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 7F16F292B4B for ; Mon, 3 Nov 2025 19:25:14 +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=1762197915; cv=none; b=mAhmYvwZ9p9zxwmKk8r1pcloxuJPew9F3VBdSDNirXju0pHUDpCmOsS1xg1wgN5Z0Am8DEX6RmMy/XBw+OXtx1uTel14fOezDbwcb8FRriNv4wdm+Oq+9nPP1Dt+Ziw/umS6Dq31hXMoWGYZLTqkgZlxOEH7iBD0amonsFEipnI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762197915; c=relaxed/simple; bh=eXIb09JwKhomQnXW2qurqbw+QIbIPmoZcUqbfAnTO1Q=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=emXDoNz1xlNOjw5zYbyWxwnsZhRhp0VVE4KFLfmpcaaGMSfeTciP82QiK564G+pYQmd7SB35heMSxdn58NiAc1WF217IUt8Rt9zAaCUHT4FH7MA5J3cLdIKBCk7h9s27q3+kjMS/3lpTI7wRsX7yTf+7VqcLMURZpZa5/y5Ddmw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=IDhrZdBO; 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="IDhrZdBO" Received: by smtp.kernel.org (Postfix) with ESMTPS id 1DD10C4CEE7 for ; Mon, 3 Nov 2025 19:25:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762197914; bh=eXIb09JwKhomQnXW2qurqbw+QIbIPmoZcUqbfAnTO1Q=; h=From:To:Subject:Date:In-Reply-To:References:From; b=IDhrZdBOXwA1rg2nV1MrHFYWVFkq7BUIEv688e7wyhwRqWvXwNfda9qzG7wlnSPbu JJitfoRFBkTHqvoWMbZnpkbjf/UmYYdnbWOYwwk/saORL9x8E38ufb335VudcQO4nD 7Pfx0vHmTLDbmyvR87pLYVWk9QqoUG/ITJ1ug4s1k2eXfKFzIh/tNJlpIcSsYrHhy8 H/dR+qETV8PYBsTA7cxTyUmA3bYiMtcEXhWfEvfcJRb61UJRSCkXF0aHOmJbA1QPYP aXv0DKO1Wgy0G8B+37hwlU81IKtZbAqmJ/2Ng7hEgL155AuB3aXthIRpOSZ1bpx53a QsRy6cZR0/Uzw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 18F81C53BBF; Mon, 3 Nov 2025 19:25:14 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 220715] [REGRESSION] AMD P-State fails with "_CPC object is not present" on AMD Zen 4 between 6.10 and 6.11 Date: Mon, 03 Nov 2025 19:25:13 +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: P3 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 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=3D220715 --- Comment #12 from Mario Limonciello (AMD) (mario.limonciello@amd.com) --- Can you please try with that patch on 6.17? If you can still reproduce it please add dyndbg=3D'file drivers/cpufreq/*.c= +p' to your kernel command line and provide a new log. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=