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 78CD53A2E07 for ; Wed, 13 May 2026 18:44:36 +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=1778697876; cv=none; b=GDtYs++L5SCIlgj0UPqppfOOKDVq8Xc9xHV1NYSlSb8Ompk04XtQWpoziQCbju2sy1uoIpEONVH7XJwFioUopIMIKDex+fxEBcg0u41++z9YvekdL2kK1kP5dcyuxECo7LTkxjNiPZB9W+p6jr3IYcl6gtndtoRnzM0v5gL8lns= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778697876; c=relaxed/simple; bh=f4nFtsfI8uezelwfD99eBtZ/Z20FFjnatzkg0oJHaBY=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=r0ZxnrjYm9cDUlP31kU6lTVa/L/KUApgeMRgmTTTRmznAnRtg+16t4URDL+bAjyAxqNfYeRwYmQdb70fkkJSbUDl4EUB0Wki2mcSB6arpIhW7OnmBcCm4j+eEemULVAVOcMwmcp8hiPgtfEh0IyhMr24pPpDTdhprcr1j9jBd+g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Ajf8hp5a; 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="Ajf8hp5a" Received: by smtp.kernel.org (Postfix) with ESMTPS id 16FC5C2BCB7 for ; Wed, 13 May 2026 18:44:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778697876; bh=f4nFtsfI8uezelwfD99eBtZ/Z20FFjnatzkg0oJHaBY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Ajf8hp5akmr97rBWoGvJ9gzYuu+PbKJdywjNcM2Q4Xrl8lv8P0501tLTVXJ1g05Wr V+F0vFxfrAtEG7egr45oO7jJWhPnjv6dr+b7vXU4pxouIa/e1vMBUZd0FqIDp7vIAz bgK/f41xte2D4r62eMeMhNNxO7wJ+6Z5co+1gq9dgVWRifFlyINNUJQRm2qO4wlB37 OaQ5+Eyra0elAuS+YVKAqv4TTHhQQDxat5nDvE1g8AutaxycXkDqNm6PUyrp9QVL2A rvvZEOiqImMfuMbsjNN786M3h0wvGt2C1Z3zPt+hoP+FDjmlhUDp4fUiRIbiev+EgN VMIbJP0eOgAQQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 0447CC41613; Wed, 13 May 2026 18:44:36 +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: Wed, 13 May 2026 18:44:35 +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: mario.limonciello@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=3D221505 --- Comment #9 from Mario Limonciello (AMD) (mario.limonciello@amd.com) --- > With amd_dynamic_epp=3Denable: I'm not sure why this is happening. What platform profiles does this other driver support? > With amd_dynamic_epp=3Ddisable (or no parameter): So you're still seeing this? [ 299.585428] amd_pstate: EPP cannot be set under performance policy Can I see the kernel log with dynamic debug for amd-pstate turned on? And = also the output from the amd-pstate triage tool in amd-debug-tools. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=