[Bug 1384503] Re: rsync fails on large files with compression

[David Britton]

After much discussion, this is too risky for an SRU without much more
demonstrated analysis.  It seems more appropriate for a backport.

** Changed in: rsync (Ubuntu Trusty)
   Status: Triaged => Won't Fix

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Re: [Bug 1384503] Re: rsync fails on large files with compression

[Robie Basak]

On Tue, Jan 03, 2017 at 05:00:09AM -, Haw Loeung wrote:
> rsync shipped in Xenial builds with the included zlib (--with-included-
> zlib=yes and -Izlib). Couldn't we SRU a fix doing the same thing as per
> https://bugs.launchpad.net/rsync/+bug/1300367/comments/6?

I am -1 on any SRU that does not come with a comprehensive regression
risk analysis. It's not the patch that is the problem; it is the
consideration of all interoperability permutations that needs to be made
if behaviour in this area is to be changed.

I'm not saying we can't do it; just that we need to carefully consider
what behaviour in what parts of the interoperability matrix we'd be
changing, what the regression risk is for each of those permutations,
and how to mitigate that.

It's not sufficient to say "we did it in Xenial so we can do the same in
Trusty". For example: without testing or analysis, I don't know if your
proposal breaks interoperability between Precise and Trusty when perhaps
that combination works today, or between non-updated Trusty and updated
Trusty.

My example is not exhaustive (testing just my example is not enough).

Remember also that each version combination has two directions, further
exploding the number of permutations to check. It would be OK if an
analysis convincingly collapses some of the permutations, but no such
analysis currently exists, AFAIK.

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[Bug 1384503] Re: rsync fails on large files with compression

[Haw Loeung]

Search for --with-included-zlib in the following build logs:

Zesty - 
https://launchpadlibrarian.net/293687018/buildlog_ubuntu-zesty-amd64.rsync_3.1.2-1_BUILDING.txt.gz
Xenial - 
https://launchpadlibrarian.net/234647228/buildlog_ubuntu-xenial-amd64.rsync_3.1.1-3ubuntu1_BUILDING.txt.gz
Vivid - 
https://launchpadlibrarian.net/234714800/buildlog_ubuntu-vivid-amd64.rsync_3.1.1-3ubuntu0.15.04.1_BUILDING.txt.gz
Trusty - 
https://launchpadlibrarian.net/156027313/buildlog_ubuntu-trusty-amd64.rsync_3.1.0-2_UPLOADING.txt.gz

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[Bug 1384503] Re: rsync fails on large files with compression

[Haw Loeung]

rsync shipped in Xenial builds with the included zlib (--with-included-
zlib=yes and -Izlib). Couldn't we SRU a fix doing the same thing as per
https://bugs.launchpad.net/rsync/+bug/1300367/comments/6?

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[Bug 1384503] Re: rsync fails on large files with compression

[Robie Basak]

Thank you for the test case. Unfortunately Ryan is no longer available
to work on this, so I'll unassign him.

Fixing this is non-trivial. I think any fix has a high risk of
regression, particularly with the permutations of rsync versions that
must interoperate. The full matrix needs to be considered and each
permutation tested. Given that this is a significant amount of work, the
compatibility issue with older versions will die over time, and 16.04
exists, I'm not sure it's worth our time.

This does not preclude any volunteer from taking this on, however.

** Changed in: rsync (Ubuntu Trusty)
 Assignee: Ryan Harper (raharper) => (unassigned)

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[Bug 1384503] Re: rsync fails on large files with compression

[Jon Grimm]

** Changed in: rsync (Ubuntu Trusty)
   Status: Confirmed => Triaged

** Changed in: rsync (Ubuntu Trusty)
   Importance: Undecided => Medium

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[Bug 1384503] Re: rsync fails on large files with compression

[Tom Haddon]

** Changed in: rsync (Ubuntu Trusty)
   Status: Incomplete => New

** Changed in: rsync (Ubuntu Trusty)
   Status: New => Confirmed

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Michael Foley]

Attaching the test data set.

If this doesn't work for some reason it is also available here:
http://people.canonical.com/~foley/lp-bug-1384503-rsync-bad-data.tgz

** Attachment added: "rsync compression error test data set"
   
https://bugs.launchpad.net/ubuntu/+source/rsync/+bug/1384503/+attachment/4782830/+files/lp-bug-1384503-rsync-bad-data.tgz

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Michael Foley]

We have a few servers that are exhibiting this behaviour while copying
backups sets.  I cannot make any of that data available, but have tried
producing some /dev/urandom produced data files that exhibit the error
and have succeeded in getting something I hope is useful.

