suspend/resume on Lenovo X1 (regression from reports on wiki)

Adrian Chadd adrian at freebsd.org
Sun Sep 1 19:51:50 UTC 2013


(cc jkim)

Hi! Would you mind taking a look at the -acpi list posts with this subject?
It looks like a lot of the video suspend/resume issues on these thinkpads
boil down to the VESA driver code. If it's disabled, (at least) x11 resume
works.

Would you be able to help us track down what's going on?

Thanks!



-adrian



On 31 August 2013 10:23, Kevin Oberman <rkoberman at gmail.com> wrote:

> On Sat, Aug 31, 2013 at 9:53 AM, Adrian Chadd <adrian at freebsd.org> wrote:
>
>> Ok.
>>
>> I'm glad this is actually working for people.
>>
>> But now comes the hard bit - figuring out why the VESA driver is breaking
>> resume. :(
>>
>> I actually use VESA text modes in console mode so I'll take a look but I
>> can't promise anything.
>>
>> Who actually has experience with the VESA code and may be able to help?
>> Does anyone know?
>>
>> Thanks,
>>
>>
>>
>> -adrian
>>
>>
> Of course this is the real issue. Removing VESA is just a band-aid and
> will become a problem once newcons makes it out the door (any day now).
>
> I'd like to try to figure out the scope of the problem, if possible. In
> most (all?) reports, removing VESA has worked on Thinkpads. I think I have
> seen reports that it works on other platforms, but I'm not positive. I also
> believe that it has been reported to not work for attempts to
> suspend/resume when in text mode... only when in X. (I guess I can test
> this myself.)
>
> For almost four years all vesa commits were by jkim.
>
> --
> R. Kevin Oberman, Network Engineer
> E-mail: rkoberman at gmail.com
>


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