4 Replies Latest reply on Apr 27, 2016 5:31 PM by Intel Corporation

    (Intel i915 Arch linux and Ubuntu 16.04): Blender game engine Sun Shadow bug

    alabd14313

      In Blender game engine, switch sun/Spot shadow causes all the scene gets dark. I isn't software bug. becaue other versions of blender is dark, too.

      I have this problem since about one weeks ago.

      Dark_shadow.png

      Kernel log about video:

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      4/26/16 7:13 PM    pci 0000    0:02.0: Video device with shadowed ROM

      4/26/16 7:13 PM    ACPI    Video Device [VID1] (multi-head: yes rom: no post: no)

      4/26/16 7:13 PM    input    Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/LNXVIDEO:01/input/input7

      4/26/16 7:13 PM    [Firmware Bug]    Duplicate ACPI video bus devices for the same VGA controller, please try module parameter "video.allow_duplicates=1"if the current driver doesn't work.

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      Xorg log:

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      Information    [27.835]     X.Org Video Driver: 20.0
          Information    [28.340]     Module class: X.Org Video Driver
          Information    [28.340]     ABI class: X.Org Video Driver, version 20.0
          Information    [28.354]     Module class: X.Org Video Driver
          Information    [28.354]     ABI class: X.Org Video Driver, version 20.0
          Information    [28.493] (--) intel(0): Found backlight control interface acpi_video0 (type 'firmware') for output LVDS1
          Information    [29.360] (II) config/udev: Adding input device Video Bus (/dev/input/event6)
          Information    [29.360] (**) Video Bus: Applying InputClass "evdev keyboard catchall"
          Information    [29.360] (**) Video Bus: Applying InputClass "libinput keyboard catchall"
          Information    [29.488] (II) Using input driver 'libinput' for 'Video Bus'
          Information    [29.488] (**) Video Bus: always reports core events
          Information    [29.489] (II) input device 'Video Bus', /dev/input/event6 is tagged by udev as: Keyboard
          Information    [29.489] (II) input device 'Video Bus', /dev/input/event6 is a keyboard
          Information    [29.500] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/LNXVIDEO:01/input/input7/event6"
          Information    [29.500] (II) XINPUT: Adding extended input device "Video Bus" (type: KEYBOARD, id 6)
          Information    [29.500] (II) input device 'Video Bus', /dev/input/event6 is tagged by udev as: Keyboard
          Information    [29.500] (II) input device 'Video Bus', /dev/input/event6 is a keyboard
          Information    [70.975] (II) input device 'Video Bus', /dev/input/event6 is tagged by udev as: Keyboard
          Information    [70.975] (II) input device 'Video Bus', /dev/input/event6 is a keyboard

       

       

       

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      Journald log:

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      4/26/16 7:13 PM    kernel    pci 0000:00:02.0: Video device with shadowed ROM

      4/26/16 7:13 PM    kernel    ACPI: Video Device [VID1] (multi-head: yes  rom: no  post: no)

      4/26/16 7:13 PM    kernel    input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/LNXVIDEO:01/input/input7

      4/26/16 7:13 PM    kernel    [Firmware Bug]: Duplicate ACPI video bus devices for the same VGA controller, please try module parameter "video.allow_duplicates=1"if the current driver doesn't work.

      4/26/16 7:13 PM    systemd    Starting Load/Save Screen Backlight Brightness of backlight:acpi_video0...

      4/26/16 7:13 PM    systemd    Started Load/Save Screen Backlight Brightness of backlight:acpi_video0.

      4/26/16 7:13 PM    systemd-logind    Watching system buttons on /dev/input/event6 (Video Bus)

       

       

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