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 246F931578E for ; Fri, 29 May 2026 11:18:36 +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=1780053517; cv=none; b=rhXL6a2lICeunCgcCoAJw9wg7BhSg51SgkzE5A43saOlw0r26HjzpF9bkVJbrYs2tXiviubS5ESi/uyLYT2gr83WMv+ETXupor573TU5II+YjPw8g9P4M+0v74psQCmDihFT4GCDg0c6Sgr95FGPLPm68tTkxf06CkTi9HUlhO0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780053517; c=relaxed/simple; bh=vywPTDyU/vm7tU70uZnsVRNa8z777a8cdijrX0HGcmM=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=gnKzmZg/Denmxc3raVU0aT7AUQ8tt+yE1JFM1cnnw2f0z1slNLZRkwpHcQn6rshfc81+s1+76gyY9W6oERPDyWWQRMyqIVSMS5+IbkSdd/i/MnYBWXpKjLRH/A/zRG4KVrBvpDDzCCrf9Jq6A2eT77AkWSWc9oWNmgT132rh0Nc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ikB0kR1v; 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="ikB0kR1v" Received: by smtp.kernel.org (Postfix) with ESMTPS id CB0A1C2BCB8 for ; Fri, 29 May 2026 11:18:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1780053516; bh=vywPTDyU/vm7tU70uZnsVRNa8z777a8cdijrX0HGcmM=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ikB0kR1vN0vxjvaChMqtwPjSaH71IAhu3kgXjYuNL/C5PNQcTkHQEMx6KQCwOUT36 9KCJoeVgQiMtU7WRzbd/w8v075CzgNOuLrZXVqi0371DdJNYSw7W6KvFtByzC2+eTZ ii6WB5/QgZF/pzBCMzWBHWCoWhf6BCcegG2WJofHpTmPEWPlBgeS3opvxOPmRqUqtx krM/pVJUxPJ7jSaO9FNDcJzYzjwWUoEg42fAjigXlMlSsCUFdRo2JhzbX7Ml8BtYpe yh1KSRdEfo2AuEGjAbT3j7K3NRlO26wLAgBJ9mag+c0tLO1Z7jUHh5V2gEmy7GxjtP A/ERDy/hpVEnQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id B6433C53BC5; Fri, 29 May 2026 11:18:36 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 221505] REGRESSION][amd_pstate] "EPP cannot be set under performance policy" (EBUSY) when switching to performance profile via PPD on 7.1 Date: Fri, 29 May 2026 11:18:36 +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: regressions@leemhuis.info 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=3D221505 --- Comment #24 from The Linux kernel's regression tracker (Thorsten Leemhu= is) (regressions@leemhuis.info) --- (In reply to Mario Limonciello (AMD) from comment #22) > If I understood the root cause I would have a better answer for you. One more question then, if I may: does a bisection make sense, or are things just to messy/complicated due to the other fixes in this area (or if, how to best approach one given those fixes? apply them at each step without commit= ting them?)? Side note: Alex, Sergey, you both seems to have Asus laptops, wondering if that's part of the problem here. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=