From owner-freebsd-current@FreeBSD.ORG Mon Feb 1 22:24:16 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 315A6106568F; Mon, 1 Feb 2010 22:24:16 +0000 (UTC) (envelope-from jamesbrandongooch@gmail.com) Received: from mail-pz0-f202.google.com (mail-pz0-f202.google.com [209.85.222.202]) by mx1.freebsd.org (Postfix) with ESMTP id EFBE78FC16; Mon, 1 Feb 2010 22:24:15 +0000 (UTC) Received: by pzk40 with SMTP id 40so1565560pzk.7 for ; Mon, 01 Feb 2010 14:24:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=WZRYnuD3TYhZtwdrgF9hPMG7M/sttA924GFZSGwt8QQ=; b=hjveeOrrj8pLZ/dpy5S9NHrNMgrAuIuG/qr1GNbvugUHWU4ek85eMZa4NHJNoYHABO do3cROSEUgBcmTotUBe1b1YXrKzRlPa5UaHEY0BkrqlXbFTYkX8BZPDSQvaFlwCTBznQ VohY2YIgVTFjiBAiN13fGoaEzoh54Cs7+LZaU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=CKdzLpEFO7yPDDuXbKkZ+Q3gpmbYtIGFmBJNJDUnvijHo+KaLjCtZ9ytLkReKKA78h Z1h/Fc8RoqBHoJBdC228XNXI+mUPM/85C1+miZrXhNEAe8hE3iXMslbpawhIScN8/oWH iFaIjkKrdPSY6i+AtuB579CJ9+F1Hzjz31xN4= MIME-Version: 1.0 Received: by 10.142.152.15 with SMTP id z15mr3434753wfd.98.1265063055489; Mon, 01 Feb 2010 14:24:15 -0800 (PST) In-Reply-To: <4e6cba831002011404h1b6b893cj2390bf0a7560a7f2@mail.gmail.com> References: <20100128201520.6a114290@ernst.jennejohn.org> <117532D7-75B9-4BE8-A8B6-0A6761064B92@lakerest.net> <4e6cba831001290744m6067691ct489c61fe9cd28502@mail.gmail.com> <179b97fb1001291212p5b0829f2pea28ab36a85751cf@mail.gmail.com> <4e6cba831002011404h1b6b893cj2390bf0a7560a7f2@mail.gmail.com> Date: Mon, 1 Feb 2010 16:24:15 -0600 Message-ID: <179b97fb1002011424p4a799ff6t8f6b39e6f4b66828@mail.gmail.com> From: Brandon Gooch To: Giovanni Trematerra Content-Type: text/plain; charset=ISO-8859-1 Cc: Attilio Rao , FreeBSD Current , Randall Stewart Subject: Re: A strange thing with yesterday's head.. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Mon, 01 Feb 2010 22:24:16 -0000 On Mon, Feb 1, 2010 at 4:04 PM, Giovanni Trematerra wrote: > On Fri, Jan 29, 2010 at 9:12 PM, Brandon Gooch > wrote: >> On Fri, Jan 29, 2010 at 3:44 PM, Giovanni Trematerra >> wrote: >>> On Thu, Jan 28, 2010 at 10:55 PM, Randall Stewart wrote: >>>> I was running SCHED_ULE on an 8.0 and everything works >>>> fine. >>>> >>>> On my 2 core head of yesterday I tried both SCHED_ULE AND >>>> 4BSD.. and got the same results ;-0 >>>> >>>> I will try my 4 core when I get home ;-) >>>> >>>> R >>>> On Jan 28, 2010, at 11:15 AM, Gary Jennejohn wrote: >>>> >>>>> On Thu, 28 Jan 2010 10:30:37 -0800 >>>>> Randall Stewart wrote: >>>>> >>>>>> All: >>>>>> >>>>>> I just found a very strange thing with yesterdays head. >>>>>> >>>>>> The program >>>>>> >>>>>> http://www.freebsd.org/~rrs/my_thr.c >>>>>> >>>>>> I compile it: >>>>>> >>>>>> cc -g -o my_thr my_thr.c /usr/lib/libthr.a -lpthread >>>>>> >>> >>> Hi Randal, >>> I tried your code on an 8-core machine with a fresh head (i386) >>> I have no problems with both 4BSD and ULE scheduler. >>> I even upping the value of macro NUM_THREAD to 24 but I didn't notice >>> nothing strange. >>> >>> Have you got a chance to reproduce it on your machines? >>> >>> -- >>> Gianni >>> _______________________________________________ >>> freebsd-current@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-current >>> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >>> >> >> I ran it on my dual-core, 8-STABLE/ULE laptop. The very first time I >> ran it, I experienced the temporary "seizure". It took several more >> runs before I could get it to happen again. >> > > Hi Brandon, > which kind of processor your laptop has? AMD or Intel? > -- > Gianni > CPU: Intel(R) Core(TM)2 Duo CPU L7100 @ 1.20GHz (1197.01-MHz K8-class CPU) Origin = "GenuineIntel" Id = 0x6fb Stepping = 11 Features=0xbfebfbff Features2=0xe3bd AMD Features=0x20100800 AMD Features2=0x1 TSC: P-state invariant -Brandon