From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 E6ED334F246; Thu, 6 Nov 2025 17:44:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762451085; cv=none; b=qeoBQuj8h/CJucHovB/4zZh9cLmu5bvNebFgOia3OUPFlcqU6BtS534ShllMoUhuC5lO8t/nFd3RuNE5BCXLUFZt96qJQnDC4FCB/aXUpYHjwWTTC9nRGm9Bm21cVvlwTcFrbzdGF5dqzVUCx1ZG+/J1tJ0FVeduxLh/APmKGkg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762451085; c=relaxed/simple; bh=VfLMnWVZDg6b+wtxUN7DNTsuv1mesxfWQJqFSKOfyKM=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=KAbhEGe+GqhTA8yVV6CD1WpUkhYnCXgcxdQW334UD5KD0OO8WCyGvEajcif1dGMfx0+A9bFfvN8ed4pmzzn/VCr1hY6VNKsPSLidl04b+d8S6UKN8whyl4Y2nNAb7cxlptMTNELW9P1xq6iXTfZnMGuNp8F46kAAuVVwbruHOGI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=LQQ5kOPO; arc=none smtp.client-ip=198.175.65.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="LQQ5kOPO" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762451083; x=1793987083; h=message-id:subject:from:to:cc:date:in-reply-to: references:content-transfer-encoding:mime-version; bh=VfLMnWVZDg6b+wtxUN7DNTsuv1mesxfWQJqFSKOfyKM=; b=LQQ5kOPOkk6E9QeEOpLX0Yt+DSN3sn+yBSWsuf+BLNbyPNzO22kKg0iR 6wl+Q+J7p08FJ1oRnqBL4l/hFOxzXXSldOocc1YyWfFh0jO9jx2xkJToc heqM6JLc+4AjyV64f8qenZSGdEfyOmbdYAFiGZei1lBO6nFj3QRa8rOWS czk8uz/zuQLPHeXwLF+VVcYIhOS3c6u+mOBU6paMPc0bfy5JRDpns+7pJ 3oQOrcBMgR0/FVG92Lrt8bTubdvhMMlH4meH7JOdjNGeZokhgRwCkVOSS k/ZsXT2motXKSSMdLhno9u6wbSbfD3vGDfWi2m0IW1rwOAWkKDL7CW7tX A==; X-CSE-ConnectionGUID: Si/qL2JAQW+sSUCVo8870Q== X-CSE-MsgGUID: rIDJ2LFDT868tKhdfbUEkg== X-IronPort-AV: E=McAfee;i="6800,10657,11604"; a="82002160" X-IronPort-AV: E=Sophos;i="6.19,284,1754982000"; d="scan'208";a="82002160" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2025 09:44:42 -0800 X-CSE-ConnectionGUID: IVchUY7wSMS80ui52sSxaA== X-CSE-MsgGUID: D28/gahHSPKuJiii/5ATmg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,284,1754982000"; d="scan'208";a="187074453" Received: from spandruv-desk2.jf.intel.com ([10.88.27.176]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Nov 2025 09:44:42 -0800 Message-ID: <851e605992395b78490a97e7a6d771eb0c232848.camel@linux.intel.com> Subject: Re: [REGRESSION] Intel Turbo Boost stuck disabled on some Clevo machines (was: [PATCH] cpufreq: intel_pstate: Unchecked MSR aceess in legacy mode) From: srinivas pandruvada To: Aaron Rainbolt Cc: "Rafael J. Wysocki" , viresh.kumar@linaro.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, mmikowski@kfocus.org Date: Thu, 06 Nov 2025 09:44:41 -0800 In-Reply-To: <20251106113137.5b83bb3f@kf-m2g5> References: <20250429210711.255185-1-srinivas.pandruvada@linux.intel.com> <20250910113650.54eafc2b@kf-m2g5> <20250910153329.10dcef9d@kf-m2g5> <20251106113137.5b83bb3f@kf-m2g5> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2 (3.56.2-2.fc42) Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Thu, 2025-11-06 at 11:31 -0600, Aaron Rainbolt wrote: > On Thu, 06 Nov 2025 07:23:14 -0800 > srinivas pandruvada wrote: >=20 > > Hi Aaron, > >=20 > > On Wed, 2025-09-10 at 15:33 -0500, Aaron Rainbolt wrote: > > > On Wed, 10 Sep 2025 10:15:00 -0700 > > > srinivas pandruvada wrote: > > > =C2=A0=20 > > > > On Wed, 2025-09-10 