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=-3.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 E3011C4363D for ; Tue, 6 Oct 2020 13:33:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 819A520796 for ; Tue, 6 Oct 2020 13:33:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="SBSdKX6/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726012AbgJFNdY (ORCPT ); Tue, 6 Oct 2020 09:33:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55268 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725902AbgJFNdX (ORCPT ); Tue, 6 Oct 2020 09:33:23 -0400 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60D17C061755 for ; Tue, 6 Oct 2020 06:33:23 -0700 (PDT) Received: by mail-pf1-x441.google.com with SMTP id 144so9044612pfb.4 for ; Tue, 06 Oct 2020 06:33:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=Vm1qg5tFM/go3uZ+IFi1ZY4Ibsza7VdedxtPshUR0wA=; b=SBSdKX6/2NAGUgBAXq+UB2ZJMH7fmjLJhOIhMKAOF26PXkpGxgg4lfSi/6WXVBo72G 5DXxSuMVgntF9ApClATEoRCpHukGPkhqPTvb5f5xdxXZaq2gw7o2GJBDJUYXHx1T9QnV i/2h/JDWbXHNwKRKT8zkVsG51wFmakNlkuto5NxL+00tKr7CTRDd8lXbAUuLpzDNVY8b RCmCc2S27hc+0F+CCE8Z5SNXMLxskJjznMPLmXK/nSqB6uietnMhq4cR6vfMzblRzZpR lG4VavePWJze81z/6OVaLMdVqjfoE6J3jfc3DDCZvlOYm9IeHL8Ma81WkkKOy1pZXu0v dUZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=Vm1qg5tFM/go3uZ+IFi1ZY4Ibsza7VdedxtPshUR0wA=; b=JVe2ELZhzBC3qUgxwa5Tb9CKyhA4xBF7jq/x1NvumA4SwJhkDTnNwVsmtYgPZeueRO FuhfcX8xX+/JvtNFNgyMGATapnvBtSgJ2cm/X7PtJihkKO0sNoCaHblXs5RdD1eKaG51 WnpfbsHoL+Nif8ku/OzpWKW/zFlLiMvdNk4BxYefk+j0kSsq/sYJcpcFPCObhBesqrxh CfzyeJtJlH5z/gMN9GMNMDQ8eImMcQCX8vGHPNhVLU/KyS/HlLpa4iwftrNGXmtbLaIv qNvabx+ZDby2h8tYc9Fp+X8rsZSGb5XRDQEzAcwFvJMKgjfyAi+WHlU/XnrqD5FGXBUz Lliw== X-Gm-Message-State: AOAM5315k1MVM1A6+MSAwxI34YafShviqLH7+mCglsv8tFObW2VyV7WP xf0x72Fn43+JOnrVruWvqlA= X-Google-Smtp-Source: ABdhPJykmUpJZjbW3TXNR0HlZqdGk1+eN6n3FA+FALID62Wf2jiP3bwcEQSalwp4zPrtaQCp1zp4Sg== X-Received: by 2002:a63:cd48:: with SMTP id a8mr3877058pgj.83.1601991202854; Tue, 06 Oct 2020 06:33:22 -0700 (PDT) Received: from localhost ([2409:10:2e40:5100:6e29:95ff:fe2d:8f34]) by smtp.gmail.com with ESMTPSA id s8sm2808255pjn.10.2020.10.06.06.33.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 06 Oct 2020 06:33:21 -0700 (PDT) Date: Tue, 6 Oct 2020 22:33:19 +0900 From: Sergey Senozhatsky To: Petr Mladek Cc: Sergey Senozhatsky , Guenter Roeck , Shreyas Joshi , rostedt@goodmis.org, shreyasjoshi15@gmail.com, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , Linus Torvalds Subject: Re: [PATCH] printk: handle blank console arguments passed in. Message-ID: <20201006133319.GA178176@jagdpanzerIV.localdomain> References: <20200522065306.83-1-shreyas.joshi@biamp.com> <20200522100046.GH3464@linux-b0ei> <20201006025935.GA597@jagdpanzerIV.localdomain> <20201006065907.GA528@jagdpanzerIV.localdomain> <20201006095435.GC32369@alley> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20201006095435.GC32369@alley> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On (20/10/06 11:54), Petr Mladek wrote: > On Tue 2020-10-06 15:59:07, Sergey Senozhatsky wrote: > > On (20/10/05 20:35), Guenter Roeck wrote: > > > On a side note, I don't see the problem presumably fixed with this > > > patch in any of my tests. > > > > Hmm. This is rather interesting. Empty console= certainly oops-es my laptop, > > Just by chance. Do you have any log with the Oops? Or does it die > silently? The laptop in question has fbdev and no serial. It dies with blank screen. I'll try to dig it and get some backtrace or anything useful. -ss