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Date: Sat, 28 Jul 2007 18:09:29 -0400
From: "Joel Harrison" <harr2969 AT gmail DOT com>
To: cygwin AT cygwin DOT com
Subject: rysnc under cygwin hangs and doesn't clean up its processes - please help - cygwin 1.5.24-2,
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Background - I'm trying to turn off my linux box and save some
electricity by using rsync on windows to do my geographically
redundant backup to my ISP (site5 - $5/110GB/mo) ... I'd rather not
load up a resource hog VM to do it if I can avoid that... even DSL
would be more of a resource hog than cygwin.

Technical: rsync on cygwin always hangs. Works fine on CentOS. I've
been looking into this issue for 5-10 hours so far.

I can scp/ssh fine to the target with ssh keys installed or not, only
rsync hangs. I read about piping issues in rsync on cygwin from years
back, but it seems to me like perhaps they are not resolved? Just my
hypothesis.

17:28:34 [~] $ rsync -vvvvvvvvvv -a ReleaseNotes.zip joe AT domain DOT com:
cmd= machine=domain.com user=joe path=
cmd=ssh -l joe  domain.com rsync --server -vvvvvvvvvvlogDtpr .
opening connection using ssh -l joe domain.com rsync --server
-vvvvvvvvvvlogDtpr .

<^^^^^^----Freezes until control-c is pressed, then spews below error


_exit_cleanup(code=20, file=/home/lapo/packaging/tmp
/rsync-2.6.6/rsync.c, line=163): entered
rsync error: received SIGUSR1 or SIGINT (code 20) at
/home/lapo/packaging/tmp/rsync-2.6.6/rsync.c(163)
_exit_cleanup(code=20, file=/home/lapo/packaging/tmp/rsync-
2.6.6/rsync.c, line=163): about to call exit(20)

Doesn't seem to make a difference if I add -e ssh. (seems to use ssh
by default?)

-------------------------
Related issue - rsync and ssh both hang threads indefinitely and I
can't kill them in cygwin. (see below.. rsync threads show only in
taskman)

17:48:15 [~] $ ps -e
      PID    PPID    PGID     WINPID  TTY  UID    STIME COMMAND
     3408       1    3408       3408    ?   18 14:34:51 /usr/bin/cygrunsrv
     1588    3408    1588       3008    ?   18 14:34:51 /usr/sbin/sshd
I     208       1     208        208  con 1003 16:56:01 /usr/bin/bash
     3484       1    3484       3484    0 1003 17:21:16
/cygdrive/c/Program Files/cygwin/bin/rxvt
     3960    3484    3960       2200    1 1003 17:21:16 /usr/bin/bash
     2768       1    2760       3204    1 1003 17:21:24 /usr/bin/ssh
     4032       1    3872       2712    1 1003 17:21:34 /usr/bin/ssh
     2500       1    2932       3244    1 1003 17:27:57 /usr/bin/ssh
     3788       1    2360       3164    1 1003 17:28:32 /usr/bin/ssh
     3652       1    3216       2356    1 1003 17:28:38 /usr/bin/ssh
     4040    3960    4040        260    1 1003 17:48:16 /usr/bin/ps
17:48:16 [~] $ kill 2768
bash: kill: (2768) - Resource temporarily unavailable
17:48:59 [~] $ kill -f 2768
bash: kill: f: invalid signal specification
17:49:02 [~] $ kill -9 2768
bash: kill: (2768) - Resource temporarily unavailable

--------------

Thanks for any help!
--Joel

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