[Dri-devel] Re: Dri-devel digest, Vol 1 #1124 - 4 msgs

[John J T. <og...@si...>]

On Tue, 2002-01-22 at 15:01, dri...@li...
wrote:

> Message: 4
> From: Steve Bergman <st...@ru...>
> To: dri...@li...
> Cc: st...@ru...
> Date: 22 Jan 2002 15:01:48 -0600
> Subject: [Dri-devel] Athlon/Kt133/Radeon QD system locking with > 1GB ram
> 
> 
> --=-psWt2b0/HpBiNwtLjt73
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> 
> Hi,
> 
> I have posted this problem to dri-users a couple of times in the past
> and to LKML as well (could be a DRM issue, I guess.)
> 
> I have unfortunately found no solution.
> 
> Basic info:
> 
> Athlon 1200
> KT133 chipset (Epox KT7A2 MB?)
> 1.5GB PC133 SDR
> Radeon QD 64MB DDR
> 
> Kernel 2.4.17/2.4.8-mdk/2,4,17mjc1/others
> XFree86 4.1 amd 4.1.99.6
> 
> The system works just fine using DRI with anything up to 1GB ram
> physically installed.  Works well wheter the kernel is compiled with or
> without highmem support.
> 
> If I add memory beyond 1024MB (I've tried 1152MB and 1536MB) my 2D
> desktop becomes somewhat unstable and *any* use of DRI freezes the
> system immediately. (Sometimes I can ping it, sometimes not.)
> 
> Reducing the AGP aperture size in the BIOS seems to help a little.  I
> have actually gotten a single frame to draw when going into Quake3
> before the system locks.
> 
> It makes no difference whether the kernel is compiled with or without
> highmem support.  What is important is the physical presence of the
> extra memory in the machine.
> 
> I'm attaching output from dmesg, lspci, and the Xfree86 log.
> 
> I have tried with both XF86 4.1 and 4.1.99.6 (from Mandrake Cooker)
> although I have not tried 4.2 yet.  If anyone has any ideas, I have no
> problem getting the 4.2 source and recompiling with any patches.
> 
> If anyone wants any more info, just ask.
> 
> All memory has been extensively tested with memtest86.
> 
> Also, I have been thinking of this as a DRI problem, but just had a very
> simple X session with nothing fancy, not even a window manager, segfault
> without having done any 3D at all.  Is there perhaps a better forum for
> my problem?
> 
> The only thing I notice in the XFree86 log that seems like a possibility
> is the location of the SAREA which is mapped to just above 1GB.  Is that
> significant?
> 
> 
> 
> I have not received confirmation of my subscription to dri-devel so a cc
> would be greatly appreciated as would any help.
> 
> 
> Thanks for any assistance,
> Steve Bergman

If you have windows installed on your system, is windows stable when it
runs with this much ram? I have heard reports of some boards being
unstable with all the memory slots occupied.

Just a thought.
 
-- 
John Tobin
og...@si...; AOL IM: ogre7929
http://ogre.rocky-road.net
http://ogre.rocky-road.net/cdr.shtml