is 4k desktop possible on freebsd-12?

[Scott Bennett]

tech lists <tech-lists at zyxst.net> wrote:

> On 10/10/2018 11:17, tech-lists wrote:
> > I'm trying to get xorg to display 4k. The context is:
> > 
> > FreeBSD 12.0-ALPHA8 r339084 amd64
> > ports r481640
> > AMD RX580 GPU
> > Asus X99 Extreme3 mobo
> > cpu: intel e5-2699v4
> > 48GB RAM
> > Samsung UE48JU6410U monitor connected via HDMI
> > 
> > drm-next-kmod-4.11.g20180822
>
> Hi, just to follow up to this,
>
> I'd run out of time to work on this so installed latest ubuntu desktop,
> then ran xrandr and it showed 4k as the top resolution. I didn't have to
> make any modifications:
>
> [snip]
> DisplayPort-2 disconnected (normal left inverted right x axis y axis)
> HDMI-A-0 connected primary 1920x1080+0+0 (normal left inverted right x
> axis y axis) 1872mm x 1053mm
>    3840x2160     30.00 +  25.00    24.00    29.97    23.98
>    4096x2160     30.00    25.00    24.00    29.97    23.98
> [/snip]
>
> and then, additionally, installed boinc-client-opencl and boinc was able
> to see the GPUand use it for crunching.
>
> On FreeBSD I couldn't see a way of making the boinc client OpenCL-aware.

     Have you installed lang/clover?  If not, then that may be why you don't
see any devices there.  For Nvidia, it would be lang/beignet instead.
>
> On the plus side, FreeBSD was much more stable on this hardware than
> Ubuntu. Had to disable hyperthreading in the BIOS to stop it crashing
> every few hrs on Ubuntu.
>
> It would be interesting to know, if possible, what Ubuntu is doing that
> FreeBSD isn't on this hardware.


                                  Scott Bennett, Comm. ASMELG, CFIAG
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