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Re: [Qemu-commits] [COMMIT 850810d] Improve error reporting on file acce

From: malc
Subject: Re: [Qemu-commits] [COMMIT 850810d] Improve error reporting on file access
Date: Tue, 6 Oct 2009 02:04:23 +0400 (MSD)

On Mon, 5 Oct 2009, Anthony Liguori wrote:

> Gerd Hoffmann wrote:
> > On 10/05/09 22:46, Anthony Liguori wrote:
> > 
> > > > The neat being that some of the conditions under which this code runs
> > > > do set errno while others have nothing to do with it..
> > 
> > > Yeah but I figured that a bad errmsg is more useful than nothing.
> > 
> > You mean those funny things like "open $file failed: Success"?
> > Not so funny in case the errno string is plausible but wrong.
> When all you have is an error message to try and do some postmortem, even if
> you know the error message may not be accurate, it at least gives you a little
> bit more information.

Question is of what use is completely bogus information? Might send
someone on the life long search for the problem which isn't there.


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