From owner-freebsd-current@FreeBSD.ORG Mon Feb 1 22:04:23 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 5FE2F1065695; Mon, 1 Feb 2010 22:04:23 +0000 (UTC) (envelope-from giovanni.trematerra@gmail.com) Received: from mail-fx0-f227.google.com (mail-fx0-f227.google.com [209.85.220.227]) by mx1.freebsd.org (Postfix) with ESMTP id B998A8FC0C; Mon, 1 Feb 2010 22:04:22 +0000 (UTC) Received: by fxm27 with SMTP id 27so740812fxm.3 for ; Mon, 01 Feb 2010 14:04:21 -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=AkF86sOM7aaR/c6Je89HQ7KOTLF0j9uwnBnVf6LVDPg=; b=s0TYbOrfi6kHfYk7BovuCG9MV0+sK2NLD7Ul39tcLqpw6dtIzXB6j0k1oPxpjjemlF ZHT2CLvjXHG0SMjbsbtxF73fj9FVp7n8pSx4+yFNnQMxRkVyezj5oZYHOpiydGG70odX R6KxAkJb9BXIpN1jPuZP2YSKNxH6b3RF/CmKU= 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=l3tBQjfisuAZS20KyPssRuHBaqKFx+P9MGTFuvEQZIS3pLwBrfq2sY9mq/I+If+Yfr 1pqQgD3EC35OG6NSGJkw5HJSKaV2P2xrjnAntqLv3YFMgq1/swBRYcr1Pc7HEaiAFDqt HU4Fv7uOmnNDdZacQ3ZM0V12VKBk37bZ46Bh8= MIME-Version: 1.0 Received: by 10.223.3.27 with SMTP id 27mr296054fal.8.1265061861686; Mon, 01 Feb 2010 14:04:21 -0800 (PST) In-Reply-To: <179b97fb1001291212p5b0829f2pea28ab36a85751cf@mail.gmail.com> References: <20100128201520.6a114290@ernst.jennejohn.org> <117532D7-75B9-4BE8-A8B6-0A6761064B92@lakerest.net> <4e6cba831001290744m6067691ct489c61fe9cd28502@mail.gmail.com> <179b97fb1001291212p5b0829f2pea28ab36a85751cf@mail.gmail.com> Date: Mon, 1 Feb 2010 23:04:21 +0100 Message-ID: <4e6cba831002011404h1b6b893cj2390bf0a7560a7f2@mail.gmail.com> From: Giovanni Trematerra To: Brandon Gooch 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 22:04:23 -0000 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