*** This bug is a duplicate of bug 34501 ***
https://bugs.launchpad.net/bugs/34501
This affects me too. Using Ubuntu 11.10 32-bit, GNOME fallback session,
on a Sony VAIO 2.2 GHz, 2 GB RAM. Seems to happen more frequently when
CPU load is high, but also happens when no GUI apps besides the desktop
session are running. I'm using a generic external USB mouse ("ValuMouse
Optical, Model # K64381"). It doesn't seem to matter whether I plug it
directly into the computer or whether it's going through a USB hub.
Commenting here because this NEVER happens with the built-in trackpad.
If I didn't hate using a trackpad so much, I'd stop using the mouse
entirely.
I see this as being a SERIOUS PROBLEM. Not only does it break the user's
fundamental expectation of mouse responsiveness and expose really
annoying underlying problems, but having the mouse suddenly stop
functioning has really, really problematic consequences at certain
times. For instance, when it happens while trying to drag a message from
my Thunderbird in-box to a folder, if the mouse stops functioning while
I'm dragging it past another folder name, Thunderbird happily assumes
that I actually let go of the button over the other folder. Which, if
not noticed, breaks my ability to manage my email effectively. Similar
problems (desktop manager assumes I let up on the button when the mouse
stops responding) apply to basically every application that uses
dragging as part of its user interface.
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https://bugs.launchpad.net/bugs/658538
Title:
mouse cursor lags
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