I discovered by accident while running a loop that generated and rsyncd
test data that interrupting the transfer with ctrl-c produces a failing
test case that works without compression but fails with compression.

I did not test rigorously, but the files do seem to need to be large,
but zero filled seems to be okay.  So the test data files I'm attaching
are zero filled and only the beginning is random data.

Here is a recipe for producing the data
  # note: needs working ssh to localhost, does not error on a local rsync
  # setup for test
  cd ~/
  mkdir source dest
  # create a large file
  dd if=/dev/zero of=source/random-data-0 bs=1M count=1500
  # only need first part of file with random data
  dd if=/dev/urandom of=source/random-data-0 bs=1M count=50 conv=notrunc 
  # copy it once successfully
  rsync -vv -ia --inplace --compress --checksum -P source/ localhost:dest/
  # change the first part of the file with new data
  dd if=/dev/urandom of=source/random-data-0 bs=1M count=50 conv=notrunc
  # copy it again, but break transfer within the first part of file
  # by typing ctrl-c key during this rsync
  rsync -vv -ia --inplace --compress --checksum -P source/ localhost:dest/
  # rsync again should will exhibit error near transfer break point
  rsync -vv -ia --inplace --compress --checksum -P source/ localhost:dest/

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Ryan Harper]

** Description changed:

- Copying large (>10GB) files with rsync -z (compression) leads to a long
- hang and eventual error after transferring part of the file.  The error
- is consistent.  The file copies at normal speed until it reaches its
- maximum size (1.4 GB out of 20 GB for one, 6.9 GB out of 29 GB for
- another).  Then nothing happens for a while (many minutes).  Finally,
- there is an error:
+ [Status]
+ This issue is currently Incomplete.
+ 
+ We're currently blocked on obtaining access to a reliable, and publicly 
+ available dataset that can be shared to reproduce the issue.  The test
+ is critical to being able to evaluate the impact of the change on other
+ users when assessing if the fix can be SRU'ed to trusty.
+ 
+ If you are affected by this bug and can reliably reproduce the issue
+ with a specific dataset that you are willing and permitted to share please
+ comment and specify the dataset location, and how you reproduce the issue.
+ 
+ 
+ [Original Description]
+ Copying large (>10GB) files with rsync -z (compression) leads to a long hang 
and eventual error after transferring part of the file.  The error is 
consistent.  The file copies at normal speed until it reaches its maximum size 
(1.4 GB out of 20 GB for one, 6.9 GB out of 29 GB for another).  Then nothing 
happens for a while (many minutes).  Finally, there is an error:
  
  []
  jh/.VirtualBox/win7/win7.vbox
  jh/.VirtualBox/win7/win7.vbox-prev
  jh/.VirtualBox/win7/win7.vdi
  rsync: [sender] write error: Broken pipe (32)
  rsync error: error in rsync protocol data stream (code 12) at io.c(837) 
[sender=3.1.0]
  
  In this case, 6.9 GB of 29 GB transferred.  Without -z, it works.
  
  See the following upstream report, with a comment at the end from the
  rsync maintainer:
  
  https://bugzilla.samba.org/show_bug.cgi?id=10372
  
  According to this report, version 3.1.0 (included in 14.04) uses a
  different compression package from prior versions.  Prior versions did
  not have this problem for me using the same command on the same systems.
  Both hosts ran Ubuntu 11.10 at the time, and all run 14.04 now, in each
  case with all updates applied, Intel hardware.  Network connection
  between them is gigabit ethernet through one switch.  A shell ssh
  between them in a terminal works and stays up during the failure, so it
  is not a network issue.  There are no relevant entries in syslog on
  either machine.  There is sufficient capacity on the receiving disk.
  All filesystems are ext4.
  
  rsync command:
  
  /usr/bin/rsync -aHSxvz --delete --stats --exclude=lost+found
  --exclude=.gvfs --exclude=/nonlaptop /home/
  backup.host.edu:/bu/host/home/
  
  (yes, I changed the machine names)
  
  Current release (both hosts):
  
