I wish I could reproduce it, but now I can't.  I've just attached to 6 different machines that used to have the problem and I can reproduce it upon initial connection, but when I exit all of my existing tmux sessions on that server, I can no longer reproduce the problem.  At least I now have a known workaround.  Anything else you want to see if I get one in this state again?


From: Nicholas Marriott <>
To: Michael Garrett <>
Cc: "" <>
Sent: Friday, December 21, 2012 5:07 AM
Subject: Re: tmux mouse not working on one of my machines


So when you split the window and click on a pane nothing happens?

Can you kill run "tmux -Ltest -vvvvv" then do C-b : set -g
mouse-select-pane, split the window once, click a few times to reproduce
the problem, and send me the tmux-server-* log file?

libevent 1.1 is way way too old for tmux or anything else so it might be
worth trying a later version.

On Thu, Dec 20, 2012 at 08:44:57AM -0800, Michael Garrett wrote:
>    I manage a lot of Centos 5.x and 6.x machines.  On at least one of them,
>    (actually a few) I can't get tmux mouse mode to work.  Specifically
>    mouse-select-pane, but probably more.  All of my machines call the same
>    .tmux.conf file out of the same NFS mounted home directory.  That file
>    contains these 4 lines:
>    set -g mode-mouse on
>    set -g mouse-resize-pane on
>    set -g mouse-select-pane on
>    set -g mouse-select-window on
>    The server side machine that mouse-select-pane doesn't work on is called
>    "admin".  It has these properties that I think are pertinent based on info
>    from the main tmux sourceforge page:
>      [mgarrett@admin ~] rpm -qa | grep -i curses
>      ncurses-5.5-24.20060715
>      ncurses-5.5-24.20060715
>      [mgarrett@admin ~] rpm -qa | grep -i libevent
>      libevent-1.1a-3.2.1
>      [mgarrett@admin ~] uname -a
>      Linux admin.mgmt.smoke 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009
>    x86_64 x86_64 x86_64 GNU/Linux
>    One of the many server side machines that it works on is called "cycl01"
>    Here are the same properties:
>      [mgarrett@cycle1 ~] rpm -qa | grep -i curses
>      ncurses-5.5-24.20060715
>      ncurses-5.5-24.20060715
>      <Same as above>
>      [mgarrett@cycle1 ~] rpm -qa | grep -i libevent
>      libevent-1.1a-3.2.1
>      <same as above>
>      [mgarrett@cycle1 ~] uname -a
>      Linux cycle1.mgmt.smoke 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT
>    2009 x86_64 x86_64 x86_64 GNU/Linux
>      <same as above>
>    Most of my testing of this problem is from a client machine (a Mac laptop)
>    running iTerm 2 Build, but I eliminated iTerm as being the
>    problem by running the same mouse-select-pane tests from a native Linux
>    desktop, and it had the same problem on admin and worked on cycl01.
>    What other variables could cause the mouse tools to not work on one server
>    side machine if kernel, ncurses, and libevent are the same?
>    Thanks for your help.
>    -Mike

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