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=-2.2 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 01F65C3A59D for ; Tue, 20 Aug 2019 11:34:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D560E205C9 for ; Tue, 20 Aug 2019 11:34:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729762AbfHTLeH (ORCPT ); Tue, 20 Aug 2019 07:34:07 -0400 Received: from bmailout3.hostsharing.net ([176.9.242.62]:54515 "EHLO bmailout3.hostsharing.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728409AbfHTLeG (ORCPT ); Tue, 20 Aug 2019 07:34:06 -0400 Received: from h08.hostsharing.net (h08.hostsharing.net [83.223.95.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "*.hostsharing.net", Issuer "COMODO RSA Domain Validation Secure Server CA" (not verified)) by bmailout3.hostsharing.net (Postfix) with ESMTPS id 7A90310564D67; Tue, 20 Aug 2019 13:34:04 +0200 (CEST) Received: by h08.hostsharing.net (Postfix, from userid 100393) id 172A1522475; Tue, 20 Aug 2019 13:34:04 +0200 (CEST) Date: Tue, 20 Aug 2019 13:34:04 +0200 From: Lukas Wunner To: Mario.Limonciello@dell.com Cc: mika.westerberg@linux.intel.com, linux-kernel@vger.kernel.org, andreas.noever@gmail.com, michael.jamet@intel.com, YehezkelShB@gmail.com, rjw@rjwysocki.net, lenb@kernel.org, anthony.wong@canonical.com, rajmohan.mani@intel.com, raanan.avargil@intel.com, David.Laight@ACULAB.COM, linux-acpi@vger.kernel.org Subject: Re: [PATCH v3 0/8] thunderbolt: Intel Ice Lake support Message-ID: <20190820113404.pm6qvqakdkcwdpat@wunner.de> References: <20190819112223.15359-1-mika.westerberg@linux.intel.com> <5486107424db48f2a06ed4c8a81f75b0@AUSX13MPC101.AMER.DELL.COM> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5486107424db48f2a06ed4c8a81f75b0@AUSX13MPC101.AMER.DELL.COM> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 19, 2019 at 04:29:35PM +0000, Mario.Limonciello@dell.com wrote: > I've run into a problem when using > a WD19TB that after unplugging it will cause the following to spew in dmesg: > > [ 2198.017003] ============================================ > [ 2198.017005] WARNING: possible recursive locking detected > [ 2198.017008] 5.3.0-rc5+ #75 Not tainted > [ 2198.017009] -------------------------------------------- > [ 2198.017012] irq/122-pciehp/121 is trying to acquire lock: > [ 2198.017015] 00000000801d4de8 (&ctrl->reset_lock){.+.+}, at: pciehp_check_presence+0x1b/0x80 > [ 2198.017026] > but task is already holding lock: > [ 2198.017028] 000000000899e2eb (&ctrl->reset_lock){.+.+}, at: pciehp_ist+0xaf/0x1c0 This was first reported by Theodore in April and appears to be a false positive: https://lore.kernel.org/linux-pci/20190402083257.kyqmirq4ovzscxsv@wunner.de/ Thanks, Lukas