radeon agpmode 4x hangs

[Roland Smith]

On Tue, Jul 18, 2006 at 01:15:16AM +0530, Gobbledegeek wrote:
> Hi
>   Is  this very  old  and  widespread  problem  going  to be fixed
> on amd64 anytime?
> I have  the same problem with  my  radeon 7500.  I  get a partially
> painted  screen  with  a frozen  system  at gdm login screen, with
> 4x. With 2x, the  monitor jumps into powersave  mode and doesn't come
> back  without a reboot.  System  is  7.0 current.

My system works like a charm with AGP 8x (from /var/log/Xorg.0.log):

X Window System Version 6.9.0
Release Date: 21 December 2005
X Protocol Version 11, Revision 0, Release 6.9
Build Operating System: FreeBSD 6.0 amd64 [ELF] 
Current Operating System: FreeBSD slackbox.xs4all.nl 6.1-STABLE FreeBSD 6.1-STAB
LE #0: Tue May  9 22:46:51 CEST 2006     rsmith at slackbox.xs4all.nl:/usr/obj/usr/
src/sys/RFS amd64
<snip>
(--) Chipset ATI Radeon 9200PRO 5960 (AGP) found
<snip>
(**) RADEON(0): AGP 8x mode is configured
(II) RADEON(0): AGP Fast Write disabled by default

I use startx, not gdm, in case that matters.

Maybe you should look into the radeon kernel driver. There used to be
some 32-bitness issues here and there, but I thought they were all fixed
before 6.0. Maybe there have been some new bugs introduced in CURRENT?

Roland
-- 
R.F.Smith                                   http://www.xs4all.nl/~rsmith/
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