Message-ID: <49AC0C38.20908@cygwin.com>
Date: Mon, 02 Mar 2009 11:41:28 -0500
From: "Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com>
Reply-To: cygwin AT cygwin DOT com
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To: cygwin AT cygwin DOT com
Subject: Re: [1.7] Editing in /etc
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Chris Sutcliffe wrote:
>>> Perhaps I spoke to soon...  I'm still having the issue, this time with
>>> a domain based user.
>> I can't reproduce that, neither from a console window, nor from a mintty
>> window.
> 
> I've tried from both a console window and mintty and experience the
> same behaviour.
> 
>>> I executed 'mkpasswd -l -c > /etc/passwd' which again acted as
>>> expected, and the /etc/passwd file was created.  I went to edit the
>>> file with 'vim -D /etc/passwd' to change the users' default group and
>>> vim again displayed the message about an error opening input.
>> So this does not only occur in /etc?  What happens if you start vim
>> without the -D flag?
> 
> This only occurs for any file in /etc.  For simplicity, I tried:
> 
> $ cd /etc
> $ echo "Some text" > test.txt
> $ cat test.txt
> Some text
> $ vim text.txt
> 
> and all I get is a screen with nothing but "test.txt" in the lower
> left hand corner.
> 
>>> Looking in /dev I have:
>> The content of /dev shouldn't matter, in theory.
>>
>>> $ ls -ltr /proc/self/fd/0
>>> lrwxrwxrwx 1 csutclif Users 0 Nov 30  2006 /proc/self/fd/0 -> /dev/tty0
>>>
>>> however, there is no /dev/tty0.  Should there be?  If so, how do I create it?
>> http://cygwin.com/1.7/cygwin-ug-net/using-specialnames.html#pathnames-posixdevices
> 
> Ah, so the permissions on tty0 look correct:
> 
> $ ls -l /dev/tty0
> crw-rw-rw- 1 csutclif Users 136, 0 Nov 30  2006 /dev/tty0
> 
>>> I'm at a loss here, could anybody hazard an idea as to what could be
>>> happening, or how I could further debug the issue?
>> Maybe something in /etc is making problems but I can't imagine what that
>> is.  This is a typical case where you just have to debug this.  Strace
>> might reveal a problem here.  Or maybe it's a BLODA problem.
> 
> How do I capture the strace output to a file?  I tried 'strace vim
> /etc/passwd > strace.out' but vim complained about stdout being
> redirected.

strace -o strace.out vim /etc/passwd


-- 
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
216 Dalton Rd.                          (508) 893-9889 - FAX
Holliston, MA 01746

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

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