Re: [4.6-rcX regression] closing and opening LID on thinkpad x200s freezes X

From: Jiri Kosina
Date: Thu Apr 07 2016 - 07:53:18 EST


On Thu, 7 Apr 2016, BjÃrn Mork wrote:

> > 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

Excellent. FWIW

Tested-by: Jiri Kosina <jkosina@xxxxxxx>

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

Indeed many i915 Gen4 bugs have been discovered on this particular
notebook. I like it, there is no way I am getting rid of it :)

Thanks,

--
Jiri Kosina
SUSE Labs