  Description:  Ubuntu 14.04.1 LTS
  Release:  14.04
  
  Current package (both hosts):
  
  rsync:
-   Installed: 3.1.0-2ubuntu0.1
-   Candidate: 3.1.0-2ubuntu0.1
-   Version table:
-  *** 3.1.0-2ubuntu0.1 0
- 500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 
Packages
- 500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 
Packages
- 100 /var/lib/dpkg/status
-  3.1.0-2 0
- 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
+   Installed: 3.1.0-2ubuntu0.1
+   Candidate: 3.1.0-2ubuntu0.1
+   Version table:
+  *** 3.1.0-2ubuntu0.1 0
+ 500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 
Packages
+ 500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 
Packages
+ 100 /var/lib/dpkg/status
+  3.1.0-2 0
+ 500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
  
  Thanks,
  
  --jh--

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Alek_A]

I tried  to rsync ubuntu 14.04 and 16.04 and got this error. But this:
> Simply move compression from rsync to ssh: -e "ssh -C"
fixed it! Thanks!

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[Bug 1384503] Re: rsync fails on large files with compression

[Anakan]

Simply move compression from rsync to ssh:  -e "ssh -C"

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[Bug 1384503] Re: rsync fails on large files with compression

[Anakan]

Simply move compression from rsync to ssh:  -e "ssh -C"

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[Bug 1384503] Re: rsync fails on large files with compression

[André Freitas]

I am also suffering from this bug with a 1GB file with the --compress
flag in Ubuntu 14.04 with Rsync 3.1.0. The bug is pretty consistent and
after I removed the compress flag I got no more broken pipes.

I will try to make this bug reproducible with Docker and publish here.

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[Bug 1384503] Re: rsync fails on large files with compression

[André Freitas]

I am also suffering from this bug with a 1GB file with the --compress
flag in Ubuntu 14.04 with Rsync 3.1.0. The bug is pretty consistent and
after I removed the compress flag I got no more broken pipes.

I will try to make this bug reproducible with Docker and publish here.

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[André Freitas]

Hi, I have just published a docker compose stack to test this issue:
https://github.com/NDrive/rsync-compress-bug

Actually, I couldn't reproduce the bug with success. Maybe it only
happens in some certain files.

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[Bug 1384503] Re: rsync fails on large files with compression

[André Freitas]

Hi, I have just published a docker compose stack to test this issue:
https://github.com/NDrive/rsync-compress-bug

Actually, I couldn't reproduce the bug with success. Maybe it only
happens in some certain files.

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Tom Worley]

Hi Andrew,
Installing that version (rsync_3.1.1-3 from the Vivid repo in this case - no 
dependency problems) on the machine initiating (which is also the target) the 
rsync didn't fix it.

However, installing it on the source machine as well seems to have fixed the 
problem.
Regards,
Tom

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[Bug 1384503] Re: rsync fails on large files with compression

[Tom Worley]

Hi Andrew,
Installing that version (rsync_3.1.1-3 from the Vivid repo in this case - no 
dependency problems) on the machine initiating (which is also the target) the 
rsync didn't fix it.

However, installing it on the source machine as well seems to have fixed the 
problem.
Regards,
Tom

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[Bug 1384503] Re: rsync fails on large files with compression

[Tom Worley]

I can confirm I still get this error on Ubuntu 14.04 (all up to date)
rsync: 
Both machines: 3.1.0-2ubuntu0.1


File is a .sql.gz file, 1.5 GB in size, as above, --skip-compress=gz doesn't 
help:

.
dbdump.sql.gz
  0   0%0.00kB/s0:00:00
inflate returned -3 (0 bytes)
rsync error: error in rsync protocol data stream (code 12) at token.c(557) 
[receiver=3.1.0]
rsync: connection unexpectedly closed (4092364 bytes received so far) 
[generator]
rsync error: error in rsync protocol data stream (code 12) at io.c(226) 
[generator=3.1.0]

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[Bug 1384503] Re: rsync fails on large files with compression

[Tom Worley]

I can confirm I still get this error on Ubuntu 14.04 (all up to date)
rsync: 
Both machines: 3.1.0-2ubuntu0.1


File is a .sql.gz file, 1.5 GB in size, as above, --skip-compress=gz doesn't 
help:

