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

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Date:	Thu, 07 Apr 2016 08:08:40 +0200
From:	Bjørn Mork <bjorn@...k.no>
To:	Jiri Kosina <jikos@...nel.org>
Cc:	Daniel Vetter <daniel.vetter@...el.com>,
	Jani Nikula <jani.nikula@...ux.intel.com>,
	David Airlie <airlied@...ux.ie>,
	intel-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: Re: [4.6-rcX regression] closing and opening LID on thinkpad x200s freezes X

Jiri Kosina <jikos@...nel.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