From owner-freebsd-arch@FreeBSD.ORG Mon May 5 01:07:34 2014 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id F1366F66; Mon, 5 May 2014 01:07:34 +0000 (UTC) Received: from mail-qa0-x229.google.com (mail-qa0-x229.google.com [IPv6:2607:f8b0:400d:c00::229]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 9EC6B15A2; Mon, 5 May 2014 01:07:34 +0000 (UTC) Received: by mail-qa0-f41.google.com with SMTP id dc16so4844912qab.28 for ; Sun, 04 May 2014 18:07:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=C/RiJASl00e/cggkv6Iocpw27MfRAq7Xeem0vxC7+Oo=; b=v02bDV7KTQBIyS1gZ0vBCZCAUknQuz+icZWhX1i0lncUhst41mJN4bj17NKLwFTZIF yxD9SYBAvQOR9XpDP+UeN3sP1pf6RYDyDBuiipr0glAXklM/BiTHFVktpqAY6kAffsaI xdksE8JQQpNVxRA6hwl535c8ZxLHI1A85jl45ZPo/8rRQr6/GUCvCJIZxk8DIBaR209F lIZxWYlZe0JFDNMSqudh66ipGP/jhaE8fdmfsdNUs2ajRM8lSbqbidgN6wHqFc8/GWV0 u7Ir8cOy0WXhXlaqlt7P+rkPxCChvGzpKF0IsZ0tMUlnEc+bIdZqknQMwFMQpfd0jXox /rwg== MIME-Version: 1.0 X-Received: by 10.224.38.138 with SMTP id b10mr467403qae.98.1399252053166; Sun, 04 May 2014 18:07:33 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.224.191.201 with HTTP; Sun, 4 May 2014 18:07:33 -0700 (PDT) In-Reply-To: References: Date: Sun, 4 May 2014 18:07:33 -0700 X-Google-Sender-Auth: bYHhbVFb43FcK3XkSBMH78nm_KI Message-ID: Subject: Re: proposal: set default lid state to S3, performance/economy Cx states to Cmax From: Adrian Chadd To: Warren Block Content-Type: text/plain; charset=UTF-8 Cc: Kevin Oberman , "freebsd-acpi@freebsd.org" , Rui Paulo , "freebsd-arch@freebsd.org" X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 05 May 2014 01:07:35 -0000 On 4 May 2014 17:53, Warren Block wrote: > On Sun, 4 May 2014, Adrian Chadd wrote: > >> [snip] >> >> The easy-to-run test is "sysctl dev.cpu.0.cx_lowest=Cmax" and then use >> stuff. > > > It's that "use stuff" step that would preferably be automated. Is the > failure mode a lockup, or could a program detect problems? The idea is to > get lots of feedback, fast. The lack of a general test suite is a bigger problem. :-) -a