at 11:36 -0500, Aaron Rainbolt wrote:=C2=A0=20 > > > > > On Wed, 30 Apr 2025 16:29:09 +0200 > > > > > "Rafael J. Wysocki" wrote: > > > > > =C2=A0=C2=A0=C2=A0=20 > > > > > > On Tue, Apr 29, 2025 at 11:07=E2=80=AFPM Srinivas Pandruvada > > > > > > wrote:=C2=A0=C2=A0=C2=A0= =20 > > > > > > >=20 > > > > > > > When turbo mode is unavailable on a Skylake-X system, > > > > > > > executing > > > > > > > the > > > > > > > command: > > > > > > > "echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo" > > > > > > > results in an unchecked MSR access error: WRMSR to 0x199 > > > > > > > (attempted to write 0x0000000100001300).=C2=A0=20 > > Please try the attached patch, if this address this issue. >=20 > I can confirm that this patch does resolve the issue when applied to > Kubuntu Focus's 6.14 kernel. CPU frequencies are available that > require > turbo boost, and `cat /sys/devices/system/cpu/intel_pstate` returns > `0`. The logs from `dmesg` also indicate that turbo was disabled > earlier in boot, but the warnings about turbo being disabled stop > appearing later on, even when manipulating the `no_turbo` file: Thanks for test. I am waiting for some other reporters from Suse to confirm. I will add your tested by tag. - Srinivas >=20 > [=C2=A0=C2=A0 25.893012] intel_pstate: Turbo is disabled > [=C2=A0=C2=A0 25.893019] intel_pstate: Turbo disabled by BIOS or unavaila= ble on > processor > [=C2=A0=C2=A0 25.950587] NET: Registered PF_QIPCRTR protocol family > [=C2=A0=C2=A0 26.599013] Realtek Internal NBASE-T PHY r8169-0-6c00:00: at= tached > PHY driver (mii_bus:phy_addr=3Dr8169-0-6c00:00, irq=3DMAC) > [=C2=A0=C2=A0 26.725959] ACPI BIOS Error (bug): Could not resolve symbol > [\_TZ.ETMD], AE_NOT_FOUND (20240827/psargs-332) >=20 > [=C2=A0=C2=A0 26.725976] No Local Variables are initialized for Method [_= OSC] >=20 > [=C2=A0=C2=A0 26.725978] Initialized Arguments for Method [_OSC]:=C2=A0 (= 4 arguments > defined for method invocation) > [=C2=A0=C2=A0 26.725979]=C2=A0=C2=A0 Arg0:=C2=A0=C2=A0 0000000030ddf166 <= Obj>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Buffer(16) > 5D A8 3B B2 B7 C8 42 35 > [=C2=A0=C2=A0 26.725991]=C2=A0=C2=A0 Arg1:=C2=A0=C2=A0 0000000002bd3ac4 <= Obj>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Integer > 0000000000000001 > [=C2=A0=C2=A0 26.725996]=C2=A0=C2=A0 Arg2:=C2=A0=C2=A0 0000000033eb047e <= Obj>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Integer > 0000000000000002 > [=C2=A0=C2=A0 26.725999]=C2=A0=C2=A0 Arg3:=C2=A0=C2=A0 00000000de6cf5f1 <= Obj>=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 Buffer(8) > 00 00 00 00 05 00 00 00 >=20 > [=C2=A0=C2=A0 26.726010] ACPI Error: Aborting method \_SB.IETM._OSC due t= o > previous error (AE_NOT_FOUND) (20240827/psparse-529) > [=C2=A0=C2=A0 26.726056] Consider using thermal netlink events interface > [=C2=A0=C2=A0 26.769209] r8169 0000:6c:00.0 enp108s0: Link is Down > [=C2=A0=C2=A0 26.857318] zram0: detected capacity change from 0 to 195035= 136 > [=C2=A0=C2=A0 26.864390] vboxdrv: Found 32 processor cores/threads > [=C2=A0=C2=A0 26.873227] Adding 97517564k swap on /dev/zram0.