From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757046AbaIKQEl (ORCPT ); Thu, 11 Sep 2014 12:04:41 -0400 Received: from www.linutronix.de ([62.245.132.108]:41700 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756992AbaIKQEi (ORCPT ); Thu, 11 Sep 2014 12:04:38 -0400 Message-ID: <5411C810.7070906@linutronix.de> Date: Thu, 11 Sep 2014 18:04:32 +0200 From: Sebastian Andrzej Siewior User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Icedove/31.0 MIME-Version: 1.0 To: Frans Klaver CC: Peter Hurley , Heikki Krogerus , tony@atomide.com, gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, balbi@ti.com, linux-serial@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Alan Cox Subject: Re: [PATCH 09/16] tty: serial: 8250_dma: Add a TX trigger workaround for AM33xx References: <1410377411-26656-1-git-send-email-bigeasy@linutronix.de> <1410377411-26656-10-git-send-email-bigeasy@linutronix.de> <20140911111721.GB17476@xps8300> <54118AAB.2010205@linutronix.de> <5411967A.6090406@hurleysoftware.com> <54119AAA.9080907@linutronix.de> <20140911151114.GD28458@ci00147.xsens-tech.local> In-Reply-To: <20140911151114.GD28458@ci00147.xsens-tech.local> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/11/2014 05:11 PM, Frans Klaver wrote: > I can still reproduce it on am335x. I can get out of it as soon as > something else gets written to the console though. > > # echo "<3>something" >/dev/kmsg Is this to stall it or to get out of it? > > Frans Sebastian