From owner-freebsd-current@FreeBSD.ORG Tue Aug 24 00:52:00 2004 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 4212A16A4CE for ; Tue, 24 Aug 2004 00:52:00 +0000 (GMT) Received: from green.homeunix.org (pcp04371970pcs.nrockv01.md.comcast.net [69.140.223.203]) by mx1.FreeBSD.org (Postfix) with ESMTP id 335FC43D2F for ; Tue, 24 Aug 2004 00:51:58 +0000 (GMT) (envelope-from green@green.homeunix.org) Received: from green.homeunix.org (green@localhost [127.0.0.1]) by green.homeunix.org (8.13.1/8.13.1) with ESMTP id i7O0pqHr063029; Mon, 23 Aug 2004 20:51:52 -0400 (EDT) (envelope-from green@green.homeunix.org) Received: (from green@localhost) by green.homeunix.org (8.13.1/8.13.1/Submit) id i7O0pojb063028; Mon, 23 Aug 2004 20:51:50 -0400 (EDT) (envelope-from green) Date: Mon, 23 Aug 2004 20:51:49 -0400 From: Brian Fundakowski Feldman To: Garance A Drosihn Message-ID: <20040824005149.GG77326@green.homeunix.org> References: <20040822115345.Y94593@carver.gumbysoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.6i cc: freebsd-current@freebsd.org Subject: Re: PLEASE TEST: IPI deadlock avoidance patch 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: Tue, 24 Aug 2004 00:52:00 -0000 On Mon, Aug 23, 2004 at 02:17:30PM -0400, Garance A Drosihn wrote: > At 12:05 PM -0700 8/22/04, Doug White wrote: > >Hey folks, [...] please try this patch: > > > >http://people.freebsd.org/~dwhite/smp_rv_mtx.patch > > > >This patch avoids a deadlock between the smp_rendezvous() > >mechanism and TLB shootdowns via pmap by forcing them to > >share a mutex. > > I have completed a series of buildworlds with -j3 to -j10 with > no problem. I then started up a "folding at home" client, and > repeated the buildworlds. No panics, but in the second set I > did have one buildworld (-j9) which failed with four processes > apparently getting a "*** Signal 6". I am not sure what that > was about. Note that all these builds were done with a `make' > that was compiled to USE_KQUEUE , so maybe that's where the > Signal's came from. In any case, the machine is still running > fine, even after that heavy pounding. Are you watching system temperatures? -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\