From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 66963] Rv6xx dpm problems Date: Wed, 29 Jan 2014 18:46:37 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============2140722434==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 6E5DA106D9C for ; Wed, 29 Jan 2014 10:46:37 -0800 (PST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces@lists.freedesktop.org Errors-To: dri-devel-bounces@lists.freedesktop.org To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============2140722434== Content-Type: multipart/alternative; boundary="1391021197.AE25dd1b6.12335"; charset="us-ascii" --1391021197.AE25dd1b6.12335 Date: Wed, 29 Jan 2014 18:46:37 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=66963 --- Comment #192 from Paul Bodenbenner --- (In reply to comment #190) > (In reply to comment #189) > > (In reply to comment #188) > > > (In reply to comment #183) > > > > You might also try my 3.14 branch: > > > > http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14 > > > > > > Not sure if there are any important changes in this branch, but so far it > > > looks more stable for me. I haven't seen hangs while video was played, > > > though the week before i got them almost daily. And have seen hand during > > > start up only once for last week. > > > > > > I might be just very lucky this week. > > > > Still don't see hangs, but noticed but FPS is very low on this branch. Half > > Life is like a slideshow, though works fine with vanilla kernel. > > Are you sure you have acceleration enabled, the behaviour you describe > matches what I found when started testing that branch (grep dmesg for > "*ERROR* radeon: ring 3 test failed (0xCAFEDEAD)"). > > If you have that problem you could test the patch I sent in comment 175 ( > attachment 91835 [details] [review]), It will skip initialization of the DMA > ring and enable acceleration again. I've been using it for several weeks, no > hangs yet, works like a charm. Thanks for your patch! I adapted it to the current git state and I will attach it here (hope I made no mistake ;-)). So with that patch the drm-next-3.14 branch works very well: Booted up about 25 times with only 3 hangs. Suspend worked every time. :-) @Alex Deucher: Very good job! Whats wrong with ring stuff. Do we need a new version of xf86-video-ati?! Also can I do anything against the seldom hangs? Best Regards, Paul -- You are receiving this mail because: You are the assignee for the bug. --1391021197.AE25dd1b6.12335 Date: Wed, 29 Jan 2014 18:46:37 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 192 on bug 66963 from 
(In reply to comment #190)
> (In reply to comment #189)
> > (In reply to comment #188)
> > > (In reply to comment #183)
> > > > You might also try my 3.14 branch:
> > > > http://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-next-3.14
> > > 
> > > Not sure if there are any important changes in this branch, but so far it
> > > looks more stable for me. I haven't seen hangs while video was played,
> > > though the week before i got them almost daily. And have seen hand during
> > > start up only once for last week.
> > > 
> > > I might be just very lucky this week.
> > 
> > Still don't see hangs, but noticed but FPS is very low on this branch. Half
> > Life is like a slideshow, though works fine with vanilla kernel.
> 
> Are you sure you have acceleration enabled, the behaviour you describe
> matches what I found when started testing that branch (grep dmesg for
> "*ERROR* radeon: ring 3 test failed (0xCAFEDEAD)").
> 
> If you have that problem you could test the patch I sent in comment 175 (
> attachment 91835 [details] [review] [review]), It will skip initialization of the DMA
> ring and enable acceleration again. I've been using it for several weeks, no
> hangs yet, works like a charm.

Thanks for your patch! I adapted it to the current git state and I will attach
it here (hope I made no mistake ;-)).
So with that patch the drm-next-3.14 branch works very well:
Booted up about 25 times with only 3 hangs. Suspend worked every time. :-)

@Alex Deucher:
Very good job! Whats wrong with ring stuff. Do we need a new version of
xf86-video-ati?! Also can I do anything against the seldom hangs?

Best Regards,
Paul

You are receiving this mail because:
  • You are the assignee for the bug.
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