From owner-freebsd-stable@FreeBSD.ORG  Thu Aug  7 17:57:38 2003
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To: Chuck Swiger <cswiger@mac.com>
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    from Chuck Swiger at "Thu, 07 Aug 2003 12:33:08 -0400"
Date: Fri, 08 Aug 2003 10:57:13 +1000
From: Stephen McKay <smckay@internode.on.net>
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cc: Stephen McKay <smckay@internode.on.net>
Subject: Re: nvi dying with "Resource temporarily unavailable" 
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On Thursday, 7th August 2003, Chuck Swiger wrote:

>Stephen McKay wrote:
>> Since I upgraded to FreeBSD 4.8 (from 4.5) I've noticed occasional failures
>> of nvi.  It will suddenly die as a key is pressed, emitting:
>> 
>> Error: input: Resource temporarily unavailable
>> 
>> and you are staring at your command prompt.
>> 
>> I googled for this message and found that people here and there have been
>> complaining of this since about FreeBSD 4.2, but that absolutely none of
>> them have received a reply.
>
>Are you using bash as your shell, by any chance?

Zsh, actually.  Long live zsh! :-)

I suppose zsh could be interfering with the pty, but this failure happens
in the middle of an editing session, not at the start.  I assumed some sort
of race condition, but couldn't (easily) find anything in the nvi code.

Stephen.