[SOLVED] Xorg hogging CPU in Fedora 16
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  1. #1
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    Xorg hogging CPU in Fedora 16

    Installed F16 through preupgrade yesterday. Immediately noticed that CPU is racing (~50-75%) whenever I am using GUIs (Firefox, Thunderbird, Libreoffice ... you name it), making things quite slow. I have attached my xorg.conf, along with the usual stuff.

    What is your experience in this regard? If it is a common issue I will file a bug- may be it is already filed (I did not find time to check the bugzilla.)

    Code:
    uname -a
    Linux xxx 3.1.0-7.fc16.x86_64 #1 SMP Tue Nov 1 21:10:48 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
    
    lspci
    00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)
    00:01.0 PCI bridge: Intel Corporation Mobile 4 Series Chipset PCI Express Graphics Port (rev 07)
    00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03)
    00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03)
    00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03)
    00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03)
    00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
    00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03)
    00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03)
    00:1c.2 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 3 (rev 03)
    00:1c.3 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4 (rev 03)
    00:1c.4 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 5 (rev 03)
    00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03)
    00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03)
    00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03)
    00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03)
    00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
    00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 03)
    00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03)
    00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03)
    01:00.0 VGA compatible controller: nVidia Corporation G98 [GeForce 9300M GS] (rev a1)
    02:00.0 Network controller: Intel Corporation WiFi Link 5100
    06:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)
    07:00.0 System peripheral: JMicron Technology Corp. SD/MMC Host Controller
    07:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller
    07:00.3 System peripheral: JMicron Technology Corp. MS Host Controller
    
    ***Contents of xorg.conf***
    # nvidia-settings: X configuration file generated by nvidia-settings
    # nvidia-settings:  version 280.11  (mockbuild@hephaestus.wilsonet.com)  Sun Jul 31 18:18:43 EDT 2011
    
    # nvidia-xconfig: X configuration file generated by nvidia-xconfig
    # nvidia-xconfig:  version 260.19.06  (mockbuild@)  Sun Oct 10 17:26:50 EDT 2010
    # RPM Fusion - nvidia-xorg.conf
    # 
    
    Section "ServerLayout"
        Identifier     "Default Layout"
        Screen      0  "Screen0" 0 0
        InputDevice    "Keyboard0" "CoreKeyboard"
        InputDevice    "Mouse0" "CorePointer"
        Option         "Xinerama" "0"
    EndSection
    
    Section "InputDevice"
    
        # generated from data in "/etc/sysconfig/keyboard"
        Identifier     "Keyboard0"
        Driver         "keyboard"
        Option         "XkbLayout" "us"
        Option         "XkbModel" "pc105"
    EndSection
    
    Section "InputDevice"
    
        # generated from default
        Identifier     "Mouse0"
        Driver         "mouse"
        Option         "Protocol" "auto"
        Option         "Device" "/dev/input/mice"
        Option         "Emulate3Buttons" "no"
        Option         "ZAxisMapping" "4 5"
    EndSection
    
    Section "Monitor"
        Identifier     "Monitor0"
        VendorName     "Unknown"
        ModelName      "Chi Mei Optoelectronics corp."
        HorizSync       30.0 - 75.0
        VertRefresh     60.0
        Option         "DPMS"
    EndSection
    
    Section "Device"
        Identifier     "Videocard0"
        Driver         "nvidia"
    EndSection
    
    Section "Device"
        Identifier     "Device0"
        Driver         "nvidia"
        VendorName     "NVIDIA Corporation"
        BoardName      "GeForce 9300M GS"
    EndSection
    
    Section "Screen"
        Identifier     "Default Screen"
        Device         "Videocard0"
        Monitor        "Monitor0"
        SubSection     "Display"
            Modes      "1680x1050"
        EndSubSection
    EndSection
    
    Section "Screen"
        Identifier     "Screen0"
        Device         "Device0"
        Monitor        "Monitor0"
        DefaultDepth    24
        Option         "TwinView" "0"
        Option         "metamodes" "DFP: 1680x1050 +0+0"
        SubSection     "Display"
            Depth       24
        EndSubSection
    EndSection

  2. #2
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    Re: Xorg hogging CPU in Fedora 16


  3. #3
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    Re: Xorg hogging CPU in Fedora 16

    I only have this constant massive CPU load (100% on at least one core) when using the gnome system monitor. Other times I have spikes of 30-40%. and the system is generally sluggish at best.

    I switched desktop to Xfce and the gnome system monitor is still the massive CPU load while running.

    I'm just not happy with F16 and after nouveau issues causing me to reload from scratch, I'm considering another distro or F14.

    I'm just sick of fighting Fedora over nouveau gnome 3, broadcom wifi, and Nvidia drivers.

    The nouveau driver causes my system to get an ugly white screen with black/grey areas.

    fix for nouveau:
    edit the grub kernel line at during boot...
    nouveau.modeset=0 rdblacklist=nouveau
    then press F10 to continue booting and add to grub.cfg when able.

    for wifi and nvidia
    use ethernet cable (required) to add rpmfusion repos and add:
    kmod-wl and kmod-nvidia

    Todd R.

  4. #4
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    Re: Xorg hogging CPU in Fedora 16

    Thanks. Looks like nvidia-driver issue. the usual suspect, will keep my finger crossed and wait.



    ---------- Post added at 11:12 AM ---------- Previous post was at 11:08 AM ----------

    @ Todd. I can understand your frustrations ;-). But fedora rocks.

  5. #5
    leigh123linux Guest

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    Re: Xorg hogging CPU in Fedora 16

    @ Leigh, good to hear from you after a long time. Your solution worked. Xorg is back to 0.5-1.0% CPU usage. Thanks.

    For others, Leigh's solution which worked for me:
    Code:
    su
    yum update *\nvidia\* --enablerepo=rpmfusion-*-rawhide
    reboot
    Liked the way it showed " Beta Driver" in the splash screen ;-).

  7. #7
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    Re: Xorg hogging CPU in Fedora 16

    for me updating to the rawhide versions gave me a lot of segfaults. from launching google chrome to navigating kde system settings. so for now i reverted to nouveau.

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