.
dbdump.sql.gz
  0   0%0.00kB/s0:00:00
inflate returned -3 (0 bytes)
rsync error: error in rsync protocol data stream (code 12) at token.c(557) 
[receiver=3.1.0]
rsync: connection unexpectedly closed (4092364 bytes received so far) 
[generator]
rsync error: error in rsync protocol data stream (code 12) at io.c(226) 
[generator=3.1.0]

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[Bug 1384503] Re: rsync fails on large files with compression

[Robie Basak]

Sorry Charles, but a patch that is known to work just in one case isn't
really sufficient for an SRU. It is useful and I appreciate your
contribution, but alongside it we need to analyse and understand the
regression risk for other valid use cases. This is the "Regression
Potential" section of the SRU paperwork, together with the SRU
Verification process that is documented. I asked for this in comment #8
in the same bug, but nobody responded.

This isn't unnecessary or bureaucratic red tape. The process is there to
ensure that we do not regress millions of users by trying to fix a bug
that doesn't affect them.

I'm not willing to upload your patch for SRU review because I don't know
what other behaviour it might regress. In order to perform the required
analysis, a complete failure case (which in this case needs the correct
test data for a failure case) would be most useful.

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[Bug 1384503] Re: rsync fails on large files with compression

[Robie Basak]

Sorry Charles, but a patch that is known to work just in one case isn't
really sufficient for an SRU. It is useful and I appreciate your
contribution, but alongside it we need to analyse and understand the
regression risk for other valid use cases. This is the "Regression
Potential" section of the SRU paperwork, together with the SRU
Verification process that is documented. I asked for this in comment #8
in the same bug, but nobody responded.

This isn't unnecessary or bureaucratic red tape. The process is there to
ensure that we do not regress millions of users by trying to fix a bug
that doesn't affect them.

I'm not willing to upload your patch for SRU review because I don't know
what other behaviour it might regress. In order to perform the required
analysis, a complete failure case (which in this case needs the correct
test data for a failure case) would be most useful.

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[Bug 1384503] Re: rsync fails on large files with compression

[Andrew]

Excluding all compression options was not an acceptable solution for me.

What has worked since I initially found this problem back in August was
to install rsync from the utopic repository where the bug was fixed.
That same version (3.1.1-3) is still available in vivid and wily
unchanged as far as I can tell.

Example:

wget http://mirrors.kernel.org/ubuntu/pool/main/r/rsync/rsync_3.1.1-3_amd64.deb
sudo dpkg -i rsync_3.1.1-3_amd64.deb

Or for x86:

wget http://mirrors.kernel.org/ubuntu/pool/main/r/rsync/rsync_3.1.1-3_i386.deb
sudo dpkg -i rsync_3.1.1-3_i386.deb

Problem solved.

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Title:
  rsync fails on large files with compression

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Re: [Bug 1384503] Re: rsync fails on large files with compression

[Jan Groenewald]

Hi

I think this is fixed in future rsync versions. For Ubuntu 14.04, exclude
ALL compression when rsyncing, e.v. chancve -az to -a.

Regards,
Jan

On 11 January 2016 at 12:56, Tom Worley  wrote:

> I can confirm I still get this error on Ubuntu 14.04 (all up to date)
> rsync:
> Both machines: 3.1.0-2ubuntu0.1
>
>
> File is a .sql.gz file, 1.5 GB in size, as above, --skip-compress=gz
> doesn't help:
>
> .
> dbdump.sql.gz
>   0   0%0.00kB/s0:00:00
> inflate returned -3 (0 bytes)
> rsync error: error in rsync protocol data stream (code 12) at token.c(557)
> [receiver=3.1.0]
> rsync: connection unexpectedly closed (4092364 bytes received so far)
> [generator]
> rsync error: error in rsync protocol data stream (code 12) at io.c(226)
> [generator=3.1.0]
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1431709).
> https://bugs.launchpad.net/bugs/1384503
>
> Title:
>   rsync fails on large files with compression
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/rsync/+bug/1384503/+subscriptions
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  rsync fails on large files with compression

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Re: [Bug 1384503] Re: rsync fails on large files with compression

[Jan Groenewald]

Hi

I think this is fixed in future rsync versions. For Ubuntu 14.04, exclude
ALL compression when rsyncing, e.v. chancve -az to -a.

