From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 123A933F5A1 for ; Sat, 11 Jul 2026 07:22:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783754531; cv=none; b=to4gW9N2HEIcs+Dx1NcqUgICiv+vhZjviKduraEtXjsPmAbveodSg68GGyDMErQr84fLJj+UvdcZM+qgPXNIJuXxkJvYH23xRHQZbrrt6ETDvVaHeWLi4+KgQREv5voEmBH1/uyO1tnMT//n2BwRjrNWxV3vLVN1t8nTQoOBR5c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783754531; c=relaxed/simple; bh=zwOGlpuGNtH88Yu6nJfxmwAPPcCMneAvf+omaYqZDpY=; h=From:To:Subject:Date:Message-ID:Content-Type:MIME-Version; b=s+kPvjl6KTflEpx+RuTZ52e4TSGwpwBFOuchh6M/DzMf64E3LU7Bnydk1ZfJorH3SNwzDMCJ4C8X+8hnwQejn71lEIilzavSuDY8P45yECg8sgotXqTfkFKiFFuvYABURWiPkBmfJ1wxAXEruaXpRQN3kOZaZJHlxHwCG98VI/A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ZLkskqUr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ZLkskqUr" Received: by smtp.kernel.org (Postfix) with ESMTPS id 8C1CCC2BCB9 for ; Sat, 11 Jul 2026 07:22:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1783754530; bh=zwOGlpuGNtH88Yu6nJfxmwAPPcCMneAvf+omaYqZDpY=; h=From:To:Subject:Date:From; b=ZLkskqUr+3J/SeelRz889P2NP6+se4Pe4dWQZPXu5NuJKRSt9gmf0JDrJK3NID36N 1XbMf2R2o3M1zqk1Deh/RA0tkgjBjyLaaKm8jf7Ku4gD+MQdIRjFod8A4W46tUOYQD IM0JzmVotLzarURn8cE8FVIW3wx3nPfD0RSai2YrjQjPDZwZtgPV8z7NMK1RdcV7j5 WQx8hznIhZFMtWVP/j7RslOR8orveoV3Z/IwPzrpY8toxkCgYzi74FnIGxhG+Y8hcF DQ4jAvNrElhILBknBghM9nDNQ5AIO8O6CAeksxMJu05fbvxO2g4u1QjcpU9/jCC6bq CRs9jbjYD3J3Q== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 71CDCC41614; Sat, 11 Jul 2026 07:22:10 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 221744] New: amd_pstate / ACPI: CPU frequency locked at 520MHz when AC disconnected with lid closed during s2idle on HP EliteBook 6 G1ah 14 Date: Sat, 11 Jul 2026 07:22:10 +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: normal X-Bugzilla-Who: pepegnu@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 Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D221744 Bug ID: 221744 Summary: amd_pstate / ACPI: CPU frequency locked at 520MHz when AC disconnected with lid closed during s2idle on HP EliteBook 6 G1ah 14 Product: Power Management Version: 2.5 Hardware: All OS: Linux Status: NEW Severity: normal Priority: P3 Component: cpufreq Assignee: linux-pm@vger.kernel.org Reporter: pepegnu@gmail.com Regression: No Here's the affected laptop: cat /sys/class/dmi/id/product_name /sys/class/dmi/id/product_version /sys/class/dmi/id/bios_version HP EliteBook 6 G1ah 14 inch Notebook PC SBKPFV3 X77 Ver. 01.04.06 After unplugging AC power with lid closed, half of the cores run at 520MHz,= the other half -- on 1.12 GHz. Plug and unplug kicks cores all to 1.12G-2.4GHz. There's no software way to 'wake' the cores.=20 Setting kernel line 'amd_pstate=3Dpassive' or 'guided' *has no effect*. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=