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#1 |
Junior Member
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Join Date: Feb 2011
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Calibre suddenly won't start up on Linux Mint
After years of faultless operation of Calibre, it just failed to start up last night, either from the menu bar icon or from a terminal window with no error messages anywhere. The only thing I can find running in system monitor is a process called calibre-parallel. Completely lost here. Anyone any idea how to identify the problem?
Thanks all Geoff |
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#2 |
creator of calibre
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Run as
calibre-debug -g |
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#3 |
Junior Member
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Hi Kovid - I'm honoured!
I get this geoff@nuc ~ $ calibre-debug -g calibre 3.41.3 embedded-python: True is64bit: True Linux-4.4.0-146-generic-x86_64-with-debian-stretch-sid Linux ('64bit', 'ELF') ('Linux', '4.4.0-146-generic', '#172-Ubuntu SMP Wed Apr 3 09:00:08 UTC 2019') Python 2.7.15 Linux: ('debian', 'stretch/sid', '') Interface language: en_GB Turning on automatic hidpi scaling devicePixelRatio: 1.0 logicalDpi: inf x inf physicalDpi: -34091302.912 x -60606760.7324 Using calibre Qt style: True geoff@nuc ~ $ I suppose the physicalDpi has an explanation? I recently got a new display and this is probably the first time I have fired up Calibre since I got it. |
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#4 |
creator of calibre
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Yeah the DPI is the issue, a bit of googling should show you a few other people withth eissue on linux. I cant recall what th eworkaround was, but offhand you can try turning off auto-scaling with
QT_SCALE_FACTOR=1 calibre |
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#5 |
Junior Member
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Thanks Kovid, I'll search round on that. Confirmed by doing calibre-debug --test-build and all fine except for this:
test_qt (calibre.test_build.BuildTest) ... (calibre-debug:12918): Gtk-WARNING **: cannot open display: unfortunately not cured with 'QT_SCALE_FACTOR=1 calibre' in terminal |
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#6 | |
Wizard
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Quote:
bernie |
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#7 |
Junior Member
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Thanks Bernie but not sorted. I think I will shift Calibre onto another system I have with a lower res display for now and hope it gets sorted later.
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