From patchwork Thu Oct 31 10:30:04 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Klaus Kusche X-Patchwork-Id: 11220901 X-Patchwork-Delegate: luca@coelho.fi Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7341314E5 for ; Thu, 31 Oct 2019 10:47:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 57C46208C0 for ; Thu, 31 Oct 2019 10:47:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727033AbfJaKrI (ORCPT ); Thu, 31 Oct 2019 06:47:08 -0400 Received: from www74.your-server.de ([213.133.104.74]:50536 "EHLO www74.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726932AbfJaKrI (ORCPT ); Thu, 31 Oct 2019 06:47:08 -0400 X-Greylist: delayed 1020 seconds by postgrey-1.27 at vger.kernel.org; Thu, 31 Oct 2019 06:47:06 EDT Received: from sslproxy01.your-server.de ([88.198.220.130]) by www74.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1iQ7iP-000089-5u; Thu, 31 Oct 2019 11:30:05 +0100 Received: from [95.91.84.106] (helo=[192.168.178.28]) by sslproxy01.your-server.de with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1iQ7iO-0003RW-Lt; Thu, 31 Oct 2019 11:30:04 +0100 Subject: PATCH: Change log level of "iwlwifi 0000:6f:00.0: BIOS contains WGDS but no WRDS" to "info" From: Klaus Kusche To: linuxwifi@intel.com, johannes.berg@intel.com, emmanuel.grumbach@intel.com, linux-wireless@vger.kernel.org References: Message-ID: <30e95fb1-96df-b96a-c79e-e35a945ec889@computerix.info> Date: Thu, 31 Oct 2019 11:30:04 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.0 MIME-Version: 1.0 In-Reply-To: Content-Language: en-US X-Authenticated-Sender: klaus.kusche@computerix.info X-Virus-Scanned: Clear (ClamAV 0.101.4/25619/Thu Oct 31 09:55:29 2019) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Hello again, On 22/10/2019 20:39, Klaus Kusche wrote: > Hello, > > every time I boot my dell notebook (with Wi-Fi 6 AX200), I get the error message > "iwlwifi 0000:6f:00.0: BIOS contains WGDS but no WRDS". > > This is the only message which such a high log level I get while booting, > it is the only message which is displayed on all text consoles on boot, > and it is the only message which makes my automated logchecker nervous each time. > > However, iwlwifi works perfectly fine for wifi in spite of the message > (and bluetooth has deliberately been disabled in the bios settings > for security reasons), > and there is absolutely nothing I could do about the message > (I have no influence what dell does in their bios and what they don't). > Internet wisdom also says that the message is just annoying and > can be safely ignored. > > Hence, the message is not an error at all ("error" being defined as > "something definitely failed, manual intervention required for correct operation"). > It does not even qualify as a warning ("warning" being defined as > "something is likely to fail, manual checking recommended"). > > So please set the log level of that message down to "info" > (besides, the message text is completely cryptic and uninformative, > I still don't know what this message wants to tell me, > although I searched the internet). Discussed this with Mario.Limonciello@dell.com. He also wants this to be patched: On 29/10/2019 22:43, Mario.Limonciello@dell.com wrote: > Dell Customer Communication - Confidential > >> -----Original Message----- >> From: Klaus Kusche >>... >> When booting, there is a single kernel message of loglevel error >> which stands out in red in journalctl >> and which gets displayed on all text consoles (very annoying): >> >> kernel: iwlwifi 0000:6f:00.0: BIOS contains WGDS but no WRDS > > If possible, you should probably submit a patch to iwlwifi driver to downgrade this message to > debug. It really isn't useful to many people typically. So here comes a patch: --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c 2019-10-19 09:21:14.541422680 +0200 +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c 2019-10-27 14:43:43.990623338 +0100 @@ -1345,7 +1345,7 @@ * available, issue an error, because we can't use SAR * Geo without basic SAR. */ - IWL_ERR(mvm, "BIOS contains WGDS but no WRDS\n"); + IWL_INFO(mvm, "BIOS contains WGDS but no WRDS\n"); } if (ret < 0)