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 1708A1A681C for ; Sun, 23 Aug 2026 16:45:24 +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=1787503525; cv=none; b=U+oFYwYwoaLzJZE2H2bN9tbqukCGFQ2n/+Bc3TscDsDIVlsvbplUrG+V4E3ixqR9ivMqo8N5ULbrCuSlxCtvmG8EhPxtz4RQU5148BodwYPCtbGwZkZSr1ayUHHSHtW8iPYRVkiF3ZeMMLHoC+HS6/V7MhPJ00P6pvr0z9MtsgI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787503525; c=relaxed/simple; bh=2Djwe1QCWiBmJrk/QXcz5mi6Tskcp8XaiFf3qBzhV+A=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=FzkV0YD47EusvZcCoVhoHaM/ya6SzNTiIoHsMIe0o41YOqmCJVNEGbmOgdqzUfOQqWXS5H2AGO5f16MwXIy8H3yLWhJKW9d5fe/3sPowI1uR96vo6+jQhKxekJ4dwwKisj8IQlnK8Pq32x3EEw02vgMZbU0/CaCamIBHN8bm6vY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=uK3xyaPm; 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="uK3xyaPm" Received: by smtp.kernel.org (Postfix) with ESMTPS id B7BEBC2BCFB for ; Sun, 23 Aug 2026 16:45:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1787503524; bh=2Djwe1QCWiBmJrk/QXcz5mi6Tskcp8XaiFf3qBzhV+A=; h=From:To:Subject:Date:In-Reply-To:References:From; b=uK3xyaPmk3xxqJqn79qMAqGyKOXf3V2O+4VmbpvBj70z28mhIZO+IsRmKf8iuZDg2 /4AlrFzPSNySV09cffv1dHYlGlUTflmz4HPUdsxyAtdu6ndauE9T3uiA2/AaVDedxl DmeEoF/+B9Ps37MyWTw2IuVHluek9dQeiLaaHhz5tB1YKyYBebw5FYMLbZwLZU9xi2 5QxbobOoaUzU3rUsHeTjompYI/ObhduAaqvXSWtl06dALN5stYMQAAl4IbrSa6eq1w 8otcY3JSu9SmL5PQBAvl2+5qnYI5RN93BhZWBp5UcsJhQlgA+IR9zCUB2ZKXkX58V4 wSp+R3njcG6og== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 9A6D2C4160E; Sun, 23 Aug 2026 16:45:24 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 221909] amd-pstate: Cezanne (Ryzen 7 5800U) data fabric sync flood on DC gated by CPPC max_perf Date: Sun, 23 Aug 2026 16:45:24 +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: high X-Bugzilla-Who: l.perneel@luperco.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=3D221909 --- Comment #3 from luc (l.perneel@luperco.com) --- I want also to add, that the issue is triggered out of the blue. There is no need to add some load or anything. An idling system can hit it as well. Als= o no traces at all in the kernel before the sudden reboot, it is only the next b= oot that the reset cause is printed in the kernel logs. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=