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=-5.2 required=3.0 tests=BAYES_00, 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 8EC41C433EF for ; Mon, 13 Sep 2021 20:41:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 796DC610E7 for ; Mon, 13 Sep 2021 20:41:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244538AbhIMUnO (ORCPT ); Mon, 13 Sep 2021 16:43:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48042 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241297AbhIMUnK (ORCPT ); Mon, 13 Sep 2021 16:43:10 -0400 Received: from scorn.kernelslacker.org (scorn.kernelslacker.org [IPv6:2600:3c03:e000:2fb::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 80353C061574; Mon, 13 Sep 2021 13:41:54 -0700 (PDT) Received: from [2601:196:4600:6634:ae9e:17ff:feb7:72ca] (helo=wopr.kernelslacker.org) by scorn.kernelslacker.org with esmtp (Exim 4.92) (envelope-from ) id 1mPsm0-00041E-Te; Mon, 13 Sep 2021 16:41:52 -0400 Received: by wopr.kernelslacker.org (Postfix, from userid 1026) id A23E45600F9; Mon, 13 Sep 2021 16:41:52 -0400 (EDT) Date: Mon, 13 Sep 2021 16:41:52 -0400 From: Dave Jones To: Heiner Kallweit Cc: Linus Torvalds , Linux Kernel Mailing List , Bjorn Helgaas , "linux-pci@vger.kernel.org" Subject: Re: Linux 5.15-rc1 Message-ID: <20210913204152.GB6762@codemonkey.org.uk> Mail-Followup-To: Dave Jones , Heiner Kallweit , Linus Torvalds , Linux Kernel Mailing List , Bjorn Helgaas , "linux-pci@vger.kernel.org" References: <20210913141818.GA27911@codemonkey.org.uk> <20210913201519.GA15726@codemonkey.org.uk> <72507051-9608-9502-790b-c49dd46a843d@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <72507051-9608-9502-790b-c49dd46a843d@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Sep 13, 2021 at 10:32:56PM +0200, Heiner Kallweit wrote: > > [ 184.235496] pci 0000:02:00.0: calling quirk_blacklist_vpd+0x0/0x22 @ 1 > > [ 184.235499] pci 0000:02:00.0: [Firmware Bug]: disabling VPD access (can't determine size of non-standard VPD format) > > [ 184.235501] pci 0000:02:00.0: quirk_blacklist_vpd+0x0/0x22 took 0 usecs > > > > OK, so this device is buggy too but not the root cause. After checking again the > stalls happen for VPD access to both ports of the Intel network adapter. > > 01:00.0 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01) > 01:00.1 Ethernet controller: Intel Corporation 82599ES 10-Gigabit SFI/SFP+ Network Connection (rev 01) > > I modified the test patch accordingly, could you please test again? That does avoid the stall. Dave