[Xorg-driver-geode] AMD Geode on Freebsd UPDATE, suggestion worked!

Thu Dec 20 10:17:01 PST 2007

Jordan,

So with the NoAccel True option placed inside the card section, my 
graphics work. :)

Everything isn't perfect though.  (As I'm sure you suspect)  If I try to 
terminate the X server
the graphics are stalled (hung).  I can still access the system via 
remote shell.

If I say inside X, and run my desktop, I can use it! :) XFCE4 is working 
just fine for me.

Anyway, I now have a high res screen with many colors (don't know what 
color depth I have)

Top is reporting a light system load with the drivers & Xorg (before the 
CPU was pegged)

(Note: I'm running make also on Firefox) :)  Love FreeBSD...

  PID USERNAME     VCSW  IVCSW   READ  WRITE  FAULT  TOTAL PERCENT COMMAN
last pid:  1041;  load averages:  0.02,  0.13,  0.08    up 0+00:06:48  
09:57:11
41 processes:  1 running, 40 sleeping
CPU states:  0.8% user,  0.0% nice,  1.2% system,  1.2% interrupt, 96.9% 
idle
Mem: 37M Active, 26M Inact, 38M Wired, 260K Cache, 33M Buf, 125M Free
Swap: 470M Total, 470M Free

  PID USERNAME    THR PRI NICE   SIZE    RES STATE    TIME   WCPU COMMAND
 1034 root          1  96    0  6256K  3292K select   0:00  0.36% sshd
 1033 root          1   4    0  2580K  1700K sbwait   0:01  0.05% fetch
  838 root          1  96    0 28200K 14520K select   0:10  0.00% Xorg
  881 root          1  96    0 22812K 14720K select   0:02  0.00% Terminal
  874 root          3  20    0 20260K 13108K kserel   0:02  0.00% xfdesktop
  870 root          1  96    0 18968K 11424K select   0:01  0.00% 
xfce4-panel
  976 root          1   8    0  1328K  1216K wait     0:01  0.00% make
  903 root          1   8    0  1264K  1144K wait     0:01  0.00% make
  868 root          1  96    0 13480K  9540K select   0:01  0.00% xfwm4
  875 root          1  96    0 17496K 10120K select   0:00  0.00% 
xfce4-menu-pl
  858 root          1  96    0 12380K  7324K select   0:00  0.00% 
xfce4-session
  866 root          1  96    0 18472K  9104K select   0:00  0.00% 
xfce-mcs-mana
  513 root          1  96    0  1340K   808K select   0:00  0.00% moused
  872 root          1  96    0 12752K  8152K select   0:00  0.00% Thunar
  883 root          1  20    0  4688K  2868K pause    0:00  0.00% csh
  832 root          1  20    0  4688K  2800K pause    0:00  0.00% csh
 1037 root          1  20    0  4824K  2936K pause    0:00  0.00% csh

I'm including my Xorg.0.log file. 

It appears that the VESA drivers are loading.  Is this correct?  I guess 
turning off the acceleration
enables the probing to work.

I will go ahead and add in the debug code you have asked for. 

At least I have some usable graphics.  I'm using XFCE in high res mode, 
and I'm building other GUI apps to test.

Later I will build and run Xperf and see what kind of results that shows.

Thank you so much guys!  I hope I can contribute something! :)

Larry

Jordan Crouse wrote:
> On 20/12/07 02:42 -0800, Larry Maloney wrote:
>   
>> Sorry, I was wrong.
>>
>> The driver loads, I get an X back ground and the X cursor, but the session 
>> is frozen.  I can't load any graphic applications inside X.
>>     
>
> That is most likely because the GPU is stuck in an infinite loop.
> Easy way to check is to add option "NoAccel" "true" to the card 
> section in your xorg.conf.
>
> If that is the case, then the problem is probably in the MSR code,
> which I feared might give us problems in BSD.
>
> put copious ErrorF messages through the LXReadMSR and LXWriteMSR
> functions - the GeodeReadMSR and LXWRiteMSR functions should return
> error on your machine (since BSD doesn't have /dev/cpu/0/msr),
> but the LX_MSR_READ and LX_MSR_WRITE functions should work.  One thing
> to check is to make sure that the inline assembly is correct and
> that you have I/O permission in BSD (you should, but you never know).
>
> if there is a sane way to read MSRs without the VSA I/O on BSD, then
> lets put that into the GeodeReadMSR and GeodeWriteMSR functions bounded
> the appropriate #ifdefs, which is the more correct solution (as you can
> tell, I know nothing of the internal workings of BSD).
>
> The problem _might_ be somewhere else, but to be honest with you, every
> time this failure case has come up, then this has been the problem.
>
> Jordan
>
>
>
>
>   

-- 
==============================
Larry P. Maloney
CEO/CTO SoftNet Solutions

Phone: 650-669-1942
  Web: www.softnetsolution.com

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