From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.11]) (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 177E22777FE; Mon, 10 Nov 2025 16:58:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762793938; cv=none; b=bfDrzQz5wc2mx2u/xs5erGSr4C3Hf+l914IDG+su6aE0Jv1hbb2ywTu0OjQcZCD2GXC85+6DyCsgakzvS3tkf24bkprffClWQQj5Wxw2dHKQSG7XCeKQ6IGzn1BkLuiH2AD+m8QCCfAsEh4y4okfG0kpBvgD2R865uF1vqUe4gU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762793938; c=relaxed/simple; bh=AmnEP7hxptzLyDCTDEMxmA+ZsQDnrhvdXn5AmxqJoI0=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=HuQR9MOeWC8x+o3g3bBuWI8omK/2q2Y8Qpj0NNYotdxbOZFOI0ZGwX1t6blmvctUxEGyO1F0qLU7eRZLxBjl5p10uYxVqdl1mNdlwujbS6zLv9OpA0nykPJrVCfat3SG+KMNf34T172eIKuUiPuguprGYdOmaaMiu8pSxj67ksM= 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=QgKbhQ8F; arc=none smtp.client-ip=198.175.65.11 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="QgKbhQ8F" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1762793936; x=1794329936; h=message-id:subject:from:to:cc:date:in-reply-to: references:mime-version; bh=AmnEP7hxptzLyDCTDEMxmA+ZsQDnrhvdXn5AmxqJoI0=; b=QgKbhQ8F70BRtobWBRwfJKedTFjRNoGtIGE27l3Od1np+IAXVQAKLPHE Lq62kPfWFjuOWSvIh5bsePZxF+vEcXwwQd6+juR29t4MuMHhYGofHehOB zxzXN2dZXad8XnQW8sZVID7coFVSFHEckq5zW24futXJ7K7z/6SXgeLeH TqvCbCgLqc+KJPcp/trbEXWUou0RWfZnJ3HF/2+vJoiALWJPUTP1BtO85 9c/QItCyvCB2OyEc55a8IPhb7T5WDfLyans+JHQmKU/eh+3p5NBTd3N2j +l69KuzXb1h1RD7umse0/e1/6bJyODVHA3/rZHKkC9c8nXpAO1WA4F0s8 g==; X-CSE-ConnectionGUID: bSGOnLIXQMinhGbTMsQv7w== X-CSE-MsgGUID: /VrLiMHGQEK1Jfnheqjjwg== X-IronPort-AV: E=McAfee;i="6800,10657,11609"; a="75140355" X-IronPort-AV: E=Sophos;i="6.19,294,1754982000"; d="scan'208,223";a="75140355" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 08:58:55 -0800 X-CSE-ConnectionGUID: IBGI0kFXSJC4tDXhWScoEQ== X-CSE-MsgGUID: ij0PXvB+RcOB//c9RY+51Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,294,1754982000"; d="scan'208,223";a="188027760" Received: from spandruv-desk2.jf.intel.com ([10.88.27.176]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2025 08:58:56 -0800 Message-ID: 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, Thomas Renninger Date: Mon, 10 Nov 2025 08:58:55 -0800 In-Reply-To: <8794c34dc127ee1bd3ed4d746ca7c1235ca3cb93.camel@linux.intel.com> References: <20250429210711.255185-1-srinivas.pandruvada@linux.intel.com> <20250910113650.54eafc2b@kf-m2g5> <20250910153329.10dcef9d@kf-m2g5> <20251106113137.5b83bb3f@kf-m2g5> <8794c34dc127ee1bd3ed4d746ca7c1235ca3cb93.camel@linux.intel.com> Content-Type: multipart/mixed; boundary="=-IMOs4CuJXzOvRh2J+xkb" User-Agent: Evolution 3.56.2 (3.56.2-2.fc42) Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 --=-IMOs4CuJXzOvRh2J+xkb Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable + Thomas Please verify so that I can post the patch. Thanks, Srinivas On Thu, 2025-11-06 