Ubuntu
calibre package

calibre crashes on startup

Bug #1904357 reported by dierre on 2020-11-15

This bug report is a duplicate of: Bug #1898904: Calibre crashes at startup with AttributeError: 'NoneType' object has no attribute 'cancel'. Edit Remove

This bug affects 2 people

Affects		Status	Importance	Assigned to	Milestone
	calibre (Ubuntu)	Confirmed	Undecided	Unassigned

Bug Description

Calibre crashes on startup:

% calibre
Traceback (most recent call last):
  File "/usr/bin/calibre", line 20, in <module>
    sys.exit(calibre())
  File "/usr/lib/calibre/calibre/gui_launch.py", line 73, in calibre
    main(args)
  File "/usr/lib/calibre/calibre/gui2/main.py", line 543, in main
    listener = create_listener()
  File "/usr/lib/calibre/calibre/gui2/main.py", line 514, in create_listener
    return Listener(address=gui_socket_address())
  File "/usr/lib/calibre/calibre/utils/ipc/server.py", line 110, in __init__
    self._listener._unlink.cancel()
AttributeError: 'NoneType' object has no attribute 'cancel'

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: calibre 4.99.4+dfsg+really4.12.0-1build1
ProcVersionSignature: Ubuntu 5.4.0-53.59-generic 5.4.65
Uname: Linux 5.4.0-53-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.12
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Nov 15 23:47:55 2020
InstallationDate: Installed on 2020-04-26 (203 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
PackageArchitecture: all
SourcePackage: calibre
UpgradeStatus: No upgrade log present (probably fresh install)

Tags:

Revision history for this message

dierre (fdr) wrote on 2020-11-15:

Dependencies.txt Edit (28.7 KiB, text/plain; charset="utf-8")
ProcCpuinfoMinimal.txt Edit (1.3 KiB, text/plain; charset="utf-8")
ProcEnviron.txt Edit (313 bytes, text/plain; charset="utf-8")

Revision history for this message

Launchpad Janitor (janitor) wrote on 2020-11-17:

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in calibre (Ubuntu):
status:	New → Confirmed

Revision history for this message

Joseph Yasi (joe-yasi) wrote on 2020-11-17:

I just tried to run Calibre on 20.04 and ran into this. I was able to manually edit a python file to get it running:
https://github.com/kovidgoyal/calibre/commit/7b6416ac6522fc40f24f6baf3ca552b17a8b91d6

Can the maintainer backport this to Calibre on 20.04?

Revision history for this message

Hans Joachim Desserud (hjd) wrote on 2020-11-22:

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1898904, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.