From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751365AbaCWUIp (ORCPT ); Sun, 23 Mar 2014 16:08:45 -0400 Received: from mail001.aei.ca ([206.123.6.130]:51600 "EHLO mail001.aei.ca" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750849AbaCWUIo (ORCPT ); Sun, 23 Mar 2014 16:08:44 -0400 From: Ed Tomlinson To: Alex Deucher Cc: LKML , Maling list - DRI developers , Dave Airlie Subject: Re: [BUG] 3.14-rc6 problems with an R7 260X Date: Sun, 23 Mar 2014 16:08:37 -0400 Message-ID: <1707205.THdbAVLWUB@grover> Organization: me User-Agent: KMail/4.12.3 (Linux/3.14.0-1-mainline; KDE/4.12.3; x86_64; ; ) In-Reply-To: <33204379.FfpmvHoDUX@grover> References: <1825482.79WA6myBva@grover> <33204379.FfpmvHoDUX@grover> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday 10 March 2014 13:29:41 Ed Tomlinson wrote: > On Monday 10 March 2014 12:38:42 Alex Deucher wrote: > > On Mon, Mar 10, 2014 at 11:47 AM, Ed Tomlinson wrote: > > > Hi, > > > > > > I recently added a R7 260X to my system. While the card works with 3.13 its supposed work much better with 14-rc. > > > This is not the case. My system is unstable without radeon.dpm=0 which was the default in .13. Here are some extracts > > > from the logs of the latest fun with dpm enabled: > > omitted > > > > The above type of errors repeat hundreds of times and eventually the display freezes (this box does not have a serial console and it did not check with ssh) > > > > > > When X started I did notice some corruption. There are sets of two rectangles about of a height of 2 or 3 mm, width of 25m or so with a second > > > about a cm below. The often occurs in chomium especially when scrolling. Runing the unigine-sanctuary or unigine-tropics demo/benchmark > > > programs also produce the above problems and eventually stall. > > > > > > The problem is reproducible - I am not that familiar with gpu problems though, what else will help debug this? > > > > > > > Please file a bug at https://bugs.freedesktop.org (Product: DRI, > > Component: DRM/Radeon) and attach your dmesg output and xorg log. > > Filed as bug 75992 > > Let me know if you want me to test anything or if more info is needed. This still occurrs with rc7. With dpm enabled X is not usable. It stalls, sometimes with nasty screen corruption, after a few minute. With dpm disabled its much better (not perfect though). Ed Tomlinson