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 CE0572943C for ; Thu, 25 Apr 2024 03:36:52 +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=1714016212; cv=none; b=KFuJjBTdFRmVgLe9wRE9NOd/8EkaIH9FM4zSBNXktqbGITeMg2C1nKtYLMiZlK2/b+VkjYqD6RVSwnGry5bQi4WXRJ3qGAj4eK39I/LqKjUn0y36wxoyZFKEQqLvGvhuDNmdEbXC4vlYJeGQNzRZSEL+sG6/CYixdviHWNgr7yU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714016212; c=relaxed/simple; bh=Yb8YcX2X6xucKUl0217/JKy+FombzZRwFIbe/sVg2yY=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=QBUk/OKSIyUN/g1Yl42kCljvFUozUffP1NjRHVuji5dquvujDLd6fwQB/u8W5xgXfhDkzk9rmu3yNMXLaAVtSrDhwtg5dkymh+NLXAjzaa33+t00ckDf4iVXBDcSPZo6vJrJIiNUlxPI3UQCn5hTQ362aooZJyCOeTjUM8ZGpwU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XwK0NTxB; 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="XwK0NTxB" Received: by smtp.kernel.org (Postfix) with ESMTPS id 5F069C2BD10 for ; Thu, 25 Apr 2024 03:36:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1714016212; bh=Yb8YcX2X6xucKUl0217/JKy+FombzZRwFIbe/sVg2yY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=XwK0NTxBi6H8KD3HPrrn0PGCLcGAtNthG30uODA4AkyrFvGAs14yRNcY8olhBRcPZ scLC9usiNhVR9fe43rPlmy8e+oAsi7PRRL8ISiKJpLpeq+NKoGPpnYTQE+4+l1SblF WFge7pD8ENgCxSGmTkamd+osTkCC6n1xyz58J29XoP5B9I3wKO/rV5e8e751qOitMy Pdfy9Bf68EbgLhWcq7ofwpDdDutink82/4NUMho/RFUV4gLVVkzGp8ym6tVOA3tGNa CKMgjQqHRUcmTdp721quVJK30Hezb44VJirVFIwpn2QfFSeXDnEJD7+jbKmiK6qO6r P7iZ1S5UC3Bzg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 413A1C04222; Thu, 25 Apr 2024 03:36:52 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 218705] amd_pstate fails to load on AMD 5950x with Asus ROG CROSSHAIR VIII DARK HERO x570 Date: Thu, 25 Apr 2024 03:36:51 +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: Perry.Yuan@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=3D218705 --- Comment #6 from Perry Yuan(AMD) (Perry.Yuan@amd.com) --- I have confirmed that the CPPC capabilities are valid to enable pstate driv= er, 1) sudo nano /etc/default/grub 2) add ``amd_pstate.dyndbg=3D+p`` to kernel command line. 3) sudo update-grub 4) sudo reboot then share below logs to me. # dmesg # lscpu -ae # cd /sys/devices/system/cpu/cpu0/cpufreq # grep -R . Perry. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=