[Intel-gfx] Kernel stability on baytrail machines

[Michal Feix]

On Tue 2016-07-12 16:41:58, Ezequiel Garcia wrote:
>> Hi Alan,
>>
>> (Adding interested people to this thread)
>>
>> On 09 Apr 08:14 PM, One Thousand Gnomes wrote:
>>>>> I do feel that the importance of the mentioned bug is currently
>>>>> underestimated. Can anyone here give a note, how much current linux
>>>>> kernel is supposed to be stable on general baytrail machines?
>>>> If you did not get any replies... you might want to check MAINTAINERS file, and
>>>> put Intel x86 maintainers on Cc list.
>>>>
>>>> I'm sure someone cares :-).
>>> Yes we care, and there are people looking at the various reports.
>>>
>> Are there any updates on the status of this issue?
>>
>> The current bugzilla report [1] marks this as a power management
>> issue. However, many reports indicate that it would only freeze
>> when running X, so it's not completely clear if it's related to
>> the gfx driver too.
> Does
>
> "intel_idle.max_cstate=1"
>
> fix it for you?
Yes, it does.
> If you feel it is X-only problem, you may want to provide details
> about your graphics subsystem (DRM enabled? framebuffer only?) and
> probably cc.
It's not X-only problem. Happens even in console mode, which is KMS 
switched during boot though.
> ...actually... you may want to verify if it happens in unaccelerated X.
As it happens even in console mode, is this relevant test?

Michal