Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756472AbcCUXIZ (ORCPT ); Mon, 21 Mar 2016 19:08:25 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:56836 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750994AbcCUXIX (ORCPT ); Mon, 21 Mar 2016 19:08:23 -0400 Date: Mon, 21 Mar 2016 19:08:21 -0400 From: Greg KH To: Matthias Schiffer Cc: Ralf Baechle , jslaby@suse.com, linux-mips@linux-mips.org, linux-serial@vger.kernel.org, "linux-kernel@vger.kernel.org" Subject: Re: Nonterministic hang during bootconsole/console handover on ath79 Message-ID: <20160321230821.GA17910@kroah.com> References: <56F07DA1.8080404@universe-factory.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <56F07DA1.8080404@universe-factory.net> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 545 Lines: 14 On Tue, Mar 22, 2016 at 12:02:57AM +0100, Matthias Schiffer wrote: > Hi, > we're experiencing weird nondeterministic hangs during bootconsole/console > handover on some ath79 systems on OpenWrt. I've seen this issue myself on > kernel 3.18.23~3.18.27 on a AR7241-based system, but according to other > reports ([1], [2]) kernel 4.1.x is affected as well, and other SoCs like > QCA953x likewise. Can you try 4.4 or ideally, 4.5? There's been a lot of console/tty fixes/changes since the obsolete 3.18 kernel you are using... thanks, greg k-h