Weird screen flickering with Intel HD Graphics 5500

[Colin Law]

Googling for
intel 5500 flicker linux
yields a number of hits that might be relevant. It may be worth
looking through those.

Colim

On 16 November 2017 at 12:56, Teresa e Junior <teresaejunior at gmail.com> wrote:
> Em 16/11/2017 10:44, Xen escreveu:
>>
>> Liam Proven schreef op 16-11-2017 13:30:
>>>
>>> On 15 November 2017 at 17:47, Teresa e Junior <teresaejunior at gmail.com>
>>> wrote:
>>>>>
>>>>>
>>>>> Press Ctrl+Alt+F1 (through to F6) to switch to a text-only console.
>>>>> Press Ctrl+Alt+F7 to switch back.
>>>>
>>>>
>>>> The TTYs flicker the same way.
>>>
>>>
>>> That suggests it is not a graphics driver related problem, but some to
>>> do with your GPU chip, I'm afraid.
>>>
>>>>> All "nomodeset" to your kernel parameters.
>>>>
>>>>
>>>> That works, thank you, but 3D rendering now is slower, and the laptop
>>>> seems
>>>> hotter! I think I'll stick with the random flickering + suspend the
>>>> laptop +
>>>> wake again!
>>>
>>>
>>> :-o
>>>
>>> It shouldn't change anything once the machine has got to the desktop!
>>>
>>> It sounds to me like you have a sick graphics chip. It's not much to
>>> go on, and I'm not certain, but that is my guess.
>>
>>
>> Don´t forget that older versions of Ubuntu didn´t have the problem and
>> that that´s something she can probably verify.
>
>
> Yes, exactly! The problem started right after I upgraded to Artful around
> two weeks ago!
>
> In normal usage the renderer is "Mesa DRI Intel HD Graphics 5500 (Broadwell
> GT2)", but with "nomodeset" it was llvmpipe.
>
>
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