From owner-freebsd-bugs@FreeBSD.ORG Sun Sep 3 21:00:44 2006 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DBD1816A4F3 for ; Sun, 3 Sep 2006 21:00:44 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 11AB343D5A for ; Sun, 3 Sep 2006 21:00:40 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id k83L0dhb011716 for ; Sun, 3 Sep 2006 21:00:39 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.4/8.13.4/Submit) id k83L0d9D011715; Sun, 3 Sep 2006 21:00:39 GMT (envelope-from gnats) Resent-Date: Sun, 3 Sep 2006 21:00:39 GMT Resent-Message-Id: <200609032100.k83L0d9D011715@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Andreas Longwitz Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E271716A4E8 for ; Sun, 3 Sep 2006 20:58:15 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [216.136.204.117]) by mx1.FreeBSD.org (Postfix) with ESMTP id B33EA43D49 for ; Sun, 3 Sep 2006 20:58:15 +0000 (GMT) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.13.1/8.13.1) with ESMTP id k83KwFhQ015303 for ; Sun, 3 Sep 2006 20:58:15 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.13.1/8.13.1/Submit) id k83KwFH8015301; Sun, 3 Sep 2006 20:58:15 GMT (envelope-from nobody) Message-Id: <200609032058.k83KwFH8015301@www.freebsd.org> Date: Sun, 3 Sep 2006 20:58:15 GMT From: Andreas Longwitz To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-2.3 Cc: Subject: bin/102834: /usr/bin/mail hangs on the sigsuspend system call in popen.c X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Sep 2006 21:00:44 -0000 >Number: 102834 >Category: bin >Synopsis: /usr/bin/mail hangs on the sigsuspend system call in popen.c >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Sep 03 21:00:39 GMT 2006 >Closed-Date: >Last-Modified: >Originator: Andreas Longwitz >Release: FreeBSD 6.1 >Organization: Data Service Stockelsdorf, Germany >Environment: FreeBSD loserver.longwitz 6.1-RELEASE FreeBSD 6.1-RELEASE #0: Tue May 23 22:16:05 CEST 2006 root@loserver.longwitz:/usr/src/sys/i386/compile/LOSERVER i386 >Description: Sometimes the command /usr/bin/mail -s subject mailadr hangs on the sigsuspend system call in popen.c. This happens when the function findchild() running from wait_child() is interrupted by sigchild() running findchild() again. This happens when the child started just before exits too quickly. >How-To-Repeat: >Fix: In popen.c (functions free_child() and wait_child()) the line struct child *cp = findchild(pid); must be moved after the 3 sigfunction-calls. >Release-Note: >Audit-Trail: >Unformatted: