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 E18493C553C for ; Tue, 26 May 2026 09:20:42 +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=1779787243; cv=none; b=r28Z/9dgqKo4Vj+0T7iZZ8leHGOtbPzCWiIvxg44IhqLB1/LBEH948W1VnMJDi0zJSTVWlXFaKI31T7xUJ0C7aCfpXskGnsqtf7vg3uLUEcsDYNOitQvvibQGhS9r0loqLk+AtsxA0biufI1/D4maFTfxxSMF955ohZLk08LKcc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779787243; c=relaxed/simple; bh=vyzgwuiDKczg5+v8KgUfZ48+HjbmnFEHSLWTtGERbE4=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=AHmWMHgVdLMooTNH2Z5IrKr0L7EUg8WKUXlHxyYfmF6AfURIxVnolsTDgot9z9EhEAXEEgRSwSdx055rk4I9VDpyUK8yp5LAA1pQWPRGAs/jdh/Zywdyc+oYk/LfNSgxrwZkSAx0RoRrVk+Rb3lmo1TPhXuITyWtPW5lcQOkvu4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Tr1IfdYz; 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="Tr1IfdYz" Received: by smtp.kernel.org (Postfix) with ESMTPS id 71AD4C2BCB3 for ; Tue, 26 May 2026 09:20:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1779787242; bh=vyzgwuiDKczg5+v8KgUfZ48+HjbmnFEHSLWTtGERbE4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Tr1IfdYzKWRxaD9FfFlltoYpF1URRZ6aUq3kbTPMPMqTr3LcXencwoNT4nmdjO82G fzMdl9UHWKBhxjmkqwgrC2jktxRFL7QYDVCaMp+5FijWnfR4PFYYx1G2gi3eMTPCvZ WsDnYXWZNP1GO45LImVG8Wx3o4UHtwGwtCeRg5u9Oh+ChHa8HjOTOeYOq8B/Y55D/Z 2UCn6TAexDjkMVPc/HhodXmxJavlS4GsgAJk/XiOMLl3KA21ykm/47bPfjSs7g5SpY jvSJuFE9gXSLKe9z35WKLmtGdU0mN9neg3U5oQgPWTiQ0wSZuxAqDpvovNgazSiz+x h0daAc/nYgdTw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 59C8CC3279F; Tue, 26 May 2026 09:20:42 +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: Tue, 26 May 2026 09:20:42 +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: alexaandru@gmail.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 #13 from Alex Ungur (alexaandru@gmail.com) --- I use 7.1-rc5 and I can switch just fine to balanced or power-saver but not= to performance: ``` $ powerprofilesctl performance: CpuDriver: amd_pstate PlatformDriver: platform_profile Degraded: no * balanced: CpuDriver: amd_pstate PlatformDriver: platform_profile power-saver: CpuDriver: amd_pstate PlatformDriver: platform_profile $ powerprofilesctl set power-saver # ok $ powerprofilesctl set balanced # ok $ powerprofilesctl set performance # not ok Failed to communicate with power-profiles-daemon: g-io-error-quark: GDBus.Error:org.gtk.GDBus.UnmappedGError.Quark._g_2dio_2derror_2dquark.Code= 26: Failed to activate CPU driver 'amd_pstate': Error writing '/sys/devices/system/cpu/cpufreq/policy11/energy_performance_preference': Resource busy (26) ``` It worked fine with rc4 though... I could switch to any profile, incl. performance. My machine is: ``` $ inxi -CM Machine: Type: Laptop System: ASUSTeK product: ASUS Vivobook S 16 M5606WA_M5606WA v: 1.0 serial: Mobo: ASUSTeK model: M5606WA v: 1.0 serial: UEFI: American Megatrends LLC. v: M5606WA.316 date: 01/05/2026 CPU: Info: 12-core model: AMD Ryzen AI 9 HX 370 w/ Radeon 890M bits: 64 type: MT MCP cache: L2: 12 MiB Speed (MHz): avg: 3585 min/max: 605/5158:3289 cores: 1: 3585 2: 3585 3: 3585 4: 3585 5: 3585 6: 3585 7: 3585 8: 3585 9: 3585 10: 3585 11: 35= 85 12: 3585 13: 3585 14: 3585 15: 3585 16: 3585 17: 3585 18: 3585 19: 3585 20: 3585 21: 3585 22: 3585 23: 3585 24: 3585 ``` --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=