From owner-freebsd-acpi@FreeBSD.ORG Wed Jan 7 18:23:54 2015 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 7C05F23E; Wed, 7 Jan 2015 18:23:54 +0000 (UTC) Received: from mail-wi0-x230.google.com (mail-wi0-x230.google.com [IPv6:2a00:1450:400c:c05::230]) (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 0531D64474; Wed, 7 Jan 2015 18:23:54 +0000 (UTC) Received: by mail-wi0-f176.google.com with SMTP id ex7so8106702wid.9; Wed, 07 Jan 2015 10:23:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=0dRWZYXrlYZSxXcCh9GVr8urJXuOtHGLQ7/RG8S5VS8=; b=QSjibXg6VWhvFnH+NXB9e1hH3H0CDcx/wUYfUcvcxaqMBZrVg9lUoOS04AghEdOpvq vqIMjHt4j6K34J6R2wYubXp0+CJjNSGMQlufKMXt9DORqwehQdecIPmLQ/wdwZmeb/ha Rk5yK+k3hgL86o+bhWiVRIIWA1b/qOGQ8Regb8tj2hTUcM3WFNjmShpc8U2CbLpKPlVj HuqUW9iPvYIy1guD3olLbboVDOhiXvTtMzgyPjqPkh7RmmqnNEL/IJXgw70NBRCqj3tf Io3Z1bQ9qq7QjUc7S5dUbniDtfsy4fR1NEuCFeUVv7wG6JSR2pEd/sD+5JMfvIUVKz2H YP5w== MIME-Version: 1.0 X-Received: by 10.180.98.197 with SMTP id ek5mr51026290wib.35.1420655031256; Wed, 07 Jan 2015 10:23:51 -0800 (PST) Received: by 10.194.221.131 with HTTP; Wed, 7 Jan 2015 10:23:51 -0800 (PST) In-Reply-To: References: <20150104234107.Q82172@sola.nimnet.asn.au> Date: Wed, 7 Jan 2015 20:23:51 +0200 Message-ID: Subject: Re: [Bug 162859] [acpi] ACPI battery/acline monitoring partialy working (switching) From: Juris Kaminskis To: Ian Smith Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.18-1 Cc: "freebsd-acpi@freebsd.org" X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Jan 2015 18:23:54 -0000 2015-01-05 17:27 GMT+02:00 Juris Kaminskis : > > 2015-01-04 15:17 GMT+02:00 Ian Smith : > > > > On Sat, 3 Jan 2015 11:45:05 +0000, bugzilla-noreply@freebsd.org wrote: > > > > Please excuse this off-'zilla merely speculative response. No time, but > > I've spent (wasted?) some time chasing a couple of these outside the PR. > > > > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=162859 > > > > > > --- Comment #14 from juris --- > > > Problem on /head/ branch is introduced with revision 216942. > > > > If true (in all cases) this is great news for those with a variety of HP > > laptops that have been experiencing partial - or in some cases complete > > after boot - failures in CMBAT monitoring since 9.0. And a Macbook Pro. > > > > So, reverting rev 216942 fixes it for you? On what FreeBSD version? > > I have compiled head branch revision 216941 and battery status via > acpiconf works. When compiling from source revision 216942 acpiconf stops > responding. I also tried to remove r216942 and compiled from source release > 9.3, but there battery status was not working. Apparently there are more > things than just one that breaks HP ACPI . > Sorry for my previous email that was confusing. I did not revert r216941 when compiled release 9.3. So when I did that, battery status works. I also compiled release 10.1 with excluding r216942, and battery status works. So this single change for some reason creates problem for HP laptops. > > > > > > If so, with scant comprehension of the code, questions that occur: > > > > a) did that revision fix some existing problem, the reverting of which > > might reestablish problem/s in other machines? jkim? > > > > b) what is it in various HP ACPI implementations that don't seem to be a > > reported problem on other hardware, particularly concerning EC handling? > > > > c) if this was wrong (for HPs), what would be right? (the hard one :) > > > > cheers, Ian > > On Sat, 3 Jan 2015 11:45:05 +0000, bugzilla-noreply@freebsd.org wrote: > > Please excuse this off-'zilla merely speculative response. No time, but > I've spent (wasted?) some time chasing a couple of these outside the PR. > > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=162859 > > > > --- Comment #14 from juris --- > > Problem on /head/ branch is introduced with revision 216942. > > If true (in all cases) this is great news for those with a variety of HP > laptops that have been experiencing partial - or in some cases complete > after boot - failures in CMBAT monitoring since 9.0. And a Macbook Pro. > > So, reverting rev 216942 fixes it for you? On what FreeBSD version? > > If so, with scant comprehension of the code, questions that occur: > > a) did that revision fix some existing problem, the reverting of which > might reestablish problem/s in other machines? jkim? > > b) what is it in various HP ACPI implementations that don't seem to be a > reported problem on other hardware, particularly concerning EC handling? > > c) if this was wrong (for HPs), what would be right? (the hard one :) > > cheers, Ian >