From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3CDFAC433EF for ; Fri, 15 Jul 2022 15:20:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229612AbiGOPUZ (ORCPT ); Fri, 15 Jul 2022 11:20:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235426AbiGOPUU (ORCPT ); Fri, 15 Jul 2022 11:20:20 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 36B3C27FF3 for ; Fri, 15 Jul 2022 08:20:19 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id E47E2B82B3F for ; Fri, 15 Jul 2022 15:20:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 8D7B9C341CA for ; Fri, 15 Jul 2022 15:20:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1657898416; bh=q9g67ujdA1v6UzI34htdZTT2fsSIkcchhFQ1w8dcUtk=; h=From:To:Subject:Date:In-Reply-To:References:From; b=MfLUbA2zYH1cfdoI+dvOm/5ijZg22aMJw8qRIAWDgYuAF/2Bcl3TlIRPT4KzIlAeC voB/BWNvYCfW2zd9uPpjuLEXd3F9BQTqqmZjTGmXLVDTGeNqqVb2hCFyWzyqcIYAX8 HvL4hJEO3R5aGcBXWRSIa5Q787OhaKob61SWLSQgGNBLgUF6zcCU51STDGRNLnipbj 9gQiPHyqrBggfL5KSk757q9FfcdZQjFg1ceKrr8ZHBicxZE1JMFZxHtp7Y9TZZM1fV I8AXersnLRX/D5ZJ99w4g8+vWWP3dzYl63rvVEVwbTeYcjnTShyba6j/PIezcqc5yC DT9YSDNY29Qsw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 766E1C05FD6; Fri, 15 Jul 2022 15:20:16 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 216248] [Regression] amd-pstate stops working after [ACPI: CPPC: Check _OSC for flexible address space] Date: Fri, 15 Jul 2022 15:20:16 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Power Management X-Bugzilla-Component: cpufreq X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mario.limonciello@amd.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: linux-pm@vger.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D216248 --- Comment #14 from Mario Limonciello (AMD) (mario.limonciello@amd.com) --- > [ 0.688308] ACPI CPPC: CPPC v2 _OSC not acked OK good, this confirms that your system had _OSC not advertising. > [ 0.688392] ACPI CPPC: Flexible address space capability not supported That does confirm that your assertion of the bisect was the cause. I'm attaching a patch that I think can help the problem. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=