Public bug reported:
Binary package hint: compiz
Using Intrepid as of an hour ago upgraded from Hardy. If I enable
compiz and then run xemacs and then maximize xemacs, the entire desktop
becomes pretty much useless. One entire screen of my dual screen setup
grayed out in the way that compiz does to unresponsive programs and then
I couldn't click anywhere or move any window. Only going to a console
and killing compiz.real solved the problem. top showed X using most of
the CPU (~75%) followed by compiz ~15% and xemacs ~7%. It should not be
possible to hang the entire desktop like this.
The single most likely cause is an issue in xemacs. Basically it always
wants to resize to a multiple of the size of a character whereas the
window manager wants it to be the width the screen. The two programs
then have a battle over what the size should be. Bug #3982 from 2.5
years covers this issue in xemacs itself, which still isn't fixed in
xemacs-intrepid.
This bug report is that compiz makes a bad situation worse by
effectively disabling the entire desktop even though it is only one
program that is misbehaving.
** Affects: compiz (Ubuntu)
Importance: Undecided
Status: New
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[intrepid] xemacs with compiz hangs entire desktop
https://bugs.launchpad.net/bugs/284729
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