I updated to Mint 18.2 Cinnamon today have no problems with calibre 3.2.1.
I suspect that the posters having problems are using NVIDIA graphics card, or the legacy Intel display driver that is no longer supported.
bernie
Spoiler:
Code:
SDA ~ $ calibre-debug -g
calibre 3.2.1 embedded-python: True is64bit: True
Linux-4.8.0-53-generic-x86_64-with-debian-stretch-sid Linux ('64bit', 'ELF')
('Linux', '4.8.0-53-generic', '#56~16.04.1-Ubuntu SMP Tue May 16 01:18:56 UTC 2017')
Python 2.7.12
Linux: ('debian', 'stretch/sid', '')
Interface language: None
Successfully initialized third party plugins: DeDRM (6, 5, 4) && Modify ePub (1, 3, 13) && EpubSplit (2, 2, 1) && Barnes & Noble (1, 2, 14) && Baen (0, 0, 3) && Goodreads (1, 1, 12) && Quality Check (1, 9, 11) && Generate Cover (1, 5, 21) && KindleUnpack - The Plugin (0, 81, 4) && Diaps Editing Toolbag (0, 3, 4) && Hyphenate This! (0, 0, 8)
Turning on automatic hidpi scaling
devicePixelRatio: 1.0
logicalDpi: 96.0 x 96.0
physicalDpi: 96.3318518519 x 96.0945812808
Using calibre Qt style: True
Starting up...
libpng warning: iCCP: known incorrect sRGB profile
DEBUG: 0.0 get_baen_id: match_group= None
Started up in 4.52 seconds with 3100 books