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Old 07-14-2009, 11:58 AM   #1
fancylad
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Registered: Mar 2008
Distribution: slackware
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video lags at 1920x1080 resolution with Radeon RV100


I have been using a Radeon RV100 card for quite sometime now with various distros with out any problems. I found that 3D rendering did not work very well so I don't use that. However I have never had any issues with watching video. Over the weekend I purchased a 32" lcd monitor that supports 1920x1080 resolution. The problem I am having is that while watching a video it will lag every half a minute or so. I never had this problem before with my old monitor at 1024x768 resolution.

I am using the radeon driver. Currently I don't use any xorg.conf file. Xorg generates one on the fly and it's settings look good. Here's what Xorg is using (from /var/log/Xorg.0.log):

Quote:
(--) PCI:*(1:0:0) ATI Technologies Inc Radeon RV100 QY [Radeon 7000/VE] rev 0, Mem @ 0xf0000000/27, 0xee000000/16, I/O @ 0xd800/8, BIOS @ 0xeffe0000/17
(II) Matched radeon from file name radeon.ids in autoconfig
(==) Matched radeon for the autoconfigured driver
New driver is "radeon"
(==) Using default built-in configuration (54 lines)
(==) --- Start of built-in configuration ---
Section "Module"
Load "extmod"
Load "dbe"
Load "glx"
Load "freetype"
Load "record"
Load "dri"
EndSection
Section "Monitor"
Identifier "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default radeon Device 0"
Driver "radeon"
EndSection
Section "Screen"
Identifier "Builtin Default radeon Screen 0"
Device "Builtin Default radeon Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default fbdev Device 0"
Driver "fbdev"
EndSection
Section "Screen"
Identifier "Builtin Default fbdev Screen 0"
Device "Builtin Default fbdev Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default vesa Device 0"
Driver "vesa"
EndSection
Section "Screen"
Identifier "Builtin Default vesa Screen 0"
Device "Builtin Default vesa Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "Device"
Identifier "Builtin Default vga Device 0"
Driver "vga"
EndSection
Section "Screen"
Identifier "Builtin Default vga Screen 0"
Device "Builtin Default vga Device 0"
Monitor "Builtin Default Monitor"
EndSection
Section "ServerLayout"
Identifier "Builtin Default Layout"
Screen "Builtin Default radeon Screen 0"
Screen "Builtin Default fbdev Screen 0"
Screen "Builtin Default vesa Screen 0"
Screen "Builtin Default vga Screen 0"
EndSection
(==) --- End of built-in configuration ---
Here's the output from xrandr -q:

Quote:
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 1920 x 1200
VGA-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 700mm x 390mm
1920x1080 60.0*+
1680x1050 60.0
1600x1024 60.0
1400x1050 60.0
1280x1024 60.0
1440x900 60.2
1280x960 60.0
1280x800 60.0
1152x864 75.0
1280x768 60.0
1152x768 54.8
1024x768 75.1 75.0 70.1 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 75.0 72.8 72.8 75.0 60.0 59.9
720x400 70.1
DVI-0 disconnected (normal left inverted right x axis y axis)
S-video disconnected (normal left inverted right x axis y axis)
Here's output from Xorg -version:

Quote:
X.Org X Server 1.4.2
Release Date: 11 June 2008
X Protocol Version 11, Revision 0
Build Operating System: Linux Debian (xorg-server 2:1.4.2-10.lenny1)
Current Operating System: Linux lenny 2.6.26-2-686 #1 SMP Mon May 11 19:00:59 UTC 2009 i686
Build Date: 15 March 2009 03:18:10PM

Before reporting problems, check http://wiki.x.org
to make sure that you have the latest version.
Module Loader present
I'm wondering if I can solve this problem by tweaking xorg or perhaps using a different driver, or maybe I am just pushing the limits of my video card.

Thanks
 
Old 07-14-2009, 05:29 PM   #2
corbintechboy
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Registered: Sep 2003
Location: Kentucky
Posts: 480
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I would say you are pushing the limits of your video hardware. 1024x768 to 1920x1080 is a huge jump.
 
  


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