Re: Textures problems on IR2

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Rob Jenkins (robj++at++quid.engr.sgi.com)
Fri, 27 Mar 1998 11:37:09 -0800

>
> Hi,
> We have modelled a database with an O2 and we have been running it on a
> Max
> Impact for a while. a few days ago I moved the database to an Onyx2 IR2
> running
> performer 2.2 on IRIX 6.4.
> The database has lots of square polygons and many 128x128 pixel
> textures. However we have problems with textures. The textures and also
> polygons have strange colors amd textures randomly. This behaviour
> happens randomly at every 10 frames or sth like this.
> This looks like the problems that we had on our MAxImpact before
> patches.
> Patch 2789 is installed.

try and see if the problem is a general one with the machine, run a few things
like the town demo and other gfx demos, see if they look OK. Try the same app
on another iR if you have one. Also try running perfly <your database> and see
how that looks. If you see lot's of random texture changes with many gfx apps
on one machine you could possibly have a HW problem, you could run the diags,
irsaudit, you'd want to make sure you have patch 2795: Onyx2 Diagnostics 7th
release to get the latest diags. There is a man page for irsaudit. If it flags
any problems then log a support call. Passing diagnostics doesn't mean you can
be 100% sure that there's no HW problem but it at least gives some confidence
that HW is OK, if they pass then maybe we could try your app on a machine here
to see if it looks OK....

Cheers
Rob

-- 
________________________________________________________________
Rob Jenkins mailto:robj++at++sgi.com
Silicon Graphics, Mtn View, California, USA
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