Date: Tue, 8 Mar 2011 19:32:04 +0100 From: Roland Smith <rsmith@xs4all.nl> To: "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de> Cc: freebsd-questions@freebsd.org Subject: Re: xorg-driver/xf86-video-ati-6.14.0: Worse performance since last update Message-ID: <20110308183204.GB25750@slackbox.erewhon.net> In-Reply-To: <4D767265.80406@mail.zedat.fu-berlin.de> References: <4D767265.80406@mail.zedat.fu-berlin.de>
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On Tue, Mar 08, 2011 at 07:16:05PM +0100, O. Hartmann wrote:
> Since the last update of Xorg stuff, including the
> xf86-video-ati-6.14.0, the video performance of all of our
> AMD/ATi-driven boxes went worse.
> The bad performance also occur with the recommendations made in
> ports/UPDATING for driver "radeon". Without those recommendated adding
> of options even with a working xorg.conf file the performance stays worse.
The recommendations have been removed from UPDATING; with the exception of the
"DynamicPM" option, all the others are at their default settings and therefore
not necessary.
> Worse means: using vlc (also after recompilation after upgrades made!),
> videos are massively bumpy and can not be watched with vlc-screen fully
> expanded to 1900x1200 pixel with HD4830 graphics card - this worked
> perfectly before.
Check out the logfile '/var/log/Xorg.0.log' if you see anything unusual.
> Moving windows around now looks like having chunks of video content
> floating around - as on unaccelerated/slow graphics boards.
When looking at the logfile '/var/log/Xorg.0.log', does it say the following;
(II) RADEON(0): Acceleration enabled
(II) RADEON(0): Set up textured video
Personally, I have built this port with one of the patches removed. In my case
the patch in question hung my machine every time! (there was quite a large
thread about it on the mailing-list) Try removing the patch
/usr/ports/x11-drivers/xf86-video-ati/files/patch-src-radeon_driver.c and
re-install the driver. If that works you can make the change permanent like
this:
# cd /usr/ports/x11-drivers/xf86-video-ati/files
# truncate -s 0 patch-src-radeon_driver.c
# chflags schg,sunlnk patch-src-radeon_driver.c
Roland
--
R.F.Smith http://www.xs4all.nl/~rsmith/
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