[Qt-interest] Qt Assistant freezes when Documentation is opened from the Demos and Examples app

[Robert Hairgrove]

On 01/08/2011 10:17 PM, Robert Hairgrove wrote:
> My system:
> 
> Dell Inspiron 1420n laptop
> Video: Intel Corporation Mobile GM965/GL960 Integrated Graphics
> Controller [8086:2a02] (rev 0c)
> Ubuntu 10.04 (Lucid Lynx) w/ gnome shell
> Qt 4.7.1 opensource, compiled with all default settings + MySQL and
> SQLite plugins
> 
> Has anyone seen this behavior before? I Googled about a little and
can't
> seem to find anything about it. When I open Qt Assistant as a
> stand-alone application, it is very responsive. But if I am browsing
the
> Demos and Examples in the app "qtdemo" and click on the
"Documentation"
> button, Qt Assistant opens and freezes up for a minute or two. After
> that, it seems to behave normally. But switching the application focus
> back to another app (such as a terminal window) and then back to Qt
> Assistant will show a blank window for awhile, then it eventually
> repaints itself. This doesn't happen if qtdemo isn't running.
> 
> Opening qtdemo from a terminal window shows no errors or warning
> messages while this is happening, either.
> 
> So is this a bug in Ubuntu, Gnome, the video driver or in Qt?

Follow-up: In order to get MySQL to install and work properly, I had to
remove AppArmor from the system -- so this probably isn't the cause.