This bug was fixed in the package unity - 7.4.5+16.04.20180221-0ubuntu1
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unity (7.4.5+16.04.20180221-0ubuntu1) xenial; urgency=medium
* Unity use track_obj to safely connect to UScreen and Settings
signals (LP: #1748330) (LP: #1748330)
* CairoBaseWindow: don't try to
Tested
apt-cache policy unity
unity:
Installed: 7.4.5+16.04.20180221-0ubuntu1
Candidate: 7.4.5+16.04.20180221-0ubuntu1
Can't reproduce this crash again.
** Tags removed: verification-needed verification-needed-xenial
** Tags added: verification-done verification-done-xenial
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You
** Summary changed:
- Changing monitor configurations after changing lowgfx mode could lead to a
crash
+ Changing monitor configurations after changing lowgfx mode could lead to a
HudControl crash
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