Xorg problem on Skylake

[karu.pruun]

Thank you, I'll try this tonight.

On the bright side, Xorg is kind of stable in the sense that the
corruption is systematic and the server does not crash.

Peeter

--


On Mon, Feb 15, 2016 at 9:39 AM, Matthew Dillon <dillon at backplane.com> wrote:
> On skylake, not yet... all you can do is turn off acceleration in
> /etc/X11/xorg.conf (if you are running X without an /etc/X11/xorg.conf you
> have to mess around and set one up, then turn off acceleration in it).
> SkyLake support only just recently started to go in and it is guaranteed to
> be unstable.  We haven't synchronized the code to the point where it is
> supported well yet.
>
> -Matt
>
> On Sun, Feb 14, 2016 at 2:02 PM, karu.pruun <karu.pruun at gmail.com> wrote:
>>
>> Hello
>>
>> I am having trouble getting Xorg working on a Skylake machine with
>> Intel integrated graphics (dmesg and Xorg log attached; a few errors
>> on drm at the end of dmesg too), on this snapshot:
>>
>> ---
>> DragonFly mars 4.5-DEVELOPMENT DragonFly 4.5-DEVELOPMENT #0: Wed Feb
>> 10 11:57:30 UTC 2016
>> root at pkgbox64.dragonflybsd.org:/usr/obj/usr/src/sys/X86_64_GENERIC
>> x86_64
>> ---
>>
>> I am not using xorg.conf and start Xorg with startx and .xinitrc that
>> starts a mate-session. Several issues:
>>
>> - Xorg starts up and for some reason outputs to two devices, eDP1 and
>> HDMI2. I only have one monitor at HDMI2; it can do 1680x1050 but since
>> Xorg finds that eDP1 can have max resolution up to 1024x760 it forces
>> the latter resolution on my monitor. Can I force it have only HDMI2,
>> i.e. the one that actually has a monitor attached?
>>
>> - But even at 1024x768 the screen starts corrupting when I move
>> windows, text becomes occasionally blurred etc. When I log out of mate
>> to return to text screen, I get a black screen. The system is not
>> frozen, all I can do is reboot.
>>
>> - In the 1024x768 mode, when I try to change the resolution with xrandr:
>>
>> # xrandr --output HDMI2 --auto
>>
>> Xorg does change the mode to 1680x1050, i.e. the native resolution of
>> the monitor, but the screen is half-corrupted and unusable. When I
>> exit to text screen I succeed the first time; but the text mode is now
>> something like 128x48 or similar and in the top left quarter of the
>> display. When I start Xorg again I get a half-corrupted screen; upon
>> return to text mode it gives a blank or a frozen screen---all I can do
>> is reboot.
>>
>> Is there anything one can do?
>>
>> Thanks
>>
>> Peeter
>>
>> --
>
>