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 6E6C8C001B3 for ; Mon, 3 Jul 2023 17:38:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230258AbjGCRiZ (ORCPT ); Mon, 3 Jul 2023 13:38:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51046 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230364AbjGCRiY (ORCPT ); Mon, 3 Jul 2023 13:38:24 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4907AE6C for ; Mon, 3 Jul 2023 10:38:23 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id DC75E60FF1 for ; Mon, 3 Jul 2023 17:38:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 3EF9CC433CA for ; Mon, 3 Jul 2023 17:38:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1688405902; bh=dusbUbnnL2mAASHuow+7OxnXUPHxyl2Eqvjb2zkFIhs=; h=From:To:Subject:Date:From; b=KP8Z0m4KiaPNtFz/1seRqcmmizrBFyuaVBcmD4Z+PiqS//ICWW4PoXSOst0PSwcea ccykImuuxUpVyI/DhU8WxuvvlxtCNUn4qpXlSRs4Wd3fMvU41E4IQVO6QWieNL0++J zukb+Or+OC92LYIUMAEb21Q81UllvvatimYZ29wEPoueuqKi1BvPKPjChGeGDDMTEv fmjj1AbnUz6BegephKDpwNqexPqCtR462wA5n5AWeI10d+IETiMwzBCoUikrj19xy1 3s8/wUeY3IIwWOEgw8FDRCP2PKzGS6RSLqHzEy2F5zesVgvqwSoqksP/eXtqCFdP3l uJtHcu6N7mLBA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 28661C53BC6; Mon, 3 Jul 2023 17:38:22 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 217630] New: Kernel fails to load amd_pstate driver on 3970x while Windows works well on the same machine Date: Mon, 03 Jul 2023 17:38:21 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new 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: high X-Bugzilla-Who: pshirshov@gmail.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: linux-pm@vger.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter cf_regression Message-ID: 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=3D217630 Bug ID: 217630 Summary: Kernel fails to load amd_pstate driver on 3970x while Windows works well on the same machine Product: Power Management Version: 2.5 Hardware: AMD OS: Linux Status: NEW Severity: high Priority: P3 Component: cpufreq Assignee: linux-pm@vger.kernel.org Reporter: pshirshov@gmail.com Regression: No I have 3970x CPU installed into Gigabyte Designare TRX40 rev 1.0 motherboar= d. The UEFI is updated to version F6 so AGESA has version 1.0.0.7. CPPC is explicitly enabled in UEFI settings. It definitely works in Windows= :=20 > Information 7/3/2023 4:46:04 PM=20=20=20=20 > Microsoft-Windows-Kernel-Processor-Power 55 (47) "Processo= r 63 > in group 0 exposes the following power management capabilities: > Idle state type: ACPI Idle (C) States (2 state(s)) > Performance state type: ACPI Collaborative Processor Performance Control Kernel 6.3 fails to load amd_pstate with both "amd_pstate=3Dactive" and "amd_pstate=3Dpassive" kernel parameters with the following message: > amd_pstate: the _CPC object is not present in SBIOS or ACPI disabled Kernel 6.4.0 doesn't shows the same error "amd_pstate=3Dactive", "amd_pstate=3Dpassive" and "amd_pstate=3Dguided". Please help. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=