Intel G41 doesn't see any screens connected after suspend/resume
Jani Nikula
jani.nikula at linux.intel.com
Tue Mar 18 01:29:10 PDT 2014
On Tue, 18 Mar 2014, Nikolay Martynov <mar.kolya at gmail.com> wrote:
> Hi.
>
>>>
>>> I would really appreciate if you could point me on some sort of
>>> manual that describes how to properly run [2] on Ubuntu? Should I run
>>> the whole kernel or just some modules? Is there any way to build only
>>> requires modules?
>>
>> The whole kernel. See https://wiki.ubuntu.com/KernelTeam/GitKernelBuild
>> for a starting point; please use the drm-intel-nightly branch in our
>> tree instead of Linus' tree.
>>
>
> Thank you so much for that link.
> I've created a bug report about original suspend/resume issue:
> https://bugs.freedesktop.org/show_bug.cgi?id=76301.
>
> I was able to build drm-intel-nightly kernel using instructions from
> above link but unfortunately I run into issues:
> - It looks like I get unsigned kernel modules and this prevents
> proper debug output, hopefully I would be able to resolve this on my
> own but unfortunately I won't be able to provide useful dmesg just
> yet.
> - The drm-intel-nightly '6e052fec0cc204f4d2a0f71f45c0363971ad10dc'
> kernel hangs during boot on my aforementioned hardware. I've tried
> several times and mostly I get black screen. But couple of times I got
> some error output that stated something about softlock and lost
> interrupts - and it was sort of slowly printing those errors, once
> about 30 seconds. Unfortunately I do not have a hardcopy of that. The
> interesting thing is that when I add 'nomodeset' to boot parameters
> I'm able to successfully boot. I take it this is not expected and
> probably is a regression. I would appreciate if you could suggest
> course of action to debug this (and probably create another
> bugreport).
Perhaps you failed to install the modules that go with the kernel?
BR,
Jani.
>
> Thanks!
>
>
> --
> Martynov Nikolay.
> Email: mar.kolya at gmail.com
--
Jani Nikula, Intel Open Source Technology Center
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