=C2=A0 Prior= ity:-2 > extents:1 across:97517564k SS > [=C2=A0=C2=A0 26.880588] vboxdrv: TSC mode is Invariant, tentative freque= ncy > 2419194640 Hz > [=C2=A0=C2=A0 26.880592] vboxdrv: Successfully loaded version 7.2.4 r1709= 95 > (interface 0x00340001) > [=C2=A0=C2=A0 26.895725] intel_pstate: Turbo is disabled > [=C2=A0=C2=A0 26.895730] intel_pstate: Turbo disabled by BIOS or unavaila= ble on > processor > [=C2=A0=C2=A0 26.943715] iwlwifi 0000:00:14.3: WFPM_UMAC_PD_NOTIFICATION:= 0x20 > [=C2=A0=C2=A0 26.943746] iwlwifi 0000:00:14.3: WFPM_LMAC2_PD_NOTIFICATION= : 0x1f > [=C2=A0=C2=A0 26.943755] iwlwifi 0000:00:14.3: WFPM_AUTH_KEY_0: 0x90 > [=C2=A0=C2=A0 26.943765] iwlwifi 0000:00:14.3: CNVI_SCU_SEQ_DATA_DW9: 0x0 > [=C2=A0=C2=A0 26.944901] iwlwifi 0000:00:14.3: RFIm is deactivated, reaso= n =3D 5 > [=C2=A0=C2=A0 27.045437] iwlwifi 0000:00:14.3: Registered PHC clock: iwlw= ifi- > PTP, with index: 0 > [=C2=A0=C2=A0 27.098590] VBoxNetFlt: Successfully started. > [=C2=A0=C2=A0 27.101687] VBoxNetAdp: Successfully started. > [=C2=A0=C2=A0 27.153602] bridge: filtering via arp/ip/ip6tables is no lon= ger > available by default. Update your scripts to load br_netfilter if you > need this. > [=C2=A0=C2=A0 27.851014] loop14: detected capacity change from 0 to 8 > [=C2=A0=C2=A0 27.895706] r8169 0000:6c:00.0: invalid VPD tag 0xff (size 0= ) at > offset 0; assume missing optional EEPROM > [=C2=A0=C2=A0 28.898015] intel_pstate: Turbo is disabled > [=C2=A0=C2=A0 28.898021] intel_pstate: Turbo disabled by BIOS or unavaila= ble on > processor > [=C2=A0=C2=A0 31.900781] intel_pstate: Turbo is disabled > [=C2=A0=C2=A0 31.900788] intel_pstate: Turbo disabled by BIOS or unavaila= ble on > processor > [=C2=A0=C2=A0 33.959448] Bluetooth: RFCOMM TTY layer initialized > [=C2=A0=C2=A0 33.959456] Bluetooth: RFCOMM socket layer initialized > [=C2=A0=C2=A0 33.959462] Bluetooth: RFCOMM ver 1.11 > [=C2=A0=C2=A0 36.903768] intel_pstate: Turbo is disabled > [=C2=A0=C2=A0 36.903777] intel_pstate: Turbo disabled by BIOS or unavaila= ble on > processor > [=C2=A0=C2=A0 38.054345] systemd-journald[883]: > /var/log/journal/a9e8e3d2041547169b107e1e1a23f2ce/user-1000.journal: > Journal file uses a different sequence number ID, rotating. > [=C2=A0=C2=A0 39.799560] warning: `kded5' uses wireless extensions which = will > stop working for Wi-Fi 7 hardware; use nl80211 > [=C2=A0=C2=A0 40.884365] wlp0s20f3: authenticate with 18:ee:86:8b:16:a2 (= local > address=3D98:bd:80:8a:e9:27) > [=C2=A0=C2=A0 40.885147] wlp0s20f3: send auth to 18:ee:86:8b:16:a2 (try 1= /3) > [=C2=A0=C2=A0 40.968595] wlp0s20f3: authenticate with 18:ee:86:8b:16:a2 (= local > address=3D98:bd:80:8a:e9:27) > [=C2=A0=C2=A0 40.968603] wlp0s20f3: send auth to 18:ee:86:8b:16:a2 (try 1= /3) > [=C2=A0=C2=A0 40.980941] wlp0s20f3: authenticated > [=C2=A0=C2=A0 40.981904] wlp0s20f3: associate with 18:ee:86:8b:16:a2 (try= 1/3) > [=C2=A0=C2=A0 41.042933] wlp0s20f3: RX AssocResp from 18:ee:86:8b:16:a2 > (capab=3D0x1431 status=3D0 aid=3D14) > [=C2=A0=C2=A0 41.046917] wlp0s20f3: associated >=20 > If you post the patch, I'm happy to add a `Tested-by` tag for it. > Thank you for your help! >=20 > > Thanks, > > Srinivas >=20