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Thread: Heavy screen distortion with Intel graphics

  1. #1

    Default Heavy screen distortion with Intel graphics

    Hello,

    I have just upgraded to 42.3 and I have issues with the areas being repainted on my screen:


    I have an Intel GMA 4500 graphic card and use the default drivers.

    How can I fix this? What is wrong compared to 42.2?

    Cheers,
    Quentin

  2. #2
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    Default Re: Heavy screen distortion with Intel graphics

    For a definitive description of your graphics hardware, please run the following and report back
    Code:
    /usr/sbin/hwinfo --gfxcard

  3. #3
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    Default Re: Heavy screen distortion with Intel graphics

    Have you tried the following? It's been reported as a viable workaround for some users.

    Create a custom Xorg configuration file eg /etc/X11/xorg.conf.d/20-intel.conf

    with the following
    Code:
    Section "Device"
       Identifier "Intel Graphics"
       Driver "intel"
       Option "AccelMethod" "uxa"
    EndSection
    Be careful with syntax. Once done, restart the X-server.

    Reference:
    https://fedoramagazine.org/solution-...ets-fedora-22/
    https://bugs.launchpad.net/ubuntu/+s...l/+bug/1507255

  4. #4

    Default Re: Heavy screen distortion with Intel graphics

    Here the output:

    linux-qgt9:/home/quentin # hwinfo --gfxcard
    08: PCI 02.0: 0300 VGA compatible controller (VGA)
    [Created at pci.378]
    Unique ID: _Znp.j5duo6BuBmF
    SysFS ID: /devices/pci0000:00/0000:00:02.0
    SysFS BusID: 0000:00:02.0
    Hardware Class: graphics card
    Model: "Intel Mobile 4 Series Chipset Integrated Graphics Controller"
    Vendor: pci 0x8086 "Intel Corporation"
    Device: pci 0x2a42 "Mobile 4 Series Chipset Integrated Graphics Controller"
    SubVendor: pci 0x17aa "Lenovo"
    SubDevice: pci 0x20e4
    Revision: 0x07
    Driver: "i915"
    Driver Modules: "i915"
    Memory Range: 0xfd400000-0xfd7fffff (rw,non-prefetchable)
    Memory Range: 0xd0000000-0xdfffffff (ro,non-prefetchable)
    I/O Ports: 0x5c00-0x5c07 (rw)
    IRQ: 28 (120502 events)
    I/O Ports: 0x3c0-0x3df (rw)
    Module Alias: "pci:v00008086d00002A42sv000017AAsd000020E4bc03sc00i00"
    Driver Info #0:
    Driver Status: i915 is active
    Driver Activation Cmd: "modprobe i915"
    Config Status: cfg=new, avail=yes, need=no, active=unknown

    09: PCI 02.1: 0380 Display controller
    [Created at pci.378]
    Unique ID: ruGf.EY_WiyTYTN5
    SysFS ID: /devices/pci0000:00/0000:00:02.1
    SysFS BusID: 0000:00:02.1
    Hardware Class: graphics card
    Model: "Intel Mobile 4 Series Chipset Integrated Graphics Controller"
    Vendor: pci 0x8086 "Intel Corporation"
    Device: pci 0x2a43 "Mobile 4 Series Chipset Integrated Graphics Controller"
    SubVendor: pci 0x17aa "Lenovo"
    SubDevice: pci 0x20e4
    Revision: 0x07
    Memory Range: 0xfd300000-0xfd3fffff (rw,non-prefetchable)
    Module Alias: "pci:v00008086d00002A43sv000017AAsd000020E4bc03sc80i00"
    Config Status: cfg=new, avail=yes, need=no, active=unknown

    Primary display adapter: #8

    Thanks for the hint, deano_ferrari. Strangely, my graphics seem to behave normally today...

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