freebsd stable - Jun 2018 - ATI video problem - extremely slow desktop - 100% cpu load

I have now tested with two additional ATI cards.
A Radeon HD 5450 and and older card that shows as 
"RV370 [Radeon X300 SE]" in the PCI info.

Same problem on all of them.  Before, it would come up and run correctly
once in a while.  It doesn't seem to at all now.  This seems to be some
kind of core radeon driver bug.

On Wed, Jun 20, 2018 at 3:43 PM, Vincent Stemen <vince at hightek.org>
wrote:
> I have now tested with two additional ATI cards.
> A Radeon HD 5450 and and older card that shows as
> "RV370 [Radeon X300 SE]" in the PCI info.
>
> Same problem on all of them.  Before, it would come up and run correctly
> once in a while.  It doesn't seem to at all now.  This seems to be some
> kind of core radeon driver bug.
>
Vincent
 I am running 11.2-PRERELEASE with a Cedar PRO [Radeon HD 5450/6350]
and I dont have any issues like that

here is what I do to get it working for me; and I have used more or
less the same setup since 10.3-RELEASE

In my loader.conf I have

radeonkms_load="YES"
radeonkmsfw_CEDAR_pfp_load="YES"
radeonkmsfw_CEDAR_rlc_load="YES"
radeonkmsfw_CEDAR_me_load="YES"

I use a static xorg.conf as well  In there I have the following bits

  1 Section "ServerLayout"
  2         Identifier     "X.org Configured"
  3         Screen      0  "Screen0" 0 0
  4         InputDevice    "Mouse0" "CorePointer"
  5         InputDevice    "Keyboard0" "CoreKeyboard"
  6         Option         "AIGLX" "true"
  7 EndSection
...
 19 Section "Module"
 20     Load           "dbe"
 21     Load           "dri"
 22     Load           "dri2"
 23     Load           "extmod"
 24     Load           "record"
 25     Load           "freetype"
 26     Load           "bitmap"
 27     Load           "type1"
 28     Load           "glx"
 29 EndSection
...
 50 Section "Device"
 51         Option     "AccelMethod" "EXA"
 52         Option     "DRI" "true"
 53         Identifier  "Card0"
 54         Driver      "radeon"
 55         BusID       "PCI:3:0:0"
 56 EndSection
 57
...

Also if the redeon driver is not working for you try scfb . It works
better the vesa it some cases


msaad at ostrich:~ % pkg info xf86-video-scfb-0.0.4_5
xf86-video-scfb-0.0.4_5
Name           : xf86-video-scfb
Version        : 0.0.4_5
Installed on   : Mon Sep 25 10:52:09 2017 EDT
Origin         : x11-drivers/xf86-video-scfb
Architecture   : FreeBSD:11:amd64
Prefix         : /usr/local
Categories     : x11-drivers
Licenses       :
Maintainer     : x11 at FreeBSD.org
WWW            : UNKNOWN
Comment        : X.Org syscons display driver
Annotations    :
    repo_type      : binary
    repository     : FreeBSD
Flat size      : 21.4KiB
Description    :
This package contains the X.Org xf86-video-scfb driver.
Framebuffer access via FreeBSD syscons.



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-- 
mark saad | nonesuch at longcount.org