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 07A44311C09 for ; Tue, 4 Nov 2025 08:19:04 +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=1762244345; cv=none; b=SPQIRhp5h7vH18WFsLJPvmUO9jNQ9Cz73kDKvGi5xmNHG0GG4qa3TuZOnKLmZgF0d3L93uyTiOiCepXxdBt8n0fJd4yVHWOgUUUjewZwSowp0rYSS0hPQOOSwREgeEl4zKnLTPfYbFA6xzGPbB/uU8jmN8XhMSkgD9coJ9XncSk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762244345; c=relaxed/simple; bh=Sf/IF4Qoc42mdlXOSjc9xIqIrol1Zul2P8BDlXF2AbE=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=WpOQW6Udivt9/15c/qlahwWVkXk9GcCOXGC4GeObJbCMfhdTWC0zF/iHvKKGWakiy+DImCPzMxXXBiZdHiQg6jGoFkhVE179fZP4VzMbv4JgNR0Hi2Qd2sa91HGCfWa80fqs/uWezZ5E/LDUVJFLRBF8EepvjMCJsLKXoVTnv1A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mm51He3l; 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="mm51He3l" Received: by smtp.kernel.org (Postfix) with ESMTPS id 83EE8C116B1 for ; Tue, 4 Nov 2025 08:19:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762244344; bh=Sf/IF4Qoc42mdlXOSjc9xIqIrol1Zul2P8BDlXF2AbE=; h=From:To:Subject:Date:In-Reply-To:References:From; b=mm51He3l50VlkwPLq8DiRjFzontgjtHknUtCv/mJisdO2sYgoebvsEwGs8rgwCJRF aKIPfYerbmqPNBGbUnTOR7raAzTXWkmzWYW/07O+a2Fkc6xRaY3ROVtyPBzxSDOEUU FVQgB4Ub8t6gLxGIPXmTVxdjtFzfo0/vFCnsHacVR0jaklXUy91rL5+pt5Izhb8ptt 5iQVbrhYKzNOUqmWOIenzyhyyc/h2W9Vg1iLYNW8nBBY6SLq+y/EC4CJ9UdbXuGvqG wb0BOolTFI8DyiD+hXgSGR96+j7cdRaOU/6h5aofDxoCyp39hDBh3oxyrkv34Wpdps 2iNKNN7ZzGkAQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 7C408C4160E; Tue, 4 Nov 2025 08:19:04 +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: Tue, 04 Nov 2025 08:19:04 +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: chris.harris79@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: attachments.created 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 #17 from Chris Harris (chris.harris79@gmail.com) --- Created attachment 308891 --> https://bugzilla.kernel.org/attachment.cgi?id=3D308891&action=3Dedit dmesg-6.17-prefcore-patch.txt Full dmesg output with prefcore patch and full debug enabled --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=