openssh bugs - Feb 2016 - [Bug 2536] New: X11 forwarding slows down client

https://bugzilla.mindrot.org/show_bug.cgi?id=2536

            Bug ID: 2536
           Summary: X11 forwarding slows down client
           Product: Portable OpenSSH
           Version: 7.1p1
          Hardware: Other
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P5
         Component: ssh
          Assignee: unassigned-bugs at mindrot.org
          Reporter: krichter at posteo.de

X11 forwarding slows down Ubuntu 15.10 with Unity desktop whose whole
graphic interface repeatedly becomes unresponsive for seconds if `ssh
-X` or `ssh -X -C` is used. This wasn't the case in previous unknown
versions.

experienced with V_7_1_P1-171-g4c6cb83

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https://bugzilla.mindrot.org/show_bug.cgi?id=2536

Darren Tucker <dtucker at zip.com.au> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dtucker at zip.com.au

--- Comment #1 from Darren Tucker <dtucker at zip.com.au> ---
(In reply to krichter from comment #0)
[...]
> experienced with V_7_1_P1-171-g4c6cb83
that is a version of OpenSSH modified by a third party.  Can you
reproduce the problem with a binary compiled from stock sources from
openssh.com?

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https://bugzilla.mindrot.org/show_bug.cgi?id=2536

--- Comment #2 from krichter at posteo.de ---
>> experienced with V_7_1_P1-171-g4c6cb83
>that is a version of OpenSSH modified by a third party.  Can you
>reproduce the problem with a binary compiled from stock sources from
>openssh.com?
Following http://www.openssh.com/portable.html I cloned
git://anongit.mindrot.org/openssh.git and I run `git fetch --all && git
checkout V_7_1_P1-171-g4c6cb83 and git describe` I get this version
identifier.

I now have _also_ have this issue with (the possibly third party
modified) version 1:7.2p2-1 on Ubuntu 16.04.

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krichter at posteo.de changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |MOVED

--- Comment #3 from krichter at posteo.de ---
Assuming that portable versions ought to be reported outside this
tracker (instructions at http://www.openssh.com/portable.html and
feedback from @DarrenTucker might or might not mean that) I reported
this at https://bugs.launchpad.net/ubuntu/+source/openssh/+bug/1572939
as well (launchpad.net claims to be the official bug tracker for
OpenSSH on Ubuntu).

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Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |CLOSED

--- Comment #4 from Damien Miller <djm at mindrot.org> ---
Close all resolved bugs after 7.3p1 release

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