From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753947AbaIPMn3 (ORCPT ); Tue, 16 Sep 2014 08:43:29 -0400 Received: from filter1.ibarracuda.nl ([83.247.7.10]:48068 "EHLO filter1.ibarracuda.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753365AbaIPMn1 (ORCPT ); Tue, 16 Sep 2014 08:43:27 -0400 X-ASG-Debug-ID: 1410871300-0759e71e82012b0003-xx1T2L X-Barracuda-Envelope-From: Frans.Klaver@xsens.com X-Barracuda-AUTH-User: xsenscom X-Barracuda-Apparent-Source-IP: 87.249.116.215 Date: Tue, 16 Sep 2014 14:42:01 +0200 From: Frans Klaver To: Sebastian Andrzej Siewior CC: Heikki Krogerus , Peter Hurley , , , , , , , , Alan Cox Subject: Re: [PATCH 09/16] tty: serial: 8250_dma: Add a TX trigger workaround for AM33xx Message-ID: <20140916124200.GK28458@ci00147.xsens-tech.local> X-ASG-Orig-Subj: Re: [PATCH 09/16] tty: serial: 8250_dma: Add a TX trigger workaround for AM33xx References: <54119AAA.9080907@linutronix.de> <20140911151114.GD28458@ci00147.xsens-tech.local> <5411C810.7070906@linutronix.de> <2cf997d9-e7de-465b-915d-3a0a5e7b95f7@email.android.com> <54129F6C.7040508@linutronix.de> <20140912094010.GE28458@ci00147.xsens-tech.local> <5412C21A.8020203@linutronix.de> <20140912102816.GF28458@ci00147.xsens-tech.local> <541716DC.9020904@linutronix.de> <20140916090540.GJ28458@ci00147.xsens-tech.local> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Disposition: inline In-Reply-To: <20140916090540.GJ28458@ci00147.xsens-tech.local> User-Agent: Mutt/1.5.23 (2014-03-12) X-Originating-IP: [172.16.11.160] X-Barracuda-Connect: rev-215.116.249.87.virtu.nl[87.249.116.215] X-Barracuda-Start-Time: 1410871332 X-Barracuda-Encrypted: AES128-SHA X-Barracuda-URL: http://filter1.ibarracuda.nl:8000/cgi-mod/mark.cgi X-Barracuda-BRTS-Status: 1 X-Barracuda-Spam-Score: 0.00 X-Barracuda-Spam-Status: No, SCORE=0.00 using per-user scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=5.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.9546 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 16, 2014 at 11:05:40AM +0200, Frans Klaver wrote: > On Mon, Sep 15, 2014 at 06:42:04PM +0200, Sebastian Andrzej Siewior wrote: > > On 09/12/2014 12:28 PM, Frans Klaver wrote: > > > port config is 115200 8N1. I don't recall doing anything special. I > > > boot, login, less file and get a lock. > > > > So I booted my mini Debian 7.6 (basic system + openssh) on my beagle > > bone black which is: > > > > [ 0.000000] AM335X ES2.0 (neon ) > > > > configured a console, login, invoked "less file". The file was shown, I > > hit on the space key so less shows me more of the file. No lock-up. > > I tried booting via NFS and MMC. I tried various files with less. > > > > My dot config is here > > https://breakpoint.cc/config-am335x-bb.txt.xz > > > > If there is nothing specific to the file you do less on I have no idea > > what else it could if it is not the config. > > I'll test your config and go through the differences. So far it looks like it isn't in the config. I've tested both your and my config on debian wheezy on a boneblack. No lock ups. Less doesn't fill my entire screen, so it looks a bit funky when scrolling, but I'm not sure if that's related to the driver. I'll have to look further for things we did that may have impact here. > Thanks, > Frans > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel