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Received: by minnie.vk1xwt.ampr.org with NNTP id AA5777 ; Fri, 01 Jan 93 01:55:28 EST Newsgroups: comp.unix.bsd Path: sserve!manuel.anu.edu.au!munnari.oz.au!metro!news From: dawes@physics.su.OZ.AU (David Dawes) Subject: Re: XFree86 problem in XDrawSegments Message-ID: <1992Dec31.030108.10143@ucc.su.OZ.AU> Sender: news@ucc.su.OZ.AU Nntp-Posting-Host: physics.su.oz.au Organization: School of Physics, University of Sydney, Australia References: <1992Dec30.013451.13074@ponds.uucp> <1992Dec30.063602.8978@fcom.cc.utah.edu> <1992Dec30.140352.18037@ponds.uucp> Date: Thu, 31 Dec 1992 03:01:08 GMT Lines: 68 In article <1992Dec30.140352.18037@ponds.uucp> rivers@ponds.uucp (Thomas David Rivers) writes: >In article <1992Dec30.063602.8978@fcom.cc.utah.edu> terry@cs.weber.edu (A Wizard of Earth C) writes: >>In article <1992Dec30.013451.13074@ponds.uucp> rivers@ponds.uucp (Thomas David Rivers) writes: >>> >>> In trying to get cbzone up and running in 386bsd; I discovered the >>> following problem. >>> >>> I'm using XFree86 version 1.1 as available on agate. >>> >>> After the game starts up (opens the display and does some drawing) it >>> will bomb out with the following message: >>> >>>XIO: fatal IO error 14 (Bad address) on X server ":0.0" >>> after 400 requests (399 known processed) with 17 events remaining. >>> >>> >>> A breakpoint in _XDefaultIOError() reveals the following traceback: >>> >>> _XDefaultIOError() >>> _XIOError() >>> _XSend() >>> _XDrawSegments() >>> multiline() <----- cbzone function >>> drawhorizone() <----- cbzone function >>> main()() <----- cbzone function >>> >>> It would appear that something is wrong in XDrawSegments.... >>> >>> Has anyone else run into this? >> >>I have run into a similar problem (resulting in "BadMatch" errors) on an >>AT&T X terminal. The problem traced back to a modification of the GC >>occurring before a draw, but not being forced to take effect (basically, >>an event queueing problem). Using an XSync( Display, False); prior to >>the draw fixed the problem. >> >> >> Terry Lambert >> terry@icarus.weber.edu >> terry_lambert@novell.com >>--- >>Any opinions in this posting are my own and not those of my present >>or previous employers. >>-- >>------------------------------------------------------------------------------- >> "I have an 8 user poetic license" - me >> Get the 386bsd FAQ from agate.berkeley.edu:/pub/386BSD/386bsd-0.1/unofficial >>------------------------------------------------------------------------------- > > > > Well, I was anxious and since that sounded plausible, I tried it out. > > Unfortunately, it didn't seem to change the situation. I'm beginning > to wonder if this is simply a R5 problem - except that I build it > regularly at work with my own R5 X libraries for the IBM 370 (really, honest.) I've built and run cbzone on XFree86 on a SVR4 box -- without any problems. The version of cbzone I have is PatchLevel 0. David -- ------------------------------------------------------------------------------ David Dawes <dawes@physics.su.oz.au> DoD#210 | Phone: +61 2 692 2639 School of Physics, University of Sydney, Australia | Fax: +61 2 660 2903 ------------------------------------------------------------------------------ I was so satisfied, deep down inside, like a hand in a velvet glove -- AC/DC ------------------------------------------------------------------------------