Summary: on reinstall on same CPU/motherboard/etc (only storage
changed), bug no longer observed.
Hello,
After observing problems on the main storage of the laptop where the bug
was observed, I bought a new storage and installed Ubuntu 16.04 from
scratch on the new storage but the same laptop.
Surprisingly, this bug **no longer happens**, but another one happens
instead, which is much less of a problem. The new bug symptom is: after
lock/unlock, the mouse pointer no longer appears. Mouse features
actually work, as one can see hover effects on buttons and menu items,
semi-blindly click, etc. An efficient workaround is to press Ctrl-
Alt-F1 then Ctrl-Alt-F7, and voilĂ mouse pointer is back again.
LC_ALL=C lshw -c video 2>/dev/null | grep configuration
configuration: driver=nouveau latency=0
configuration: driver=i915 latency=0
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https://bugs.launchpad.net/bugs/1547077
Title:
Suspend to ram causes some glyphs to draw consistently wrong or even
appear blank in gtk/gdk/pango/cairo apps. xterm/xmessage unaffected.
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