Return-Path: Delivered-To: apmail-new-httpd-archive@apache.org Received: (qmail 37225 invoked by uid 500); 25 Jul 2001 16:21:47 -0000 Mailing-List: contact new-httpd-help@apache.org; run by ezmlm Precedence: bulk Reply-To: new-httpd@apache.org list-help: list-unsubscribe: list-post: Delivered-To: mailing list new-httpd@apache.org Received: (qmail 37196 invoked from network); 25 Jul 2001 16:21:46 -0000 X-Authentication-Warning: rdu88-250-179.nc.rr.com: trawick set sender to trawick@attglobal.net using -f Sender: trawick@rdu88-250-179.nc.rr.com To: new-httpd@apache.org Subject: Re: threaded MPM problems References: From: Jeff Trawick Date: 25 Jul 2001 12:12:14 -0400 In-Reply-To: Message-ID: Lines: 28 User-Agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/20.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Spam-Rating: h31.sny.collab.net 1.6.2 0/1000/N Jeff Trawick writes: > Jeff Trawick writes: > > > [Wed Jul 25 08:28:06 2001] [notice] child pid 604 exit signal Segmentation fault (11) > > [Wed Jul 25 08:28:07 2001] [notice] child pid 628 exit signal Segmentation fault (11) > > [Wed Jul 25 08:28:07 2001] [notice] child pid 627 exit signal Segmentation fault (11) > > [Wed Jul 25 08:28:07 2001] [notice] child pid 626 exit signal Segmentation fault (11) > > [Wed Jul 25 08:28:08 2001] [notice] child pid 603 exit signal Segmentation fault (11) > > [Wed Jul 25 08:28:08 2001] [notice] child pid 545 exit signal Segmentation fault (11) > > I could never got a core dump for this but after adding ap_log_error() > calls to threaded.c and fprintf()+fflush() calls to APR I found that > sigwait() is segfaulting. > > In a run I just did, we had processes sitting happily in sigwait() for > 10-11 seconds before they segfaulted. In another run it happened > within a second. > > I can't seem to get strace running on such a process when it segfaults. bogus analysis I'm sure... probably a worker thread is blowing up somewhere while main thread is sitting in sigwait() -- Jeff Trawick | trawick@attglobal.net | PGP public key at web site: http://www.geocities.com/SiliconValley/Park/9289/ Born in Roswell... married an alien...