*BSD News Article 86923


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From: craigs@os.com (Craig Shrimpton)
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: What causes a bus error?
Date: Wed, 15 Jan 1997 20:48:12 -0500
Organization: Orbit Systems
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In article <5biv26$boh@sol.ctr.columbia.edu>, wpaul@ctr.columbia.edu (Bill
Paul) wrote:


> 
> : What is a bus error and can I fix it?
> 
> A bus error is usually an indication that your process attempted to
> perform some kind of operation on a memory location that it wasn't allowed
> to do. An example would be if you mmap()'ed a page of memory, used
> mprotect() to set it read-only, and then tried to write to it.
> 

When I first saw it I thought I was having a bus error as in motherboard
bus.  Glad it's only software.


> There may be some fixes in the BSDI compatibility, but you may have
> trouble even up to 2.2. However, the other person I know who had this
> problem contacted the people who produce Post.Orifice^H^H^H^H^H^H^HOffice
> and explained his plight to them, and they provided him with an 'alpha
> quality' release of the package compiled for FreeBSD. You might try
> asking them to let you have a copy.
> 

Thanks, I'll give them a call.

> 
> PS: Given the choice, I'd rather use sendmail. :)
> 

I would use sendmail if I could get it to work with quotas and I was sure
about its safety.  Actually, it will work with quotas but not gracefully. 
It seems to just dump an error if the user's mbox fills up.  I'm also
looking a qmail which is supposed to be secure and can do everything but
uucp (I've been told).


Thanks,

Craig

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