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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D2D6C433F5 for ; Fri, 25 Feb 2022 13:32:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241058AbiBYNcq (ORCPT ); Fri, 25 Feb 2022 08:32:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233609AbiBYNco (ORCPT ); Fri, 25 Feb 2022 08:32:44 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2D9B31BA93B for ; Fri, 25 Feb 2022 05:32:12 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BB05B61D59 for ; Fri, 25 Feb 2022 13:32:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 982FEC340E7; Fri, 25 Feb 2022 13:32:10 +0000 (UTC) Date: Fri, 25 Feb 2022 08:32:09 -0500 From: Steven Rostedt To: Sergey Senozhatsky Cc: LKML , Petr Mladek , John Ogness Subject: Re: Strange output on the console Message-ID: <20220225083209.24bafe2c@gandalf.local.home> In-Reply-To: References: <20220224230035.36547137@gandalf.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 25 Feb 2022 14:07:00 +0900 Sergey Senozhatsky wrote: > > Steven, did you notice this recently? > > May I perhaps suggest git bisect? (sorry) > > On the off chance - do you have this revert in your kernel? > > commit 6a7b9f002eca6788d346c16a6ff0c218b41f8d1d > Author: Greg Kroah-Hartman > Date: Wed Jan 26 14:33:58 2022 +0100 > > Revert "tty: serial: Use fifo in 8250 console driver" > > This reverts commit 5021d709b31b8a14317998a33cbc78be0de9ab30. > > The patch is still a bit buggy, and this breaks some other hardware > types. It needs to be resubmitted in a non-buggy way, and make sure the > other hardware types also continue to work properly. My tree does not have this. I just applied it and I'm building now. I'll let you know if this fixes the issue or not. Thanks, -- Steve