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Old 11-25-2011, 07:15 AM   #1
Skyer
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Registered: Aug 2011
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Catalyst AMD driver not working properly


Hello,
I am trying to get AMD's proprietary driver for Linux working. I didn't experience any problems during installation, but the overall performance is worse than with open-source driver.

For example, when I try to move some application's window, it "freezes and jumps" just like it used to do on Windows systems, when there was no driver installed.

Driver was installed using standard approach, taken directly from Arch's wiki.

Information about system:

GPU: AMD Radeon HD 6770
Distribution: Arch linux x86_64
Kernel version: 3.1.2-1-ARCH
Xorg server version: 1.11.2-2
*Desktop environment: KDE 4.7
Catalyst version: 11.11
Catalyst control center version: 2.13

Catalyst control center finds my screen resolution to be 4000x4000, while in reality it's 1680x1050. The only other option for resolution is 2560x1280, so I can choose my standard resolution. (Plus it won't let me save the changes).

Xorg.conf:

Code:
Section "ServerLayout"
        Identifier     "aticonfig Layout"
        Screen      0  "aticonfig-Screen[0]-0" 0 0
EndSection

Section "Module"
EndSection

Section "Monitor"
        Identifier   "aticonfig-Monitor[0]-0"
        Option      "VendorName" "ATI Proprietary Driver"
        Option      "ModelName" "Generic Autodetecting Monitor"
        Option      "DPMS" "true"
EndSection

Section "Device"
        Identifier  "aticonfig-Device[0]-0"
        Driver      "fglrx"
        BusID       "PCI:1:0:0"
EndSection

Section "Screen"
        Identifier "aticonfig-Screen[0]-0"
        Device     "aticonfig-Device[0]-0"
        Monitor    "aticonfig-Monitor[0]-0"
        DefaultDepth     24
        SubSection "Display"
                Viewport   0 0
                Depth     24
        EndSubSection
EndSection
Hope I didn't miss any important info.

Thank you for your help,

Skyer

Last edited by Skyer; 11-25-2011 at 07:37 AM.
 
Old 11-25-2011, 08:30 AM   #2
ukiuki
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Registered: May 2010
Location: Planet Earth
Distribution: Debian
Posts: 1,028

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Maybe this links give you some clue about changing the resolution:
http://www.linuxquestions.org/questi...onitor-912898/
http://forums.debian.net/viewtopic.php?f=16&t=64853
http://forums.debian.net/viewtopic.php?f=16&t=26577

Regards
 
Old 11-25-2011, 09:00 AM   #3
Skyer
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Registered: Aug 2011
Posts: 113

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Thank you for your post.

The "real" resolution is correct in fact, only the Catalyst control center gets it wrong (KDE screen settings are correct).

I did set the resolution in xorg configuration file by hand just for sure, no changes.

edit: I noticed that resizing windows or some other standard desktop manipulations (like adding/manipulating widgets) are absolutely seamless.

Skyer

Last edited by Skyer; 11-25-2011 at 11:56 AM.
 
Old 11-26-2011, 07:16 AM   #4
adamk75
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Did you check your /var/log/Xorg.0.log file to confirm that the fglrx drivers are loaded properly?

Adam
 
Old 11-26-2011, 08:06 AM   #5
Skyer
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Yes, didn't spot any particular errors. (I've already changed back to open source driver, but I'll take a look once again, just for the sake of being sure).

As I mentioned, there are things that go fast - like when using the menu, or adding/moving widgets.


Skyer
 
Old 12-02-2011, 01:18 PM   #6
Skyer
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Well, just to bump, I've made no progress so far. Still moving windows is lagging under Catalyst.


Skyer
 
Old 12-02-2011, 02:45 PM   #7
adamk75
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Confirm that acceleration is working with 'glxinfo'.

Adam
 
Old 12-03-2011, 05:20 AM   #8
Skyer
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Posts: 113

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Alright,
problem solved. I'm not sure what was the problem exactly, but it seems like after purging everything and installing clean versions everything works.

Thank you for your help.

Skyer
 
  


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