Regards,
Jan

On 11 January 2016 at 12:56, Tom Worley  wrote:

> I can confirm I still get this error on Ubuntu 14.04 (all up to date)
> rsync:
> Both machines: 3.1.0-2ubuntu0.1
>
>
> File is a .sql.gz file, 1.5 GB in size, as above, --skip-compress=gz
> doesn't help:
>
> .
> dbdump.sql.gz
>   0   0%0.00kB/s0:00:00
> inflate returned -3 (0 bytes)
> rsync error: error in rsync protocol data stream (code 12) at token.c(557)
> [receiver=3.1.0]
> rsync: connection unexpectedly closed (4092364 bytes received so far)
> [generator]
> rsync error: error in rsync protocol data stream (code 12) at io.c(226)
> [generator=3.1.0]
>
> --
> You received this bug notification because you are subscribed to a
> duplicate bug report (1431709).
> https://bugs.launchpad.net/bugs/1384503
>
> Title:
>   rsync fails on large files with compression
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ubuntu/+source/rsync/+bug/1384503/+subscriptions
>

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Andrew]

Excluding all compression options was not an acceptable solution for me.

What has worked since I initially found this problem back in August was
to install rsync from the utopic repository where the bug was fixed.
That same version (3.1.1-3) is still available in vivid and wily
unchanged as far as I can tell.

Example:

wget http://mirrors.kernel.org/ubuntu/pool/main/r/rsync/rsync_3.1.1-3_amd64.deb
sudo dpkg -i rsync_3.1.1-3_amd64.deb

Or for x86:

wget http://mirrors.kernel.org/ubuntu/pool/main/r/rsync/rsync_3.1.1-3_i386.deb
sudo dpkg -i rsync_3.1.1-3_i386.deb

Problem solved.

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Robie Basak]

I'd still like to see this fixed, but based on Ryan's comment from when
he investigated this I don't think we can do this without a failure
case. I presume most reporters won't want to share their data publicly.
But we need a failure case in order to make progress.

Until we have one, I'm marking this bug as Incomplete, as I think that
sets a more accurate expectation. If someone can provide us with a
failure case, please do so and we can set the bug back to Triaged.

If you don't want to share the failure case publicly but are willing to
share it with a Canonical engineer then we can probably arrange
something around that. Please get in touch.

Alternatively if someone doesn't want to share the failure case at all
but is willing to prepare a patch and drive the SRU then that's fine,
too. We can believe you if you report success during pre-upload testing
and SRU verification and others who are affected can confirm.

** Changed in: rsync (Ubuntu Trusty)
   Status: Confirmed => Invalid

** Changed in: rsync (Ubuntu Trusty)
   Status: Invalid => Incomplete

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[Bug 1384503] Re: rsync fails on large files with compression

[Robie Basak]

I'd still like to see this fixed, but based on Ryan's comment from when
he investigated this I don't think we can do this without a failure
case. I presume most reporters won't want to share their data publicly.
But we need a failure case in order to make progress.

Until we have one, I'm marking this bug as Incomplete, as I think that
sets a more accurate expectation. If someone can provide us with a
failure case, please do so and we can set the bug back to Triaged.

If you don't want to share the failure case publicly but are willing to
share it with a Canonical engineer then we can probably arrange
something around that. Please get in touch.

Alternatively if someone doesn't want to share the failure case at all
but is willing to prepare a patch and drive the SRU then that's fine,
too. We can believe you if you report success during pre-upload testing
and SRU verification and others who are affected can confirm.

** Changed in: rsync (Ubuntu Trusty)
   Status: Confirmed => Invalid

** Changed in: rsync (Ubuntu Trusty)
   Status: Invalid => Incomplete

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Title:
  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Charles Peters II]

I attempted to SRU a patch almost a year ago.  And that was after two
other people confirmed the patch worked for them.

In reply to my email Alberto Salvia Novella said on Mon, Jan 12, 2015 at 5:14 PM
C Peters:
> https://bugs.launchpad.net/ubuntu/+source/rsync/+bug/1300367
> Can someone nominate this for a SRU?

Done ;)


Please see Comment #6 of bug report 
https://bugs.launchpad.net/rsync/+bug/1300367.  The fixed package has been 
available in my Launchpad PPA since 2014-10-20.

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Charles Peters II]

I attempted to SRU a patch almost a year ago.  And that was after two
other people confirmed the patch worked for them.

