From owner-freebsd-stable@FreeBSD.ORG Fri Sep 18 11:25:28 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2C6261065670; Fri, 18 Sep 2009 11:25:28 +0000 (UTC) (envelope-from hiyorin@gmail.com) Received: from an-out-0708.google.com (an-out-0708.google.com [209.85.132.247]) by mx1.freebsd.org (Postfix) with ESMTP id C1F2D8FC1E; Fri, 18 Sep 2009 11:25:26 +0000 (UTC) Received: by an-out-0708.google.com with SMTP id d14so477245and.13 for ; Fri, 18 Sep 2009 04:25:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :organization:user-agent:mime-version:to:cc:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=ygYBV3kx/lTMx6rsUF7TkGr3xz/LVNBn2y7XKu7Agxw=; b=mi+jrLWg/JTc6XwdEfmizE7KmP6pkfHCSWE7lSJ2YtNtd6Ko3jb70AE7cXfk/123+G NcoYUCuk/MOm/1Osaj4R7EpjWNrYcqa8FKpvApAl8SSRU0SghEc5iYiKsNc7EzjFV+Xv OeXst98CzVPDBwDS+lEbaTpeRB3H+ez0nhWG0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:organization:user-agent:mime-version:to:cc :subject:references:in-reply-to:content-type :content-transfer-encoding; b=OkfUWqnQPW6C5KiPhd4jbHtlThHmTDneNxVCFMJoDD9r6wSYOysqxhsM81yuNj/q+R 0L5gVW8CI0/q/2Rkom4HhR/EeIGwyUQEVJ8Cf8AeQH8cX+7L5vVqi8U2tAv66rl/M/wI F0X680jOiJ6bCNpBol+hw/leTNdtrELs4HFJA= Received: by 10.101.88.18 with SMTP id q18mr1281807anl.64.1253273126322; Fri, 18 Sep 2009 04:25:26 -0700 (PDT) Received: from ?10.7.13.1? (061093052186.ctinets.com [61.93.52.186]) by mx.google.com with ESMTPS id c28sm206581anc.7.2009.09.18.04.25.23 (version=TLSv1/SSLv3 cipher=RC4-MD5); Fri, 18 Sep 2009 04:25:25 -0700 (PDT) Message-ID: <4AB36E1F.6080401@gmail.com> Date: Fri, 18 Sep 2009 19:25:19 +0800 From: "C. C. Tang" Organization: LEA User-Agent: Thunderbird 2.0.0.22 (Windows/20090605) MIME-Version: 1.0 To: Attilio Rao References: <3bbf2fe10909121432x7bd4f7es497e9431c4e520d6@mail.gmail.com> <4AB1A838.2040406@gmail.com> <3bbf2fe10909170216u29d994aj55c21efdfbc26ba5@mail.gmail.com> <4AB21005.6040104@gmail.com> In-Reply-To: <4AB21005.6040104@gmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: FreeBSD-STABLE Mailing List , Dan Naumov Subject: Re: 7.2-release/amd64: panic, spin lock held too long X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Sep 2009 11:25:28 -0000 > Attilio Rao wrote: >> 2009/9/17 C. C. Tang : >>>>> Dan, is that machine equipped with Hyperthreading? >>>>> >>>>> Attilio >>>> Yes. It's an Intel Atom 330, which is a dualcore CPU with HT (4 cores >>>> visible in "top" as a result) >>> Yes, mine is also Atom 330. >>> >>> I cannot test the patch because my machine is also in production now. >>> But I >>> have tested it with hyperthreading. >>> powerd with HyperThreading -> spin lock hold too long >>> powerd without HyperThreading -> no problem >>> no powerd with/without HyperThreading -> no problem >> >> But these are with the last patch I posted in? >> (specifically, for 7.2: >> http://www.freebsd.org/~attilio/sched_ule.diff >> ) >> >> So with the patch in, powerd and hyperthreading on you still get a >> deadlock? >> >> Attilio >> >> I have patched the sched_ule.c and did a make buildkernel & make installkernel (is buildworld and installworld necessary?), rebooted and the machine is running now. I will post here again if there is any update. Thanks, C.C.