Public bug reported:
I'm using Lubuntu 12.10 in a VirtualBox VM.
Run Software Updater. When the main window opens, click the Settings...
button at the bottom left. The settings window takes several seconds to
appear, and other than the main window contents being greyed out, there
is no indication that anything is happening. (The CPU appears to be
maxed-out until the settings window opens, so the delay would probably
be much longer on slower machines.)
It would be good if a busy mouse pointer could be set, so the user knows
something is happening, instead of possibly thinking that Software
Updater has hung/locked up.
Each time you click Settings... there is the same long delay while the CPU is
maxed-out doing whatever it's doing. Would it be possible to cache whatever is
being calculated in order to open the settings window? Then if the user selects
Settings... again in the same session, the settings window could appear almost
immediately.
Another optimisation could be made for the delay after the user
dismisses the settings window. If you close the settings window without
making any changes, the CPU is again maxed-out for a few seconds before
the Software Updater window is un-greyed-out. Since no changes were
made, it should be possible for the Software Updater window to
immediately become responsive in that case.
** Affects: update-manager (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1073728
Title:
Software Updater settings window takes long time to open with little
user feedback
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