[tmux] Notifications freeze after some time

Okay, I think this should be fixed with the changes made for Bug #872551, moving the cache to /dev/shm. Could you retest with 4.43?

This bug was fixed in the package byobu - 4.43-0ubuntu1

---------------
byobu (4.43-0ubuntu1) precise; urgency=low

  [ Dustin Kirkland ]
  * usr/bin/byobu, usr/lib/byobu/ip_address, usr/share/man/man1/byobu.1:
    - support IP_EXTERNAL fetching, LP: #873736
    - put ip address in the terminal title bar, since we ran out of room
      for it in tmux
  * usr/bin/byobu-select-session: LP: #869390
    - fix select session to obey BYOBU_BACKEND
  * configure.ac, usr/bin/Makefile.am: LP: #869377
    - provide byobu-tmux and byobu-screen symlinks
  * configure.ac, README: LP: #861291
    - configure should not change files under vcs control
    - compiling users need to ensure that BYOBU_PREFIX is set in
      their environment
  * usr/bin/byobu-launcher-install, usr/bin/byobu-launcher-uninstall:
    - LP: #861534
    - ensure launcher command removed from each file before installing
  * usr/lib/byobu/.dirs:
    - use /dev/shm for cache, LP: #872551, #869279
    - search and use a shared dir when possible
  * usr/lib/byobu/battery: LP: #851100
    - rework the battery logic to use /sys instead of /proc
  * usr/share/man/man1/byobu.1: LP: #713879
    - note too many files open ulimit error in documentation

  [ Daniel Hahler ]
  * usr/bin/byobu, usr/bin/byobu-launcher-install, usr/bin/byobu-
    launcher-uninstall: Use BYOBU_PREFIX explicitly, LP: #861302
  * debian/rules, README: LP: #854868
    - refactor autoconf into debian/rules

  [Scott Moser]
  * usr/lib/byobu/.shutil: fix rounding error in fpdiv, LP: #869282
 -- Dustin Kirkland <email address hidden> Fri, 21 Oct 2011 13:43:57 -0500