From owner-freebsd-current@FreeBSD.ORG Wed Feb 3 07:20:44 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 EC270106566B; Wed, 3 Feb 2010 07:20:43 +0000 (UTC) (envelope-from giovanni.trematerra@gmail.com) Received: from mail-fx0-f226.google.com (mail-fx0-f226.google.com [209.85.220.226]) by mx1.freebsd.org (Postfix) with ESMTP id 4EFAB8FC12; Wed, 3 Feb 2010 07:20:42 +0000 (UTC) Received: by fxm26 with SMTP id 26so130708fxm.13 for ; Tue, 02 Feb 2010 23:20:42 -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 :content-transfer-encoding; bh=xxpLgkbH5ordXCtcc2ZdYPZS28hbtdY5+YGaA0I25dk=; b=RaCWCbqF6TvEoee0Sz8qEsEehG24raCqnIrGp1ej0OtdZ3zYQHqwSKpsOusFDh+6CA QG2pZAPukzEt0hDq6tb26Bh+mu/2ObAV/zzMe6yQHQNDZFeb5oQ/Kw5t/S3vW7JaBQvx 7Y8ARd9R0RxXuouy0PLxq7nLI/zuKLFZJSCl0= 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:content-transfer-encoding; b=B+kYcBw6KGPEY0I5U8Hd7/OyuMn0nK5fI8Fqas+kSBZcZjoSsNKcA2OrAQ9usjdDfU iPn4EjFf2fmibTbAuCh6fUDj398fcZBDI5hL5pieUOlCktQs3Ne5GWHtRnjn+JQQywgM ZzS3m3Wh3NrdHs3a1Brz9JwyYhrbZ63DUBIIU= MIME-Version: 1.0 Received: by 10.223.164.156 with SMTP id e28mr1119608fay.27.1265181642136; Tue, 02 Feb 2010 23:20:42 -0800 (PST) In-Reply-To: <179b97fb1002011424p4a799ff6t8f6b39e6f4b66828@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> <179b97fb1002011424p4a799ff6t8f6b39e6f4b66828@mail.gmail.com> Date: Wed, 3 Feb 2010 08:20:42 +0100 Message-ID: <4e6cba831002022320u2bd5f325m6564556a1abcf4c5@mail.gmail.com> From: Giovanni Trematerra To: Brandon Gooch Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable 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: Wed, 03 Feb 2010 07:20:44 -0000 On Mon, Feb 1, 2010 at 11:24 PM, Brandon Gooch wrote: > 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 w= rote: >>>>> 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 =A0 =A0 L7100 =A0@ 1.20GHz (1197.01-MHz K= 8-class CPU) > =A0Origin =3D "GenuineIntel" =A0Id =3D 0x6fb =A0Stepping =3D 11 > =A0Features=3D0xbfebfbff > =A0Features2=3D0xe3bd > =A0AMD Features=3D0x20100800 > =A0AMD Features2=3D0x1 > =A0TSC: P-state invariant > > -Brandon > Hi, all I cannot reproduce the issue at least on 8.0-RELEASE. Can you please update to r203414 and give it a try? Thank you. -- Gianni