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Date: Sun, 14 Jun 2009 14:38:32 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: LFTP issue
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On Jun 14 14:29, Corinna Vinschen wrote:
> On Jun 14 07:39, Chris Sutcliffe wrote:
> > > Thanks for the strace.  This + our irc chat allowed me to duplicate the
> > > problem.  It should be fixed in the next snapshot which is building now.
> > 
> > Thank you!  Using the "cygwin1-20090614.dll.bz2" snapshot, I don't see
> > the hang that I was seeing before.  However, when doing a "ls | grep
> > <string>" or "ls | less" on the large directory (2000 items), I now
> > see the results duplicated 530 times.
> 
> I can reproduce this if the remote dir is big enough, just the numbers
> are different.  In one dir with < 500 files it works fine, in another
> dir with > 3000 files I get between 70 and 120 repetitions.
> 
> And I have another weird effect:
> 
>   $ lftp server
>   lftp server:>cd large-dir
>   cd ok, cwd=/large-dir
>   lftp server:/large-dir>ls | less
>   ls: less: Permission denied
>   lftp server:/large-dir>ls | less
>   ls: less: Permission denied
>   lftp server:/large-dir>ls | less
>   ls: less: Permission denied
>   lftp server:/large-dir>ls | less
>   ls: less: Permission denied
>   lftp server:/large-dir>ls | less
>   [...works...]
> 
> I can reproduce this with a very high probability.  4 or 5 or 10 times
> in a row it fails.  Then, as soon as the first `ls | less' call
> succeeds, all subsequent calls succeed as well.  Calling just `ls' once,
> helps, too.
> 
> Unfortunately I can't reproduce it when running under strace.  In that
> case `ls | less' already succeeds the first time, every time I try it :(

[...] and afterwards, all the `less' processes from the failed
attempts are still in memory, even after exiting from lftp.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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