More things I have noticed.
1. I have a suspicion that this bug isn't in xorg-server, just that
xorg-server is allocating too much memory on behalf of e.g. compiz.
2. When running anki under gnome-shell, it won't always cause xorg to run out
of memory. But there is still a strange problem. The anki window is really
large and there is nothing drawn inside the frame. Anki seems to request a very
large window. I get this message from anki:
=======================
QWidget::setMinimumSize: (MainWindow/AnkiQt) The largest allowed size is
(16777215,16777215)
=======================
I get this output from gnome-shell:
=======================
Window manager warning: Screen 0 on display ":0.0" already has a window
manager; try using the --replace option to replace the current window manager.
vicki@acer:~$ gnome-shell --replace
JS ERROR: !!! Exception was: TypeError: this._workspaces is undefined
JS ERROR: !!! lineNumber = '804'
JS ERROR: !!! fileName =
'"/usr/share/gnome-shell/js/ui/workspacesView.js"'
JS ERROR: !!! stack = '"([object _private_Meta_Screen],[object
_private_GLib_ParamSpec])@/usr/share/gnome-shell/js/ui/workspacesView.js:804
_checkWorkspaces()@/usr/share/gnome-shell/js/ui/main.js:260
"'
JS ERROR: !!! message = '"this._workspaces is undefined"'
Window manager warning: Invalid WM_TRANSIENT_FOR window 0x320000f specified for
0x320000d (anki).
Window manager warning: Window 0x3200039 (Anki) sets an MWM hint indicating it
isn't resizable, but sets min size 16383 x 16383 and max size 2147483647 x
2147483647; this doesn't make much sense.
Window manager warning: Log level 16: Native children wider or taller than
65535 pixels are not supported
=======================
So it seems like gnome-shell handles the large window better than unity.
At least it doesn't always bring down the system.
3. Anki works fine under metacity.
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https://bugs.launchpad.net/bugs/843265
Title:
xorg quickly eats all memory
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