Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Subject: Re: rsync hangs (v2.6.2-1 on both Cygwin and Fedora) From: "Clif J. Smith" To: "Patrick J. LoPresti" Cc: cygwin@cygwin.com In-Reply-To: References: <1090648090.16554.142.camel@centipede.int.cjs226.com> Content-Type: text/plain Message-Id: <1090774283.3602.6.camel@centipede.int.cjs226.com> Mime-Version: 1.0 Date: Sun, 25 Jul 2004 11:51:23 -0500 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes On Sun, 2004-07-25 at 11:22, Patrick J. LoPresti wrote: > "Clif J. Smith" writes: > > > I'm trying to rsync data from a WinXP system running Cygwin to a Fedora > > Core 2 system. When running the following command from my Fedora > > system, it'll build a file list for a while, but never actually sync > > anything and complete: > > # /usr/bin/rsync -avvvv --delete --numeric-ids --rsh=/usr/bin/ssh \ > > system@foo.bar.com:/cygdrive/d/directory/ /fs1/directory/ > > > > It never hangs at the same spot. I can rsync to other Linux and > > Solaris systems without issue. I never see an error, it just > > hangs... > > You may be seeing the classic "cygwin rsync hang" problem: > > http://www.cygwin.com/ml/cygwin/2003-10/msg01807.html > > The problem arises because Cygwin's select() indicates "OK to write" > on pipes even when the pipe is full and the write will block. The > write blocks even though the pipe is flagged O_NONBLOCK. > > Bob Byrnes, who did the diagnosis above (and who is a coworker of > mine) has patched our local copy of Cygwin to implement proper > select() for writing on pipes, as well as to fix some other hangs. He > is working on getting the patches and documentation into shape for > submission. > > - Pat Thanks for the insight and I anxiously await the patch! cjs -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/