Received: by 2002:a25:e74b:0:0:0:0:0 with SMTP id e72csp812126ybh; Tue, 21 Jul 2020 08:28:18 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyx9Hmrvnc3maWi1v8ZscEvwvhreeMrkUOsp5Bu627HeeuImc2NaryApFQIp05hxrGk7cwB X-Received: by 2002:a05:6402:174e:: with SMTP id v14mr26613735edx.153.1595345298419; Tue, 21 Jul 2020 08:28:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1595345298; cv=none; d=google.com; s=arc-20160816; b=ghGhnHnSmPBPiwD4ISUxA0ewVid0XbD0QahyyrEX0opxl1R/+FIH1p5XR4BrkUZhYT hzICyMbR7qsFvfPNHO5AjY+RI58t2dM9rqv5F3YYKWjyf2AftREdF51ywh3YtVhDF2wo rH4THpbrvADFk28jB19UTC0lPzOMFCHkxIFECbF0MSLkCHE264l1GvfFBZqpJK/bDIfw 5u1RTMHDWyl3rNt97bxDwCN4lWjOivtHGxe8vjPjyIHqTWOfrp0QMsfSMcCv6ZC3o1GC 8VxXUqnY9iPHWgCB/Htl4lTOgqXGtUwvsf/t+pSA/WaB3cVmFbrHLWQs9T4FMTFuEkqx MiBQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:organization:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:ironport-sdr:ironport-sdr; bh=yGm/ZdBufn7ouxAJp+I21N6WOrIJ+LeMJEtQdULNCYY=; b=gtJzULSfhh9yDs5xL/9L/brelD+O8/s0CJVOuWkPeRcBln1XAF3Cy5wHS30hFQ7RCD siNhRtSupDgxwaEta7TwC80VFZiZo9IokBp0jOIoDVP/eFT5rCL7fKvTxPA85CA+zWwE Yip54s4hdSgHcHPFFR5k+hAkIcxYJWyGPc66CIJruMnfaFM0C23eHUWXUVqzWqPDdf7b 4MNgNPwOHqZTugEz3UrAlzF9qynEj7dXkqv0H2RzhV5fWAHrR/MjtP+smUzW4mY+E/TM US506srmpTMgXyc3lmYAmvYZ1rxGz4qntYkO+VVx+ozBLr1GHv4c6c0HLJ9jGazWQ0hD JzoA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id b19si12758544ejv.524.2020.07.21.08.27.55; Tue, 21 Jul 2020 08:28:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728391AbgGUP1n (ORCPT + 99 others); Tue, 21 Jul 2020 11:27:43 -0400 Received: from mga03.intel.com ([134.134.136.65]:26547 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726830AbgGUP1n (ORCPT ); Tue, 21 Jul 2020 11:27:43 -0400 IronPort-SDR: fokch5A8MiLp8qwwB+/oyksFB0yUUUMWhs+Ci4X/nkzPDzbRsZa2Mj40SiZHuYvlW0WtmMYNRT 4jotY6LYi2CQ== X-IronPort-AV: E=McAfee;i="6000,8403,9689"; a="150132751" X-IronPort-AV: E=Sophos;i="5.75,379,1589266800"; d="scan'208";a="150132751" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Jul 2020 08:27:42 -0700 IronPort-SDR: m9Yv3szcNnwqnBWnMd6YPHjbliYFF5XJkiXvnqC85+KMTFwgkgyG6ChCE/R2uNGy3aLyySdAzB PtjfD4EwWf9w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,379,1589266800"; d="scan'208";a="392383055" Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.163]) by fmsmga001.fm.intel.com with SMTP; 21 Jul 2020 08:27:38 -0700 Received: by lahna (sSMTP sendmail emulation); Tue, 21 Jul 2020 18:27:37 +0300 Date: Tue, 21 Jul 2020 18:27:37 +0300 From: Mika Westerberg To: Lyude Paul Cc: Karol Herbst , Bjorn Helgaas , Linux PCI , Ben Skeggs , Bjorn Helgaas , nouveau , dri-devel , Patrick Volkerding , LKML , Kai-Heng Feng , Sasha Levin Subject: Re: nouveau regression with 5.7 caused by "PCI/PM: Assume ports without DLL Link Active train links in 100 ms" Message-ID: <20200721152737.GS5180@lahna.fi.intel.com> References: <20200716235440.GA675421@bjorn-Precision-5520> <20200721122247.GI5180@lahna.fi.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 21, 2020 at 11:01:55AM -0400, Lyude Paul wrote: > Sure thing. Also, feel free to let me know if you'd like access to one of the > systems we saw breaking with this patch - I'm fairly sure I've got one of them > locally at my apartment and don't mind setting up AMT/KVM/SSH Probably no need for remote access (thanks for the offer, though). I attached a test patch to the bug report: https://bugzilla.kernel.org/show_bug.cgi?id=208597 that tries to work it around (based on the ->pm_cap == 0). I wonder if anyone would have time to try it out.