[Intel-gfx] [4.6-rcX regression] closing and opening LID on thinkpad x200s freezes X

[Bjørn Mork]

Jiri Kosina <jikos at kernel.org> writes:

> Hi,
>
> after updating to 4.6-rcX (where X is 1 or 2, doesn't really matter) on 
> thinkpad x200s notebook with
>
> 	00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
>
> closing and opening the lid freezes the computer completely (after opening 
> the LID, I can see either the complete original contents of the screen, or 
> silouhette of xscreensaver window decorations, but the machine is dead by 
> then (neither ctrl-alt-backspace-backspace nor switching to text console 
> doesn't work).
>
> It definitely worked with older kernels, but I unfortunately don't have 
> all the data needed for bisection, as the old kernels have been wiped off 
> the machine in the meantime.
>
> Is this a known issue?

Yup.  Fix is queued: https://lkml.org/lkml/2016/3/30/151

Good to see that I'm not the only one running rc's on ancient laptops :)



Bjørn