Date: Wed, 17 Oct 2018 06:47:16 -0500 From: Scott Bennett <bennett@sdf.org> To: tech-lists@zyxst.net Cc: freebsd-x11@freebsd.org Subject: Re: is 4k desktop possible on freebsd-12? Message-ID: <201810171147.w9HBlGhM007525@sdf.org> In-Reply-To: <a8cfa4bf-47db-4e27-f577-6f35875f64c8@zyxst.net> References: <3ae8eee1-4752-122f-bcc6-661ed23d09e3@zyxst.net> <a8cfa4bf-47db-4e27-f577-6f35875f64c8@zyxst.net>
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tech lists <tech-lists@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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