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

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

[Jiri Kosina]

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?

Thanks,

-- 
Jiri Kosina
SUSE Labs

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

[Bjørn Mork]

Jiri Kosina <jikos@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
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Re: [4.6-rcX regression] closing and opening LID on thinkpad x200s freezes X

[Jiri Kosina]

On Thu, 7 Apr 2016, Bjørn 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@suse.cz>

> 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

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