I actually fixed this. It was caused by a by _last_monitor being
uninitialized. So if you somehow managed to right click the LauncherIcon
before LauncherIcon::RecvMouseEnter went off. This is because when you
right click the icon it calls OpenQuicklist() and it uses the default
values (monitor = -1). Then in OpenQuicklist() if monitor < 0 it uses
_last_monitor which if it is uninitialized cause all those huge numbers
in the stacktrace. Then CRASH!
This is why it was extremely hard to reproduce, I messed up a branch
where I removed the mouse enter callback signal; so it was happening
every time.
** Changed in: unity
Assignee: (unassigned) => Brandon Schaefer (brandontschaefer)
** Changed in: unity (Ubuntu)
Assignee: (unassigned) => Brandon Schaefer (brandontschaefer)
** Branch linked: lp:~unity-team/unity/fixes.unityshell-overlay
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https://bugs.launchpad.net/bugs/954736
Title:
compiz crashed with SIGSEGV in nux::Rect::Rect() from
unity::launcher::LauncherIcon::OpenQuicklist() from RecvMouseDown()
from unity::launcher::LauncherIcon::RecvMouseDown()
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