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From:	"Steven Hartland" <killing AT multiplay DOT co DOT uk>
To:	"Dat Head" <dathead2 AT gmail DOT com>, <cygwin AT cygwin DOT com>
References:	<5c01594c0908012012i47410d20ged003a59c74e96c7 AT mail DOT gmail DOT com>
Subject:	Re: 1.5.25: rsync hangs
Date:	Sun, 2 Aug 2009 10:57:18 +0100
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We've always found rsync on cygwin unreliable when used with ssh, so much so
that I wouldn't advise it to anyone. If you can do away with ssh and use daemon
mode then you'll likely have more joy. Alternatively try sfu's version which
apart from the 2GB file limit works well.

    Regards
    Steve

----- Original Message ----- 
From: "Dat Head" <dathead2 AT gmail DOT com>
To: <cygwin AT cygwin DOT com>
Sent: Sunday, August 02, 2009 4:12 AM
Subject: 1.5.25: rsync hangs


> rsync frequently hangs on me in some socket call - this is after i
> have used it before in
> the current session usually.  it is not repeatable on demand - it just
> sometimes gets into
> this state.
> 
> here is the strace output:
> 
>   85  679411 [select_socket] rsync 3588 thread_socket: write_ready
> 14494  680328 [sig] rsync 1844 wait_sig: signalling pack.wakeup 0x654
>  502  680830 [main] rsync 1844 sig_send: returning 0x0 from sending signal -34
>   65  680895 [main] rsync 1844 writev: writev (4, 0x22B610, 1)
> 2464  683359 [main] rsync 1844 writev: 4 = write (4, 0x22B610, 1), errno 0
>   82  683441 [main] rsync 1844 cygwin_select: 6, 0x22A3E0, 0x22A3D8,
> 0x0, 0x22A3D0
>   66  683507 [main] rsync 1844 dtable::select_read:  fd 5
>   32  683539 [main] rsync 1844 cygwin_select: to->tv_sec 60,
> to->tv_usec 0, ms 60000
>   32  683571 [main] rsync 1844 cygwin_select: sel.always_ready 0
> 4230  683641 [main] rsync 3588 select_stuff::wait: m 2, ms 60000
>   40  683681 [main] rsync 3588 select_stuff::wait: woke up.  wait_ret
> 1.  verifying
>   33  683714 [main] rsync 3588 select_stuff::wait: gotone 1
>   31  683745 [main] rsync 3588 select_stuff::wait: returning 0
>   31  683776 [main] rsync 3588 select_stuff::cleanup: calling cleanup routines
>  444  684015 [main] rsync 1844 start_thread_socket: Handle 0x688
>   35  684050 [main] rsync 1844 start_thread_socket: Added to readfds
>   32  684082 [main] rsync 1844 start_thread_socket: exitsock 0x6B8
>   32  684114 [main] rsync 1844 start_thread_socket: stuff_start 0x22A344
> 1226  685002 [main] rsync 3588 socket_cleanup: si 0x10012A98
> si->thread 0x61106F30
>  119  685121 [main] rsync 3588 socket_cleanup: sent a byte to
> exitsock 0x7F0, res -1
>   64  685185 [main] rsync 3588 socket_cleanup: reading a byte from
> exitsock 0x7F0
> 1201  685315 [main] rsync 1844 select_stuff::wait: m 2, ms 60000
>  407  685722 [select_socket] rsync 1844 thread_socket: stuff_start 0x10015B04
> 
> can't recall if it hangs with just simple flags -avx (note, no ssh
> involved, just local copy),
> but it for sure does when i use these:
> 
> RSYNC_MAX_DELETE=${RSYNC_MAX_DELETE:-500}
> RSYNC_MODIFY_WINDOW=${RSYNC_MODIFY_WINDOW:-10}
> 
> set -x
> rsync \
>  --archive \
>  --verbose \
>  --one-file-system \
>  --delete-before \
>  --max-delete=$RSYNC_MAX_DELETE \
>  --itemize-changes \
>  --human-readable \
>  --progress \
>  --modify-window=$RSYNC_MODIFY_WINDOW \
>  --exclude="System Volume Information" \
>  --exclude=Recycled \
>  --exclude="lost+found" \
>  --exclude=RECYCLER \
>  --exclude='*DONOTDELETE*' \
> $source $target
>


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