[Intel-gfx] 4.3-rc6 on i7 6700 = no graphics.

Kenneth Johansson ken at kenjo.org
Wed Oct 21 15:43:12 PDT 2015

On 2015-10-21 11:29, Jani Nikula wrote:
> On Wed, 21 Oct 2015, Kenneth Johansson <ken at kenjo.org> wrote:
>> So I have a i76700 system that I'm trying to use the integrated graphics
>> with.
>> It sort of works with kernel 4.2 but vlc have some issue with the video
>> overlay, its always on top and no scaling. Also dp MST is not working at
>> all with my dell screen so had to go down to 4k in 30HZ.
>> Trying to use 4.3-rc6 however resulted in no graphics at all.
>> I attached the kernel log. what can be seen is that linux in 4.3 detect
>> the amd graphics cards that it do not in 4.2. but I have in the uefi set
>> the system to use the integrated card so I'm not sure if linux should
>> even start the radeon card. But it later tries to use the intel part and
>> things is not working out ok.
> Please file a new bug at [1], add drm.debug=14 module parameter and
> attach dmesg there.
> Please make sure you have recent firmware files from linux-firmware or
> [2] installed.
bug at  https://bugs.freedesktop.org/show_bug.cgi?id=92572
latest firmware used
skl_dmc_ver1.bin -> /lib/firmware/i915/skl_dmc_ver1_23.bin

I attached the kernel log with debug=14 to the bug report.

> BR,
> Jani.
> [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Intel
> [2] https://01.org/linuxgraphics/downloads

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