From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8642AC433FF for ; Mon, 5 Aug 2019 13:00:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6744620880 for ; Mon, 5 Aug 2019 13:00:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728746AbfHENAm (ORCPT ); Mon, 5 Aug 2019 09:00:42 -0400 Received: from mga17.intel.com ([192.55.52.151]:17745 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727553AbfHENAm (ORCPT ); Mon, 5 Aug 2019 09:00:42 -0400 X-Amp-Result: UNKNOWN X-Amp-Original-Verdict: FILE UNKNOWN X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 05 Aug 2019 06:00:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,349,1559545200"; d="scan'208";a="192414726" Received: from lahna.fi.intel.com (HELO lahna) ([10.237.72.157]) by fmsmga001.fm.intel.com with SMTP; 05 Aug 2019 06:00:40 -0700 Received: by lahna (sSMTP sendmail emulation); Mon, 05 Aug 2019 16:00:39 +0300 Date: Mon, 5 Aug 2019 16:00:39 +0300 From: Mika Westerberg To: Bjorn Helgaas Cc: Matthias Andree , linux-pci@vger.kernel.org, "Rafael J. Wysocki" Subject: Re: regression: PCIe resume from suspend stalls I/O and causes interrupt storms in Linux 5.3-rc2 (5.2.5, 5.1.20) on Ryzen 7 1700/AMD X370 MSI board since 5817d78eba34f6c86f5462ae2c5212f80a013357, 5.2/5.3 w/ pcieIRQ loop. Message-ID: <20190805130039.GP2640@lahna.fi.intel.com> References: <935c6fd8-c606-836a-9e59-772b9111d5d6@gmx.de> <20190805122751.GL2640@lahna.fi.intel.com> <20190805124704.GP151852@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190805124704.GP151852@google.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo User-Agent: Mutt/1.11.4 (2019-03-13) Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Mon, Aug 05, 2019 at 07:47:05AM -0500, Bjorn Helgaas wrote: > On Mon, Aug 05, 2019 at 03:27:51PM +0300, Mika Westerberg wrote: > > Are you able to get dmesg after resume or is it completely dead? It > > would help you we could see how long it tries to wait for the downstream > > link by passing "pciepordrv.dyndbg" to the kernel command line. > > "pcieportdrv.dyndbg" (with "t"), I think. Right, thanks for the correction.