Re: PROBLEM: Intel VGA output busticated on 4.3-rc2 (regression)

From: Nick Bowler
Date: Wed Oct 07 2015 - 11:45:02 EST


On 10/7/15, Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> On Wed, Oct 07, 2015 at 10:29:22AM -0400, Nick Bowler wrote:
>> On 10/7/15, Ville SyrjÃlà <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
>> > On Tue, Oct 06, 2015 at 11:42:33AM -0400, Nick Bowler wrote:
>> >> On 9/24/15, Nick Bowler <nbowler@xxxxxxxxxx> wrote:
>> >> > Testing out 4.3-rc2, first thing I notice is that the VGA output is
>> >> > not working. Specifically, the display is continuously powering on
>> >> > and off -- at no point is any image visible on the screen (I am
>> >> > expecting to see the console output). The display connected to the
>> >> > HDMI output is working fine.
>> [...]
> Hmm. You said VGA has the problem, but HDMI does not. Was the problem
> happening even when you have both displays enabled at the same time, or
> just when VGA was enabled alone?

When I boot with HDMI cable disconnected, there is no change in behaviour
for the VGA output.

> I've attached two potential patches that might help. Can you give a try
> to just patch 1, and if that alone doesn't help then both patches
> together?

I will try.

Cheers,
Nick
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/