On Thu, May 14, 2015 at 12:17 PM,  <fred AT damen DOT org> wrote:
> On Thu, May 14, 2015 11:46 am, Les Mikesell wrote:
> ...
>> So far the only thing we know for sure is that you get a sigpipe - and
>> that just means that the other end of the connection has exited or the
>> tcp connection is broken.  Nothing makes much sense yet about the
>> underlying reason.
> You have hit on the root of my conundrum.  Rsync on the backuped-up client
> does not seem to want to write log messages to the log, (it is able to create
> the log file, albeit empty), and there is no discernible reason on the
> BackupPC server as to why the connection is broken.  I am grabbing at straws
> here.

Others have had problems with firewall/gateway timeouts which is why I
grasped at that straw first - after seeing about an hour time passing
in your log before the sigpipe.   If you have time to babysit you
might try running tcpdump or wireshark with a filter of 'host
IP_of_client' filter just to see if there is any traffic happening in
the time close to the failure.

> Any guesses as to why log messages are not showing up in the log file on the
> client.  I would expect at least a version message when rsync is started as a
> service or upon start of a transfer.
> 1) rsync appears to have write access to the log file.
> 2) Used cygwin install program to install rsync and all dependencies.

Services have an associated login - check to see if it is what you
expect and that it does have write access.   And rsync may want
cygwin-style paths (/cygdrive/c/) instead of drive letters in the log
file name.

-- 
  Les Mikesell
     lesmikesell AT gmail DOT com

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