Date: Thu, 11 Jan 1996 20:40:52 +0100 (MET) From: Wilko Bulte <wilko@yedi.iaf.nl> To: FreeBSD-hackers@freebsd.org (FreeBSD hackers list) Subject: sio overruns on 205R revisited Message-ID: <199601111940.UAA01584@yedi.iaf.nl>
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Hi there Some time ago I mentioned that I was getting sio overruns on my new P55TP4XE /90. That was using the onboard serial ports. In the mean time I also tried it using the AST/4 with 16550 I was using successfully with my old 486/25. Evidence has shown that there is no difference, still overruns. After quite some experimenting I noticed that the sio errors can be reproduced quite easily by putting 'load' on the X display. So, an xterm with ls -lR / is a sure case of (lots of) sio overflow errors. When I repeat the same ls -lR / on a normal text vt iso the X display no problems occur. My conclusion: something in the S3/928 PCI VGA card makes trouble. As another datapoint: when the option nomemaccess is NOT in XF86config then I get a garbled X display. Meaning: random pixels in the wrong color, can be 'wiped' in the correct color by moving a window over 'm. Really strange. I appreciate input on this, maybe I'm missing something?? Wilko _ __________________________________________________________________________ | / o / / _ Wilko Bulte email: wilko@yedi.iaf.nl |/|/ / / /( (_) Private FreeBSD site - Arnhem - The Netherlands --------------------------------------------------------------------------------
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