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Article View: comp.sys.next.programmer
Article #715

Re: violent crashes

#715
From: Anthony Berno
Date: Wed, 15 Apr 1992 22:51
22 lines
1353 bytes
In article <1992Apr13.232753.25043@ucsu.Colorado.EDU>  
schildba@spot.Colorado.EDU (Wolfgang Schildbach) writes:
> Hi,
> 
> every once in a while it happens to me that upon executing my code
> the NeXT just kills *ALL* my processes, logs me out and leaves me
> with the login screen. My understanding of UNIX is that no matter
> how nasty a program, it should never infringe on other processes.
> 
> What could cause these nasty crashes?

Sounds like the window server dying. The window server is not perfect, and  
malicious / unusual /  flaky PostScript can tip it over the edge. Of  
course, when the server dies, so do all its clients.

I can do this relatively easily from pft or yap, but it isn't always  
reproducible. TopDraw does this quite frequently as well.

(Want to really have a blast? Try resizing an AppKit-managed window from  
within pft. It does interesting things...)

-Anthony
Technical Details
Message-ID: <1992Apr15.225108.17139@godel.questor.wimsey.bc.ca>
Path: arc1-ca.pugleaf.net!sparky!uunet!van-bc!questor!godel!aberno
References: <1992Apr13.232753.25043@ucsu.Colorado.EDU>

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Path: arc1-ca.pugleaf.net!sparky!uunet!van-bc!questor!godel!aberno
From: aberno@godel.questor.wimsey.bc.ca (Anthony Berno)
Newsgroups: comp.sys.next.programmer
Subject: Re: violent crashes
Message-ID: <1992Apr15.225108.17139@godel.questor.wimsey.bc.ca>
Date: Wed, 15 Apr 1992 22:51:08 GMT
References: <1992Apr13.232753.25043@ucsu.Colorado.EDU>
Sender: aberno@godel.questor.wimsey.bc.ca
Reply-To: aberno@godel.questor.wimsey.bc.ca
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