at 17:48 -0800, srinivas pandruvada wrote: > Hi Aaron, >=20 > Please again verify this change. This limits the scope. > Patch attached. >=20 > Thanks, > Srinivas >=20 > 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: > >=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 unavai= lable > > 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: > > attached > > 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 symbo= l > > [\_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= =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= =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= =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= =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= to > > previous error (AE_NOT_FOUND) (20240827/psparse-529) > > [=C2=A0=C2=A0 26.726056] Consider using thermal netlink events interfac= e > > [=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 1950= 35136 > > [=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 Pri= ority:-2 > > extents:1 across:97517564k SS > > [=C2=A0=C2=A0 26.880588] vboxdrv: TSC mode is Invariant, tentative freq= uency > > 2419194640 Hz > > [=C2=A0=C2=A0 26.880592] vboxdrv: Successfully loaded version 7.2.4 r17= 0995 > > (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 unavai= lable > > on > > processor > > [=C2=A0=C2=A0 26.943715] iwlwifi 0000:00:14.3: WFPM_UMAC_PD_NOTIFICATIO= N: > > 0x20 > > [=C2=A0=C2=A0 26.943746] iwlwifi 0000:00:14.3: WFPM_LMAC2_PD_NOTIFICATI= ON: > > 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: 0= x0 > > [=C2=A0=C2=A0 26.944901] iwlwifi 0000:00:14.3: RFIm is deactivated, rea= son =3D > > 5 > > [=C2=A0=C2=A0 27.045437] iwlwifi 0000:00:14.3: Registered PHC clock: iw= lwifi- > > 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 l= onger > > 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 unavai= lable > > 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 unavai= lable > > 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 unavai= lable > > 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 whic= h 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 (t= ry > > 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 > >=20 --=-IMOs4CuJXzOvRh2J+xkb Content-Disposition: attachment; filename*0=0001-cpufreq-intel_pstate-Check-IDA-feature-only-during-M.pat; filename*1=ch Content-Transfer-Encoding: base64 Content-Type: text/x-patch; name="0001-cpufreq-intel_pstate-Check-IDA-feature-only-during-M.patch"; charset="UTF-8" RnJvbSAxNGE3MjI1ZGVhODZkZjBmMjg4Zjk0ZGYxNzRlM2QxZmNkMGExOGVkIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBTcmluaXZhcyBQYW5kcnV2YWRhIDxzcmluaXZhcy5wYW5kcnV2 YWRhQGxpbnV4LmludGVsLmNvbT4KRGF0ZTogVGh1LCA2IE5vdiAyMDI1IDE3OjM0OjA5IC0wODAw ClN1YmplY3Q6IFtQQVRDSF0gY3B1ZnJlcTogaW50ZWxfcHN0YXRlOiBDaGVjayBJREEgZmVhdHVy ZSBvbmx5IGR1cmluZyBNU1IKIDB4MTk5IHdyaXRlCgpDb21taXQgMGZiNWJlN2ZlYTk4ICgiY3B1 