Re: AMD & 13.0 Current

On Sun, Sep 15, 2019 at 05:29:36PM -0500, Clay Daniels Jr. wrote:
> I have built me a new computer, put it together, and being impatient did
> not even partition the 2TB WD HD, but just installed last weeks Current.
> Worked great!
> Now that I have these two to compare I will share the details and results,
> particularly if you are using AMD CPR/Radeon Graphics.
> 
> The older:
> Per Windows:
> HP Pavilion23 All-in-one PC
> Manufactured & bought 2014
> AMD E2-3800 APU with Radeon Graphics
> 1.30GHz CPU - 4.00 GB RAM
> Per either Linux or FreeBSD13:
> Graphics:
> Device-1: AMD Kabini [Radeon HD 8280 / R3 Series]vendor:Hewlett-Packard
> driver: radeon v: kernel bus ID: 00:01.0
> Display: x11 server: X.Org 1.19.2 driver: ati,radeon
> unloaded: fbdev,modesetting,vesa resolution: 1920x1080~60Hz
> OpenGL: renderer: AMD KABINI (DRM 2.50.0 4.19.0-5-amd64 LLVM 7.0.0)
> v: 4.5 Mesa 18.2.6 direct render: Yes
> 
> The newer:
> R7_BSD-13
> clay_at_r7bsd:~ $ uname -a
> FreeBSD r7bsd 13.0-CURRENT FreeBSD 13.0-CURRENT r352265 GENERIC  amd64
> clay_at_r7bsd:~ $ gpart show -p
> =>        34  3907029101    ada0  GPT  (1.8T)
>           34        2014          - free -  (1.0M)
>         2048     1083392  ada0p1  ms-recovery  (529M)
>      1085440      204800  ada0p2  efi  (100M)
>      1290240       32768  ada0p3  ms-reserved  (16M)
>      1323008  1072420864  ada0p4  ms-basic-data  (511G)
>   1073743872      532480  ada0p5  efi  (260M)
>   1074276352  2824331256  ada0p6  freebsd-ufs  (1.3T)
>   3898607608     8388608  ada0p7  freebsd-swap  (4.0G)
>   3906996216       32919          - free -  (16M)
> Hardware:
> AMD Ryzen7 3700X CPU
> MSI MSI X570-A PRO Motherboard
> MSI Radeon RX 570 Video Card
> G.SKILL Ripjaws V Series 16GB SDRAM DDR4 3200 Memory
> 
> The good thing is they both use the same drm-kmod "amdgpu".
> So I can see that a 2014 or later computer will probably use the same, and
> not the legacy "radeonkms" in /etc/rc.conf.
> 
> The other thing to note, is that for 13.0 Current they both need a line in
> /boot/loader.conf:
> hw.syscons..disable=1

Why is this line needed and for what purposes? 

Does the new hardware in this new build also work well in FreeBSD 12
stable branch? The FreeBSD current is for testing purposes so we are
very interested in how it the above mentioned new hardware work on
stable or production version.

Mark

> 
> That's basically my report. I am enjoying my new machine.
> Clay
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