From owner-freebsd-stable@FreeBSD.ORG Tue Apr 14 13:45:10 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D9C0C106566C for ; Tue, 14 Apr 2009 13:45:10 +0000 (UTC) (envelope-from oleg@opentransfer.com) Received: from smh01.opentransfer.com (smh01.opentransfer.com [71.18.216.112]) by mx1.freebsd.org (Postfix) with ESMTP id 9B04B8FC1B for ; Tue, 14 Apr 2009 13:45:10 +0000 (UTC) (envelope-from oleg@opentransfer.com) Received: by smh01.opentransfer.com (Postfix, from userid 8) id 7952D1020087; Tue, 14 Apr 2009 09:03:50 -0400 (EDT) X-Spam-Checker-Version: SpamAssassin 3.2.4 (2008-01-01) on smh01.opentransfer.com X-Spam-Level: X-Spam-Status: No, score=0.1 required=5.0 tests=RDNS_NONE autolearn=disabled version=3.2.4 Received: from webmail4.opentransfer.com (unknown [69.49.230.6]) by smh01.opentransfer.com (Postfix) with ESMTP id 5F0871020087 for ; Tue, 14 Apr 2009 09:03:50 -0400 (EDT) Received: from webmail4.opentransfer.com (webmail4.opentransfer.com [127.0.0.1]) by webmail4.opentransfer.com (8.13.8/8.13.8) with ESMTP id n3ED4Cg1031090 for ; Tue, 14 Apr 2009 08:04:12 -0500 Received: (from nobody@localhost) by webmail4.opentransfer.com (8.13.8/8.13.5/Submit) id n3ED4CX6031089 for freebsd-stable@freebsd.org; Tue, 14 Apr 2009 16:04:12 +0300 X-Authentication-Warning: webmail4.opentransfer.com: nobody set sender to oleg@opentransfer.com using -f Received: from cabin.theweb.org.ua (cabin.theweb.org.ua [91.195.184.50]) by webmail.opentransfer.com (Horde MIME library) with HTTP; for ; Tue, 14 Apr 2009 16:04:11 +0300 Message-ID: <20090414160411.042472seockg0css@webmail.opentransfer.com> Date: Tue, 14 Apr 2009 16:04:11 +0300 From: "Oleg V. Nauman" To: freebsd-stable@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=KOI8-R; DelSp="Yes"; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable User-Agent: Internet Messaging Program (IMP) H3 (4.1.4) X-Originating-IP: 91.195.184.50 Subject: 7.2-PRERELEASE: make process waiting indefinitely X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 14 Apr 2009 13:45:11 -0000 Have experienced today strange issue with my fresh RELENG_7 ( =20 sources from yesterday April 13, userland and kernel in sync ) - =20 sometimes some processes stop running without any visible reason. Have =20 seen it twice today during KDE compilation - make process just waiting =20 for something while nothing else compiles or some other way prevents =20 this process from running ( no SIGSTOP performed, no Ctrl-S performed =20 on console). Well it possible related to ( or triggered by ) new ports =20 compilation feature for SMP machines ( most of KDE port marked as =20 MAKE_JOBS_SAFE=3Dyes ) but anyway this stuck process behavior is =20 strange. kill -SIGCONT not helps, but it killable ( Ctrl-C helps at =20 least ) Well some info related to this process: procstat -t 63472 output: PID TID COMM TDNAME CPU PRI STATE WCHAN 63472 100059 make - 1 92 sleep wait procstat -kk 63472 output: PID TID COMM TDNAME KSTACK 63472 100059 make - mi_switch+0x2c8 =20 sleepq_switch+0xd9 sleepq_catch_signals+0x239 sleepq_wait_sig+0x14 =20 _sleep+0x307 kern_wait+0xa36 wait4+0x3b syscall+0x2b3 =20 Xint0x80_syscall+0x20 Some related sysctls output: kern.smp.cpus: 2 kern.smp.disabled: 0 kern.smp.active: 1 uname -msr output: FreeBSD 7.2-PRERELEASE i386