From owner-freebsd-bugs@FreeBSD.ORG Wed Oct 27 18:30:37 2004 Return-Path: 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 BCCF916A4CF for ; Wed, 27 Oct 2004 18:30:37 +0000 (GMT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id A97EB43D2D for ; Wed, 27 Oct 2004 18:30:37 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.12.11/8.12.11) with ESMTP id i9RIUbO0095911 for ; Wed, 27 Oct 2004 18:30:37 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.12.11/8.12.11/Submit) id i9RIUbLw095910; Wed, 27 Oct 2004 18:30:37 GMT (envelope-from gnats) Date: Wed, 27 Oct 2004 18:30:37 GMT Message-Id: <200410271830.i9RIUbLw095910@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: Ken Smith Subject: Re: kern/72979: unkillable process(es) stuck in `STOP' state X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Ken Smith List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Oct 2004 18:30:37 -0000 The following reply was made to PR kern/72979; it has been noted by GNATS. From: Ken Smith To: Mikhail Teterin Cc: Ken Smith , David Xu , Michael Nottebrock , re@freebsd.org, davidxu@t2t2.com, davidxu@viatech.com.cn, freebsd-gnats-submit@freebsd.org Subject: Re: kern/72979: unkillable process(es) stuck in `STOP' state Date: Wed, 27 Oct 2004 14:23:40 -0400 On Tue, Oct 26, 2004 at 12:07:47PM -0400, Mikhail Teterin wrote: > =On Tue, Oct 26, 2004 at 07:11:54PM +0800, David Xu wrote: > =That looks both promising (given symptoms) and low-risk. > = > =Mikhail et. al., will you have any problems testing that? > > This problem was not easy to reproduce to begin with :-( > > I don't even know, how it can be positively claimed gone. Shall we merge > David's fix into RELENG_5 and hope for the best? > > -mi Has anyone had time to test David's patch? If yes have you had any problems since? I should know later today if the other person who had been reporting problems has had them stop. He reported last night he was still able to reproduce the problem but he hasn't had any "luck" doing it today. David, my only real question I guess is whether perhaps P_STOPPED_SINGLE should be added to the flags that are being turned off by your patch. If I'm following the code right what had made P_STOPPED_TRACE special was it's one of the three signals lumped into P_STOPPED and the code in do_tdsignal() looks for that, as well as I'm sure the schedulers... -- Ken Smith - From there to here, from here to | kensmith@cse.buffalo.edu there, funny things are everywhere. | - Theodore Geisel |