In reply to my email Alberto Salvia Novella said on Mon, Jan 12, 2015 at 5:14 PM
C Peters:
> https://bugs.launchpad.net/ubuntu/+source/rsync/+bug/1300367
> Can someone nominate this for a SRU?

Done ;)


Please see Comment #6 of bug report 
https://bugs.launchpad.net/rsync/+bug/1300367.  The fixed package has been 
available in my Launchpad PPA since 2014-10-20.

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[A]

It's an ongoing problem with rsync that's been around for about 10 years
or so.

Compressed files transferred with -z fail on occasion - though once you find a 
file that fails, that file will always fail
I even use --skip-compress=bz2 but that doesn't work either

Last time I got it was ... today.

1.6G -rw-rw-r-- 1 1004 1004 1.6G Dec 14 14:59 log.bz2

Wed Dec 16 07:01:01 AEDT 2015
receiving incremental file list
log.bz2
inflate returned -3 (0 bytes)
rsync error: error in rsync protocol data stream (code 12) at token.c(557) 
[receiver=3.1.0]
rsync: connection unexpectedly closed (163300 bytes received so far) [generator]
rsync error: error in rsync protocol data stream (code 12) at io.c(226) 
[generator=3.1.0]
Wed Dec 16 07:02:01 AEDT 2015

Same LTS version as above post

rsync:
  Installed: 3.1.0-2ubuntu0.1
  Candidate: 3.1.0-2ubuntu0.1
  Version table:
 *** 3.1.0-2ubuntu0.1 0
500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 
Packages
500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 
Packages
100 /var/lib/dpkg/status
 3.1.0-2 0
500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[A]

It's an ongoing problem with rsync that's been around for about 10 years
or so.

Compressed files transferred with -z fail on occasion - though once you find a 
file that fails, that file will always fail
I even use --skip-compress=bz2 but that doesn't work either

Last time I got it was ... today.

1.6G -rw-rw-r-- 1 1004 1004 1.6G Dec 14 14:59 log.bz2

Wed Dec 16 07:01:01 AEDT 2015
receiving incremental file list
log.bz2
inflate returned -3 (0 bytes)
rsync error: error in rsync protocol data stream (code 12) at token.c(557) 
[receiver=3.1.0]
rsync: connection unexpectedly closed (163300 bytes received so far) [generator]
rsync error: error in rsync protocol data stream (code 12) at io.c(226) 
[generator=3.1.0]
Wed Dec 16 07:02:01 AEDT 2015

Same LTS version as above post

rsync:
  Installed: 3.1.0-2ubuntu0.1
  Candidate: 3.1.0-2ubuntu0.1
  Version table:
 *** 3.1.0-2ubuntu0.1 0
500 http://us.archive.ubuntu.com/ubuntu/ trusty-updates/main amd64 
Packages
500 http://security.ubuntu.com/ubuntu/ trusty-security/main amd64 
Packages
100 /var/lib/dpkg/status
 3.1.0-2 0
500 http://us.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Magnus Lubeck]

I also have run into this issue on a 3.1.0-2ubuntu0.1 rsync.

maglub@XXX:~$ cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.3 LTS"

Can't do a "apport-collect 1384503", as I don't have a browser available
on this system. What other information can I supply to help?

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Magnus Lubeck]

I also have run into this issue on a 3.1.0-2ubuntu0.1 rsync.

maglub@XXX:~$ cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.3 LTS"

Can't do a "apport-collect 1384503", as I don't have a browser available
on this system. What other information can I supply to help?

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Andrew]

I just found this report myself. I've been experiencing the problem for
a while but had to rule out other causes. This is a pretty serious bug
in an LTS release.

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[Bug 1384503] Re: rsync fails on large files with compression

[Andrew]

I just found this report myself. I've been experiencing the problem for
a while but had to rule out other causes. This is a pretty serious bug
in an LTS release.

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Ryan Harper]

I've attempted to reproduce this issue but I've not been able to at this
point with stock 14.04 rsync versions between two 14.04 (up-to-date)
systems.  It may be highly dependent on the actual data; if you can
reproduce this with something publicly available (like a large iso
catted together multiple times or something else that I can create bit-
for-bit); that'd help me narrowing down the fix.

Could someone who can reproduce this issue please run  apport-collect
1384503 so I can get more information from the systems where you can
reproduce?

W.r.t 3.1.1, we cannot backport the newer package into Trusty, see
https://wiki.ubuntu.com/StableReleaseUpdates for the policy and
rationale.

