > > is the case a bug in the kernel does not preclude a bug in > > > > > libthr. > > > > > > > > The machine locks up solid. I can not do anything with it > > > > except hit the reset button. I mentioned gnome because gnome > > > > will trigger the lock up. I would imagine I would see the same > > > > thing with kde however. > > > > > > what about kernel debugger? > > > > I do not have the debugger enabled on the SMP box. I can set that > > up but probably not until next week. Will the debugger work if the > > machine locks up? > > that depends.. when it locked up, did it still respond to pings? No, the networking was dead as well. -- Glenn Johnson glennpj@charter.net