From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.web.de (mout.web.de [212.227.17.11]) (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 8407D16B750; Mon, 1 Jul 2024 16:14:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.17.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719850448; cv=none; b=gWcWl82v0WrDxBSOCWi/jGr88SXLINQ4xeeBh6m5Q7sA2csEhjjcTpuydqT+OpJlF0oWt36paAepk6JeGvEUvpnPBoI47w7ZrtBpjbPsOP8Nuf59cXLaK/i18JkTCMOlWJKTKGwoEpK8QnexdNDjdYiI4O2b39CUDysUSOvUocw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719850448; c=relaxed/simple; bh=tEp5w7MyAdLH0DTcYwl0fttbcn3WiIXoF3gGuIxKOwQ=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=YHIbeQpjvtE2mE6JT6b0q2ef7fZAafVcfA88PZMhDm/iMZHycJaT9DTWbJDmZzlFT9W0ZM5KhSyiRe7s3OcVswf/9LPerBehbNvB5kHxmhbZQsrABQOs3gL8gR9NYdIRcCCl7abtHUz8dm7sl0F51ytWFSMnykeQVw1usfL28wM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de; spf=pass smtp.mailfrom=web.de; dkim=pass (2048-bit key) header.d=web.de header.i=wendler.lars@web.de header.b=QA/QlUzQ; arc=none smtp.client-ip=212.227.17.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=web.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=web.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=web.de header.i=wendler.lars@web.de header.b="QA/QlUzQ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=web.de; s=s29768273; t=1719850440; x=1720455240; i=wendler.lars@web.de; bh=qbmq9OhbELMMVzqVItX0Z0Vr4RvG26IJ/YtlBtAWJ6c=; h=X-UI-Sender-Class:Date:From:To:Cc:Subject:Message-ID:In-Reply-To: References:MIME-Version:Content-Type:cc:content-transfer-encoding: content-type:date:from:message-id:mime-version:reply-to:subject: to; b=QA/QlUzQWf6Rf4x64CL98Owis23ARQzDihZb0hI+zTooLgju87ScPMeQr6TpwsO6 2xKofxpfNSU5E0PiTUxgB3TDFQTS0E7YZQXkrJghNVw9qnJD5pJLq4+jNm0faeG/K IH5ourjcujHf6BnUrX/wCZ+0eXIVqlJLdjJWYtBhv44JcrpBMRQv91+HnDzBXDKxi A0NumJ0/Ivm/+Fnyi7VBkOOaFVsqQkbOdi8lvIP8jbyAPLConf6QlheEEuzTcLGZa RQq8VxC5g/oceaWmy1GV/BPR9w89EweBEHl6g1GhGnSWNHq9ZIQmE+YzqKajGwscx FOqLW6MhG5qSl4FRpg== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Received: from chagall.paradoxon.rec ([84.169.215.76]) by smtp.web.de (mrweb105 [213.165.67.124]) with ESMTPSA (Nemesis) id 1MG994-1sepwS0uDs-001HFW; Mon, 01 Jul 2024 18:14:00 +0200 Date: Mon, 1 Jul 2024 18:13:49 +0200 From: Lars Wendler To: Mario Limonciello Cc: Linux kernel regressions list , "Huang, Ray" , "Yuan, Perry" , "Shenoy, Gautham Ranjal" , "Du, Xiaojian" , "Meng, Li (Jassmine)" , "stable@vger.kernel.org" Subject: Re: linux-6.6.y: Regression in amd-pstate cpufreq driver since 6.6.34 Message-ID: <20240701181349.5e8e76b8@chagall.paradoxon.rec> In-Reply-To: References: <20240701112944.14de816f@chagall.paradoxon.rec> <7f1aaa11-2c08-4f33-b531-331e50bd578e@amd.com> <20240701174539.4d479d56@chagall.paradoxon.rec> Organization: privat X-Mailer: Claws Mail 4.3.0 (GTK 3.24.42; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="Sig_/MuoKgmndHIbJ/sj81b.B1_6"; protocol="application/pgp-signature"; micalg=pgp-sha512 X-Provags-ID: V03:K1:ljjpFkjEpOn2wqvibHTDR3t8CsRrxd9LsIpI3+iZlS1XLtZxbnn Pz7unZcX5b7oNgagAFugx69Q4LjaLJ3vf1ylcbczPJ7rrdlzK6OtY/q/CBDYZJjQ5Yw94ng xnAFJPj/95m9OmCY3CSWRBXYixAvQKhMUIKFMc/f11skx0KG7eZatLuLrirs1jGB7rLi19w