However, I will take a look at the changes in 3.1.1 to enable the new-
style compression as well as the logic to detect when there is a
mismatch;  If that patchset is small and sane, we may be able to SRU
just that change to fix this issue in Trusty.

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Ryan Harper]

I've attempted to reproduce this issue but I've not been able to at this
point with stock 14.04 rsync versions between two 14.04 (up-to-date)
systems.  It may be highly dependent on the actual data; if you can
reproduce this with something publicly available (like a large iso
catted together multiple times or something else that I can create bit-
for-bit); that'd help me narrowing down the fix.

Could someone who can reproduce this issue please run  apport-collect
1384503 so I can get more information from the systems where you can
reproduce?

W.r.t 3.1.1, we cannot backport the newer package into Trusty, see
https://wiki.ubuntu.com/StableReleaseUpdates for the policy and
rationale.

However, I will take a look at the changes in 3.1.1 to enable the new-
style compression as well as the logic to detect when there is a
mismatch;  If that patchset is small and sane, we may be able to SRU
just that change to fix this issue in Trusty.

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Robie Basak]

** Changed in: rsync (Ubuntu)
 Assignee: (unassigned) = Ryan Harper (raharper)

** Also affects: rsync (Ubuntu Trusty)
   Importance: Undecided
   Status: New

** Changed in: rsync (Ubuntu)
   Status: Confirmed = Fix Released

** Changed in: rsync (Ubuntu Trusty)
   Status: New = Confirmed

** Changed in: rsync (Ubuntu Trusty)
 Assignee: (unassigned) = Ryan Harper (raharper)

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[Bug 1384503] Re: rsync fails on large files with compression

[Robie Basak]

** Changed in: rsync (Ubuntu)
 Assignee: (unassigned) = Ryan Harper (raharper)

** Also affects: rsync (Ubuntu Trusty)
   Importance: Undecided
   Status: New

** Changed in: rsync (Ubuntu)
   Status: Confirmed = Fix Released

** Changed in: rsync (Ubuntu Trusty)
   Status: New = Confirmed

** Changed in: rsync (Ubuntu Trusty)
 Assignee: (unassigned) = Ryan Harper (raharper)

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  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Kevin_Traas]

Just discovered this bug report - after fighting with hanging backup
scripts that have worked for years, but broke after upgrading to 14.04.
I agree with Joe.  Can't 3.1.1-2 be back-ported to 14.04 LTS?

This bug has now been open for just shy of 8 months

Thanks,
Kevin

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[Bug 1384503] Re: rsync fails on large files with compression

[Kevin_Traas]

Just discovered this bug report - after fighting with hanging backup
scripts that have worked for years, but broke after upgrading to 14.04.
I agree with Joe.  Can't 3.1.1-2 be back-ported to 14.04 LTS?

This bug has now been open for just shy of 8 months

Thanks,
Kevin

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[Bug 1384503] Re: rsync fails on large files with compression

[Joe Harrington]

This is a relief, and thanks for giving your attention to this bug.
Utopic has 3.1.1-2. Can it be pushed as an update to 14.04?

Thanks!

--jh--

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[Bug 1384503] Re: rsync fails on large files with compression

[Joe Harrington]

This is a relief, and thanks for giving your attention to this bug.
Utopic has 3.1.1-2. Can it be pushed as an update to 14.04?

Thanks!

--jh--

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[Bug 1384503] Re: rsync fails on large files with compression

[Gerald Villemure]

I installed rsync_3.1.1-2_amd64.deb from the vivid repo.

It installed without issue on trusty and, fortunately, resolves this
major bug.

Gerald

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[Bug 1384503] Re: rsync fails on large files with compression

[Gerald Villemure]

I installed rsync_3.1.1-2_amd64.deb from the vivid repo.

It installed without issue on trusty and, fortunately, resolves this
major bug.

Gerald

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https://bugs.launchpad.net/bugs/1384503

Title:
  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: rsync (Ubuntu)
   Status: New = Confirmed

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https://bugs.launchpad.net/bugs/1384503

Title:
  rsync fails on large files with compression

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[Bug 1384503] Re: rsync fails on large files with compression

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: rsync (Ubuntu)
   Status: New = Confirmed

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You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1384503

Title:
  rsync fails on large files with compression

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/rsync/+bug/1384503/+subscriptions

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