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Subject: Re: Continued rsync failures
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From: Brent Epp <brent AT pdc DOT ca>
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Date: Sat, 8 May 2021 10:03:27 -0500
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Sorry, my silly mail client doesn't reply to the list by default.

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

It might be worth noting that these rsync commands run using an 
on-demand script to manage sync jobs.  Generally, it will execute rsync 
once with `--dry-run` to gather a list of files for me to preview:

rsync -avi --progress --no-perms --no-owner --no-group --delete 
--dry-run -s --exclude-from='/cygdrive/d/my/exclusion/file' 
--exclude-from='/cygdrive/d/my/additional/exclusion/file' 
/cygdrive/d/path/to/source'/. '/cygdrive/d/path/to/target'

trace file: http://cygtestdata.ddnsfree.com/strace.exec1.out

Then it can run rsync a consecutive time:

rsync -avi --progress --no-perms --no-owner --no-group --delete -s 
--exclude-from='/cygdrive/d/my/exclusion/file' 
--exclude-from='/cygdrive/d/my/additional/exclusion/file' 
/cygdrive/d/path/to/source'/. '/cygdrive/d/path/to/target'

trace file: http://cygtestdata.ddnsfree.com/strace.exec2.out

Thanks
  - Brent

On 2021-05-07 13:09, Ken Brown via Cygwin wrote:
> On 5/7/2021 12:43 PM, Brent Epp wrote:
>> Hello,
>>
>> I've reported this in the past, but I cannot reliably use rsync. This 
>> is a *local* synchronization between two Windows directories.  It 
>> seems that after a number of executions (a few dozen, maybe?), it 
>> just stops working and reports errors:
>>
>>     rsync: connection unexpectedly closed (185 bytes received so far) 
>> [generator]
>>     rsync error: error in rsync protocol data stream (code 12) at 
>> io.c(228) [generator=3.2.4dev]
>>     rsync: connection unexpectedly closed (0 bytes received so far) 
>> [sender]
>>     rsync error: error in rsync protocol data stream (code 12) at 
>> io.c(228) [sender=3.2.4dev]
>>
>> I have upgraded to the latest version of cygwin as of this morning 
>> and the problem persists.  I have no software on the BLODA list and I 
>> have tried with all security software disabled.
>>
>> The only thing I can do is wait for a period of time (never timed it, 
>> but 10-20 minutes or so), which is immensely frustrating, as I am 
>> heavily dependent on it for work.
>>
>> How can get I this working once and for all?
>
> Please run the failing rsync command under strace, like this:
>
>   strace -o strace.out rsync....
>
> Then post the output file strace.out somewhere where others can look 
> at it.
>
> Ken
>

-- 
Brent Epp

E-Mail:    brent AT pdc DOT ca
Web site:  www.pdc.ca/it
Call/Text: (204) 304-9057


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