This has been fixed in 8-19 which is in Ubuntu Saucy:
unclutter (8-19) unstable; urgency=low
* Add patch by Tao Nelson to fix blinking pointer and 100% CPU usage
with GTK applications. (Closes: #266118) Thanks Tao!
* Bump debhelper compatibility to 9 to ease hardening build flags
+ Update versioned debhelper build-dependency to >= 9~.
* Add patch to properly pass $LDFLAGS (fixes lintian warning
hardening-no-relro) and $CFLAGS (fixes blhc warning)
* Add patch to fix lintian warning hyphen-used-as-minus-sign.
* Bump Standards-Version to 3.9.4 (no changes)
* Fix grammar in README.source.
-- Axel Beckert <[email protected]> Thu, 02 May 2013 02:15:08 +0200
** Bug watch added: Debian Bug tracker #266118
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=266118
** Also affects: unclutter (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=266118
Importance: Unknown
Status: Unknown
** Changed in: unclutter (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/385034
Title:
unclutter: cursor flashes repeatedly over GTK apps., takes 100% CPU
Status in “unclutter” package in Ubuntu:
Fix Released
Status in “unclutter” package in Debian:
Unknown
Bug description:
Binary package hint: unclutter
Ubuntu 9.04
unclutter Installed: 8-9
What is expected:
Cursor should disappear and stay gone when mouse is idle for a
specified time.
What happened instead:
unclutter works as expected in many cases, e.g. when pointing at a web
browser display window in Firefox. But it seems that in many GTK
applications, pointing the cursor at a blank area of the app causes
the cursor to flutter/blink/flash very quickly off and on after the
specified -idle time. Not only does the cursor flutter, but Xorg
begins to take up ~50% of CPU capacity on my 2.4 GHz P4 (according to
xosview and top). Qt applications seem unaffected. Shaking the mouse
causes the cursor to reappear normally and not flash, and CPU usage to
go back to ~0%. But as soon as the idle period is over, the cursor
begins to flash again.
An example of an app. that consistently exhibits the flashing cursor
behavior is Open Office word processor--point to a blank document
window, or to an empty spot on the menubar, and the cursor begins
flashing. However, I have seen this behavior in many other GTK apps,
not just Open Office. I see that gcalctool
(Applications->Accessories->Calculator), for example, also exhibits
the behavior. gcalctool + unclutter causes 100% CPU usage (about 50%
user and 50% system) between gcalctool, metacity, and Xorg, according
to top and xosview. To see the behavior, point the cursor at a
_blank_ area of the widget canvas; pointing it at one of the number
keys, for example, does not show the behavior.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/unclutter/+bug/385034/+subscriptions
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