Calibre crashes right after being opened on Catalina 10.15.5

Bug #1882301 reported by Cynthia Armistead on 2020-06-05
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
calibre
Undecided
Unassigned

Bug Description

Calibre crashes within about 30 seconds of launch on my MacBook Pro 2015 running macOS Catalina 10.15.5. This is a brand new, clean installation of macOS so I just downloaded the latest version of Calibre today.

The crash information is attached.

Cynthia Armistead (technomom) wrote :

That's a crash inside the Qt Cocoa plugin (Qt is the graphics toolkit
calibre uses). There's not a lot I can do about it. Is there something
unusual about your system? Multiple monitors? VoiceOver or other
Asistive technologies? Multiple GPUs or similar?

Cynthia Armistead (technomom) wrote :

Thank you for responding. I do have two monitors connected to the MacBook and there are two GPUs. I don't have any assistive technologies enabled. I'll see if it still crashes without the external monitors connected. Thanks!

Kovid Goyal (kovid) wrote :

Qt does tend to have issues with multiple GPUs. Try calibre 5 which has an updated version of Qt (5.15.1).

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