Subject: Re: Xsun strangeness on sparc64
To: J. Lebo <jjlebo@earthlink.net>
From: Eduardo Horvath <eeh@NetBSD.ORG>
List: port-sparc64
Date: 06/20/2003 22:39:33
On Fri, Jun 20, 2003 at 05:52:52PM -0400, J. Lebo wrote:
> I get some strange behavior with the Xsun server running on an Ultra 1
> with a cgsix under both the off the shelf sparc64 1.6 and 1.6.1
> releases.  When running a web browser remotely (on an Intel Linux box,
> if that matters) using the Ultra's display and scrolling up and down the
> display of text is frequently incomplete.  It appears that characters
> are randomly not painted.  For example, the first line in this message
> might look like...
> 
> I g t s m  stra ge  eh    r with t   Xsu  s r er ru   ng on a  Ultra 1
> 
> If I drag the cursor over the line then all the characters appear, so
> they are really all there.  Images are also sometimes clipped.  This
> problem affects mozilla, netscape and opera.  I've rebuilt the server,
> but that did not fix the problem.
> 
> I've also got a SS20 running the sparc port of 1.5 and it never has this
> problem.
> 
> Has anyone else experienced this problem?  More importantly, can anyone
> suggest what I might do to fix the problem?

The last time I saw this problem it was caused by buggy 64-bit big endian
blit routines in the font handling code.  I suppose you could try building 
an X server configured for 32-bit blits and see if it still has the problem.

Eduardo