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Issue Report: TF2 + fglrx: bad performance using dual monitor setup

Question asked by nicazoid on Dec 15, 2012
Latest reply on Mar 28, 2013 by aka_butters

Crossposting this by request from here.


I use the latest AMD proprietary drivers 12.11 beta 11. Team Fortress 2 runs fine and fluently when I disable my second monitor in the catalyst control center. However, if I enable my second monitor (TF2 runs on first screen) performance is very bad. The fps rate is very high, though. It is about 75fps, but the game feels like 30fps.


System information:

Processor Information:
    Vendor:  AuthenticAMD
    Speed: 3200 Mhz
    6 logical processors
    6 physical processors
    HyperThreading:  Unsupported
    FCMOV:  Supported
    SSE2:  Supported
    SSE3:  Supported
    SSSE3:  Supported
    SSE4a:  Supported
    SSE41:  Unsupported
    SSE42:  Unsupported
Network Information:
    Network Speed:  
Operating System Version:
    "Fedora release 17 (Beefy Miracle)" (64 bit)
    Kernel Name:  Linux
    Kernel Version:  3.6.9-2.fc17.x86_64
    X Server vendor:  Fedora Project
    X Server release:  11204000
Video Card:
    Driver:  ATI Technologies Inc. ATI Radeon HD 5700 Series 

    Driver Version:  4.2.11995 Compatibility Profile Context
    Desktop Color Depth: 24 bits per pixel
    Monitor Refresh Rate: 59 Hz
    VendorID:  0x1002
    DeviceID:  0x68be
    Number of Monitors:  1
    Number of Logical Video Cards:  1
    Primary Display Resolution:  1920 x 1080
    Desktop Resolution: 1920 x 1080
    Primary Display Size: 20,08" x 11,42"  (23,07" diag)
                                            51,0cm x 29,0cm  (58,6cm diag)
    Primary VRAM Not Detected
Sound card:
    Audio device: ATI R6xx HDMI
    RAM:  7985 Mb
    UI Language:  English
    LANG:  de_DE.utf8
    Microphone:  Not set
    Total Hard Disk Space Available:  933868 Mb
    Largest Free Hard Disk Block:  529206 Mb
Installed software:
Recent Failure Reports: