From owner-freebsd-stable@FreeBSD.ORG Thu Sep 17 09:16:55 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 EF9B0106568B for ; Thu, 17 Sep 2009 09:16:55 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from mail-fx0-f210.google.com (mail-fx0-f210.google.com [209.85.220.210]) by mx1.freebsd.org (Postfix) with ESMTP id 81BC28FC19 for ; Thu, 17 Sep 2009 09:16:55 +0000 (UTC) Received: by fxm6 with SMTP id 6so3870438fxm.43 for ; Thu, 17 Sep 2009 02:16:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type; bh=y0dpuJOTRqHT4vr1aTck//Gg/m2kIwhhqnJfu3hrbjo=; b=tXS4dCbURpufA11F03rOBINXpB8SKjSzhbGHW4UyLKZIDAGoKHwLv9Owy4iV1Fiep1 cJGHt1aAQH2aO0DhMkY/w/HkK/RQT74u73Y2CcqJCaIF6rvZikBEC2SJz6L4dLNeOjcd TNyqLENs1E9+uMXEKfaYaoVcruS4Yd5/5ox2Y= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=s/g8LtjEPOIS4dcJFmwrj44lRiAy1X5ZIxk3HJ8qJXYnC3RlJS1U6JQ/gszSUsOhzm RCNkdmuuIKJ+OQ/Ir17N41eTc7cIVSnq667zj486iusT0V58VxDgc1NE1oKKtDeTVZem G5rQoMI8SdrMzYj1Hej5xCc3uUA1zGdhASPtU= MIME-Version: 1.0 Sender: asmrookie@gmail.com Received: by 10.223.92.153 with SMTP id r25mr3363740fam.99.1253179014455; Thu, 17 Sep 2009 02:16:54 -0700 (PDT) In-Reply-To: <4AB1A838.2040406@gmail.com> References: <3bbf2fe10909121432x7bd4f7es497e9431c4e520d6@mail.gmail.com> <4AB1A838.2040406@gmail.com> Date: Thu, 17 Sep 2009 11:16:53 +0200 X-Google-Sender-Auth: 69343cc0965cdbb1 Message-ID: <3bbf2fe10909170216u29d994aj55c21efdfbc26ba5@mail.gmail.com> From: Attilio Rao To: "C. C. Tang" Content-Type: text/plain; charset=UTF-8 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: Thu, 17 Sep 2009 09:16:56 -0000 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 -- Peace can only be achieved by understanding - A. Einstein