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 E18E929D05 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=1714016213; cv=none; b=D2zE/9KQRblTE5AvQvwvkNF2IfRScaLqvcOm7r3v4W5ETkHmONp3GyGB8guArysZLhY6GEMkIa41k6+95vMlaLBm09YEJjs60K2IkM8LSAP3sf73XnkTmgQgHewgfgq6iSLUvvY61bPpnxHgPabYHg83TNKcT+HWaEBuiV1/fv0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714016213; c=relaxed/simple; bh=aGnlyO1Wu0uBf/TTxRsA62ODOxRQ0Jxa03wOOkVqzOY=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=mXcuX4VZdDDyDf1T4vsOZ283cXTOz0wwL/c+hts+o8N1+oSl8HOY6LeMYV8o3skSwqYGQTUWf0bJdtWXAVVvAhvxD+O1TB99f8XDbTWLtNV7SS8yYt/wWj0n4XMB4J5CA0ZnK9om4aQAyPzUlEQkpWsH4Kq6G6g2fkfpWaoi88k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=kM6crt5Z; 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="kM6crt5Z" Received: by smtp.kernel.org (Postfix) with ESMTPS id 76EC2C32783 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=aGnlyO1Wu0uBf/TTxRsA62ODOxRQ0Jxa03wOOkVqzOY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=kM6crt5ZEoc0W48oRkbMenODd08aIK6EW+ugnkafggeFFXCXUanyvtewxmHdFf2lV c5ISF9Mk61PM1CzYFMzEKNAwt2z/1xdyaskkRNQwH3U1ZxKkTnrYCL47MuCR7P3GdQ pGpvI0YyhXJESYqtRjxh4LBWqELkRUBtvLFtoLW0fDOrZFihVMoz9+p1PqqPbsSqGJ IlFUSrPVeye512MgjbaaoqXp0d1gh4viCXQ+YqOXS8+83bnxnqdFZm5VbL204nWoC2 m9PkExhc3mSwu4wXcLtpOo7eA+MJ6VOwcol53q3nq6Jmpgm8ldAHE5ZkwUBLCd136u FNL6W/Z9WdOAg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 6B2D3C433E3; 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 03:36:52 +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. --- Comment #7 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.=