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Binary package hint: thunderbird
Thunderbird has generally become very slow in Xubuntu Karmic Beta.
* Bringing Thunderbird to the foreground or sending it to the background takes
2-3 seconds. Switching between other applications is slightly delayed when a
part of Thunderbird's window is visible.
* Opening a new message takes 4-5 seconds before it reacts to keyboard input
* Even simple message boxes (like the one that asks you if you want to save a
message you're closing) take 2-3 seconds to appear.
* Sometimes (but not always), when bringing Thunderbird to the foreground, the
message list or the contents of a message will appear, then disappear and load
again.
* Sometimes (but not always) typing is slow when not at the end of the
paragraph. Characters are displayed with a delay of 1-2 seconds.
Switching between other applications (OpenOffice, Xfce4-terminal,
Thunar, Firefox...) is lightning fast, as usual in Xubuntu. In Jaunty or
any previous version I ever used, Thunderbird did never have that
problem.
Hardware: IBM Laptop Thinkpad T42, ~1.7 GHz, 700something MB RAM (usage
during the test <50%), 3GB swap (only a couple of MB used during the
test).
CPU load gets very high when switching from/to Thunderbird. The Xorg
process (not thunderbird-bin!) uses 80-90% for several seconds. This is
not at all the case when using other applications.
Anything I can do to help you find the cause?
ProblemType: Bug
Architecture: i386
Date: Sun Oct 11 14:38:56 2009
DistroRelease: Ubuntu 9.10
Package: mozilla-thunderbird (not installed)
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-12.41-generic
SourcePackage: thunderbird
Uname: Linux 2.6.31-12-generic i686
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: apport-bug i386
--
Karmic: Thunderbird&Xorg hog CPU
https://bugs.launchpad.net/bugs/448678
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