Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758637Ab1DYOxt (ORCPT ); Mon, 25 Apr 2011 10:53:49 -0400 Received: from mail-ww0-f44.google.com ([74.125.82.44]:47964 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758284Ab1DYOxs convert rfc822-to-8bit (ORCPT ); Mon, 25 Apr 2011 10:53:48 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=Cbmz/oq85UMPYSE/InZv2s5/8BZb0pKWOyCgvKTo4t7bPcVwoy8QZdqZRdreBSSE8o G+cJ+zywq4YqIL/+p+HdZufwfkMvmOTbGXErQPjilgUaZw+gjaRls9RStct7EK0gC5BH DZYtnrSs9cIZTujVqVvRmW7l12m3567dcYvWs= MIME-Version: 1.0 In-Reply-To: <4DB3EC35.7000601@fastmail.fm> References: <4D7CCFC3.7030906@fastmail.fm> <4D7FD2FB.9090505@fastmail.fm> <4D8118EB.2070209@fastmail.fm> <4D831E18.9020904@fastmail.fm> <4DB3EC35.7000601@fastmail.fm> Date: Mon, 25 Apr 2011 10:53:46 -0400 Message-ID: Subject: Re: Radeon jittery post 2.6.35 From: Jerome Glisse To: Anders Eriksson Cc: Alex Deucher , airlied@redhat.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, xorg-driver-ati@lists.x.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2208 Lines: 59 On Sun, Apr 24, 2011 at 5:24 AM, Anders Eriksson wrote: > ?On 03/18/11 09:55, Anders Eriksson wrote: >> ?On 03/16/11 21:09, Anders Eriksson wrote: >> > ?On 03/15/11 22:46, Alex Deucher wrote: >> > > ?Try booting with radeon.audio=0 on 2.6.38rc, some TVs have problems >> > > with the hdmi packets we send by default. ?disabling audio will treat >> > > the hdmi like dvi. >> > > >> > > Alex >> > You seem to be on to something there. radeon.audio=0 removes >> > what appears to be all of the jitter. I say "appear", because during >> > my many test runs today, I've come across moments where my brain >> > goes "wasn't what I just noticed on the TV something abnormal?" Both >> > in fb mode (post KMS), and in X11. It's definetly improved from useless >> > for family use, to perfectly ok though. >> > >> I was too early on this one. Yesterday (.38) , and today (38-rc8), >> are both jittery in post-KMS fb mode and in X, even though I use >> radeon.audio=0. >> >> A power cycling of the TV stabilizes it though. >> >> I'd be more than happy to test out any patches or ideas you might have. >> >> -A > > It turns out all the failure patterns I've thought I've seen so far up > through .38.x are moot. > > However, now on .39-rc, the KMS'd console is stable, and starting X > makes it bad again. > > It there anything useful I can pull from any logs on the startup of X? > Either from the X > server, or the kernel. Last time I looked at the drm log from the kernel > It was unreadable > to a mere mortal, but I hope you guys can point me to what debug knobs > to enable to get a good > view of the interesting parts (How does one start a minimal X, btw? > "xinit" gives me an > undecorated xterm with the jitter. Can one start something more minimal?) > > Currently running today's git xorg-server and xf86-video-dri. > > -Anders > > Best is to open a bug and attach xorg log & kernel dmesg. https://bugs.freedesktop.org/ Cheers, Jerome -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/