gmJkV2pP1pKXs3hhCr7/g== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:8jbhY0sSlYE=;q0docJlicDsV9FLILWh4xG82fWy zyCyCcZghrQpSrjaiQCkRQM56M2aWGOGUYIFGu2P+ms1BjppJwNSy/+3lq0KMdE2OkkHflC3T leES1Frp1SftJtfS5mj88rg3O6GYvezHRA31UI268tZxf2rDbtkx6wpMZGB/l4dpq5/HU9meq n04AVsUI+B+Av3hwUD6QWVInFjDO7GSqhkwt93Fu6O80vbmcEzW37zKOot+VOjJ/NIvm6JzhV MDKUWnxHtECYiYnIuH1KNsqnEf5Gg60NmhIJpyyqLe0IZ/ActggIwZ6RyPVao2rdTNmtRgMMA t8cc6JVFthcpwoqM/5kG/ljbSlP/2z1/aSGEB9AK0F8KCqXaC8CHIH0nnmK5tgXJ78uPaCURm 3VnZ1l3KRHuwq3bsGGv+94UrqFVzLaM3ymNeU57D2JRMtQqKoit0NC3KxwSfGhj9joXLlDlg+ E5y7XQ6Pvsrgu+UPcZOEFHf9cDnFjHGVTogEJcr+kqNrtpI1n4fEWF6hrLkBr97DrBAJnbCIJ H/+/jOtFNUbAGJKkjzEEFgr8F8aZ1YzZy4WK5FQUEHMupz0FaddXc710dGa3O/IWdloejbwwt kiqPHzG3pjvBz7V8ozmyp9WkMdIFUMPeWvFasG9+CW7GD9h3Ggfw+7enGRa6+ueG3aRvDm22M 8D7/8rBuOWf6O5Rh8+WCj219JmrFZT0HBJHlORpkUuNv2Gm5r9y6qdL1kHfmOzUS/o9cPM9FW vcYbxVclOq7+Lz1KKRYujzFc/6rir1aHQlgf5nZar8Jkicn7ZpRpasWBAp717LRyplzGwzjHW /MbO3HnOR64XoJoT/WogQ+4qeUh/CWudRDMiFdmh6YGqM= --Sig_/MuoKgmndHIbJ/sj81b.B1_6 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hello Mario, Am Mon, 1 Jul 2024 10:58:17 -0500 schrieb Mario Limonciello : > > I've tested both, 6.9.7 and 6.10-rc6 and they both don't have that > > issue. I can disable CPU boost with both kernel versions. >=20 > Thanks for checking those. That's good to hear it's only an issue in=20 > the LTS series. >=20 > It means we have the option to either drop that patch from LTS kernel=20 > series or identify the other commit(s) that helped it. >=20 > Can you see if adding this commit to 6.6.y helps you? >=20 > https://git.kernel.org/superm1/c/8164f743326404fbe00a721a12efd86b2a8d74d2 that commit does not fix the regression. > >=20 > >> I'd like to understand if we just have a missing commit to backport > >> or it's a problem in the mainline kernel as well. > >> > >> From the below description it's specifically with boost in > >> passive mode, right? > >=20 > > I have only tested the passive mode on all my Ryzen systems and > > only my Zen4 machine shows this regression. > > =20 >=20 > That's an interesting finding. Do you know if your other system(s)=20 > support preferred cores? >=20 > Also as a curiosity why don't you use active mode (EPP)? Most people=20 > find a better balance with perf/efficiency with EPP. >=20 --Sig_/MuoKgmndHIbJ/sj81b.B1_6 Content-Type: application/pgp-signature Content-Description: Digitale Signatur von OpenPGP -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEWCOBmo8i7LhvVmNAVx3S0DQ8YDkFAmaC1b0ACgkQVx3S0DQ8 YDmaHw//YTVPbeOkFlCmnUFPAUFileajbaH7aAyFl/cOmNXE+gYWUZDB8l8alWde XXEXDcbXz83NTvjfyCABZbmccAzqOciqzOPHgIcnse8ADHH4PsRtvEEUt7rVSM2b EMX2BVQVs34mtfcOXai4r74ODxOU/YXAX9yqJAKVT+72YhSiUPURP1DkhwJ5oMTR 82G8bpsINzIl8+43q075mmO9EDDvbas6z5/d2RpJhkJWNPKucljZ7mFDVT10SKsB t6YRHMupI/3ycxim6/QsrJZWYgXjw4GzCERX79vwTlehfYJ5g6rUCA3fhukR2vFS oB5eKmdMs9ctTM8GcgjJUFVIz2+MxE7EK2J+LFE2uFncEHL+dTNj/EtN0DM8E+T6 VHxJlzaR0XBl7COiKwXozpNTtmcAewOXfNG0KdUsM8umy4H8jZlrGGEp6jxJySKC 50nwbsSCHUVjLXioLj261KZ5Pa13AlI0vn663i33g2FdzZ+7mi0nHQnysMSkH7+X MOoj7fWnnXO0WUYlgItJCuICCf03Qxf08Unt9gSl+whE/vJ4qqPtORWpFPTdKKRA 05m83qulKQyTujWo938gCAw2sSNzWNvZso4t8xs9+Stc53AZfBKQ/7g0HOs+iLl4 LDcm6Y8iHI4MS5b+g+ax10Ms+/Ur52Cqe0dI3vcMNDo87Z147mM= =Uul6 -----END PGP SIGNATURE----- --Sig_/MuoKgmndHIbJ/sj81b.B1_6--