ZnJlcTogaW50ZWxfcHN0YXRlOiBVbmNoZWNrZWQgTVNSIGFjZWVzcyBpbgpsZWdhY3kgbW9kZSIp IGludHJvZHVjZWQgYSBjaGVjayBmb3IgZmVhdHVyZSBYODZfRkVBVFVSRV9JREEgdG8gdmVyaWZ5 CnR1cmJvIG1vZGUgc3VwcG9ydC4gQWx0aG91Z2ggdGhpcyBpcyB0aGUgY29ycmVjdCB3YXkgdG8g Y2hlY2sgZm9yIHR1cmJvCm1vZGUsIGl0IGNhdXNlcyBpc3N1ZXMgb24gc29tZSBwbGF0Zm9ybXMg dGhhdCBkaXNhYmxlIHR1cmJvIGR1cmluZyBPUwpib290IGJ1dCBlbmFibGUgaXQgbGF0ZXIuIFdp dGhvdXQgdGhpcyBmZWF0dXJlIGNoZWNrLCB1c2VycyB3ZXJlIGFibGUgdG8Kd3JpdGUgMCB0byAv c3lzL2RldmljZXMvc3lzdGVtL2NwdS9pbnRlbF9wc3RhdGUvbm9fdHVyYm8gcG9zdC1ib290IHRv CmdldCB0dXJibyBtb2RlIGZyZXF1ZW5jaWVzLgoKVG8gcmVzdG9yZSB0aGUgb2xkIGJlaGF2aW9y IHdoaWxlIHN0aWxsIGFkZHJlc3NpbmcgdGhlIHVuY2hlY2tlZCBNU1IKaXNzdWUgb24gc29tZSBT a3lsYWtlLVggc3lzdGVtcywgbGltaXQgdGhlIFg4Nl9GRUFUVVJFX0lEQSBjaGVjayB0byBvbmx5 CndoZW4gc2V0dGluZyBNU1IgMHgxOTkgVHVyYm8gRW5nYWdlIEJpdCAoYml0IDMyKS4KCkZpeGVz OiAwZmI1YmU3ZmVhOTggKCJjcHVmcmVxOiBpbnRlbF9wc3RhdGU6IFVuY2hlY2tlZCBNU1IgYWNl ZXNzIGluIGxlZ2FjeSBtb2RlIikKU2lnbmVkLW9mZi1ieTogU3Jpbml2YXMgUGFuZHJ1dmFkYSA8 c3Jpbml2YXMucGFuZHJ1dmFkYUBsaW51eC5pbnRlbC5jb20+Ci0tLQogZHJpdmVycy9jcHVmcmVx L2ludGVsX3BzdGF0ZS5jIHwgOSArKysrLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCA0IGluc2VydGlv bnMoKyksIDUgZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEvZHJpdmVycy9jcHVmcmVxL2ludGVs X3BzdGF0ZS5jIGIvZHJpdmVycy9jcHVmcmVxL2ludGVsX3BzdGF0ZS5jCmluZGV4IDQzZTg0N2U5 Zjc0MS4uMzhhOGU4NzdmMjIyIDEwMDY0NAotLS0gYS9kcml2ZXJzL2NwdWZyZXEvaW50ZWxfcHN0 YXRlLmMKKysrIGIvZHJpdmVycy9jcHVmcmVxL2ludGVsX3BzdGF0ZS5jCkBAIC01OTgsOSArNTk4 LDYgQEAgc3RhdGljIGJvb2wgdHVyYm9faXNfZGlzYWJsZWQodm9pZCkKIHsKIAl1NjQgbWlzY19l bjsKIAotCWlmICghY3B1X2ZlYXR1cmVfZW5hYmxlZChYODZfRkVBVFVSRV9JREEpKQotCQlyZXR1 cm4gdHJ1ZTsKLQogCXJkbXNybChNU1JfSUEzMl9NSVNDX0VOQUJMRSwgbWlzY19lbik7CiAKIAly ZXR1cm4gISEobWlzY19lbiAmIE1TUl9JQTMyX01JU0NfRU5BQkxFX1RVUkJPX0RJU0FCTEUpOwpA QCAtMjAxNCw3ICsyMDExLDggQEAgc3RhdGljIHU2NCBhdG9tX2dldF92YWwoc3RydWN0IGNwdWRh dGEgKmNwdWRhdGEsIGludCBwc3RhdGUpCiAJdTMyIHZpZDsKIAogCXZhbCA9ICh1NjQpcHN0YXRl IDw8IDg7Ci0JaWYgKFJFQURfT05DRShnbG9iYWwubm9fdHVyYm8pICYmICFSRUFEX09OQ0UoZ2xv YmFsLnR1cmJvX2Rpc2FibGVkKSkKKwlpZiAoUkVBRF9PTkNFKGdsb2JhbC5ub190dXJibykgJiYg IVJFQURfT05DRShnbG9iYWwudHVyYm9fZGlzYWJsZWQpICYmCisJICAgIGNwdV9mZWF0dXJlX2Vu YWJsZWQoWDg2X0ZFQVRVUkVfSURBKSkKIAkJdmFsIHw9ICh1NjQpMSA8PCAzMjsKIAogCXZpZF9m cCA9IGNwdWRhdGEtPnZpZC5taW4gKyBtdWxfZnAoCkBAIC0yMTc5LDcgKzIxNzcsOCBAQCBzdGF0 aWMgdTY0IGNvcmVfZ2V0X3ZhbChzdHJ1Y3QgY3B1ZGF0YSAqY3B1ZGF0YSwgaW50IHBzdGF0ZSkK IAl1NjQgdmFsOwogCiAJdmFsID0gKHU2NClwc3RhdGUgPDwgODsKLQlpZiAoUkVBRF9PTkNFKGds b2JhbC5ub190dXJibykgJiYgIVJFQURfT05DRShnbG9iYWwudHVyYm9fZGlzYWJsZWQpKQorCWlm IChSRUFEX09OQ0UoZ2xvYmFsLm5vX3R1cmJvKSAmJiAhUkVBRF9PTkNFKGdsb2JhbC50dXJib19k aXNhYmxlZCkgJiYKKwkgICAgY3B1X2ZlYXR1cmVfZW5hYmxlZChYODZfRkVBVFVSRV9JREEpKQog CQl2YWwgfD0gKHU2NCkxIDw8IDMyOwogCiAJcmV0dXJuIHZhbDsKLS0gCjIuNDMuMAoK --=-IMOs4CuJXzOvRh2J+xkb--