Re: [request] bugfix patch for inclusion in the Linux 4.9 LTS series

Re: [request] bugfix patch for inclusion in the Linux 4.9 LTS series

[Jani Nikula]

On Mon, 18 Sep 2017, Aaditya Bagga <aaditya_gnulinux@zoho.com> wrote:
> Hi there!
>
> With the Linux 4.9 series (upto 4.9.50), the GPU hangs upon resume from 
> disk (hibernation) on a laptop with Intel Broadwell graphics.
>
> I filed a bug [1] and got to know that it has been already fixed [2].
>
> Would it be possible to have this patch included in the Linux 4.9 LTS 
> series?
>
> Thanks,
> Aaditya
>
> [1]: https://bugs.freedesktop.org/show_bug.cgi?id=102831
> [2]: https://patchwork.freedesktop.org/patch/111587/

Chris?

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Technology Center
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Re: [request] bugfix patch for inclusion in the Linux 4.9 LTS series

[Aaditya Bagga]

On 09/18/2017 05:00 PM, Jani Nikula wrote:
> On Mon, 18 Sep 2017, Aaditya Bagga <aaditya_gnulinux@zoho.com> wrote:
>> Hi there!
>>
>> With the Linux 4.9 series (upto 4.9.50), the GPU hangs upon resume from
>> disk (hibernation) on a laptop with Intel Broadwell graphics.
>>
>> I filed a bug [1] and got to know that it has been already fixed [2].
>>
>> Would it be possible to have this patch included in the Linux 4.9 LTS
>> series?
>>
>> Thanks,
>> Aaditya
>>
>> [1]: https://bugs.freedesktop.org/show_bug.cgi?id=102831
>> [2]: https://patchwork.freedesktop.org/patch/111587/
> 
> Chris?
> 
> BR,
> Jani.
> 
> 

I looked through the bug report which contains the fix [1], and it seems 
that the patch was applied to the Linux 4.9 series and then reverted due 
to regression with Skylake [2][3].

Since it works on my Broadwell based system, I'll keep on using it; the 
expert opinion is that it cannot be easily backported without more 
changes [4].

Thanks,
Aaditya

[1]: https://bugs.freedesktop.org/show_bug.cgi?id=96526
[2]: https://bugs.freedesktop.org/show_bug.cgi?id=100221
[3]: 
https://www.mail-archive.com/intel-gfx@lists.freedesktop.org/msg115331.html
[4]: 
https://www.mail-archive.com/intel-gfx@lists.freedesktop.org/msg116022.html

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