From owner-freebsd-acpi@FreeBSD.ORG Fri Dec 4 21:46:20 2009 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F3E061065676 for ; Fri, 4 Dec 2009 21:46:19 +0000 (UTC) (envelope-from avg@freebsd.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 3C6828FC08 for ; Fri, 4 Dec 2009 21:46:17 +0000 (UTC) Received: from porto.topspin.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id XAA24237; Fri, 04 Dec 2009 23:46:13 +0200 (EET) (envelope-from avg@freebsd.org) Received: from localhost.topspin.kiev.ua ([127.0.0.1]) by porto.topspin.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1NGfye-000Jst-V4; Fri, 04 Dec 2009 23:46:12 +0200 Message-ID: <4B1982F5.9020805@freebsd.org> Date: Fri, 04 Dec 2009 23:45:25 +0200 From: Andriy Gapon User-Agent: Thunderbird 2.0.0.23 (X11/20091128) MIME-Version: 1.0 To: "Moore, Robert" References: <4B178387.4050601@icyb.net.ua> <4911F71203A09E4D9981D27F9D8308583E8F26CF@orsmsx503.amr.corp.intel.com> <4B189CD6.30906@icyb.net.ua> <4911F71203A09E4D9981D27F9D8308583E8F2A1F@orsmsx503.amr.corp.intel.com> <4B1975EE.5070803@icyb.net.ua> <4911F71203A09E4D9981D27F9D8308583E8F2BA9@orsmsx503.amr.corp.intel.com> <4B197D0E.1020400@icyb.net.ua> <4911F71203A09E4D9981D27F9D8308583E8F2C06@orsmsx503.amr.corp.intel.com> <4B198142.2040407@icyb.net.ua> In-Reply-To: <4B198142.2040407@icyb.net.ua> X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "freebsd-acpi@freebsd.org" , Tarick Subject: Re: panic in AcpiExReleaseMutex X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Dec 2009 21:46:20 -0000 on 04/12/2009 23:38 Andriy Gapon said the following: > on 04/12/2009 23:24 Moore, Robert said the following: >> Another question, however: is the global lock involved in any way? > > Yes. EC querying is performed under global lock. That is, it gets locked and > unlocked in EcGpeQueryHandler function before _Qxx evaluation. > I am actually curious why you asked this question. Hmm, I lied, this is done only if _GLK successfully evaluates to non-zero value, which is not the case. -- Andriy Gapon