[Edubuntu-bugs] [Bug 1884525] Re: Cannot start calibre

2020-12-12 Thread Eli Schwartz
I agree it's not a duplicate, and I don't know why ~juanjo-benages
marked it as such.

The PyCapsule error indicates a faulty build (possibly needs to be
rebuilt for pyqt).

The AttributeError: 'NoneType' object has no attribute 'cancel' error is
due to changes in python 3.8 between 3.8.2 and 3.8.3.

Both are bugs, both prevent running calibre, but they're not the SAME
bug and they don't apply to the same builds. Apparently, some people
merely saw "cannot start calibre" and lumped them all together.

** This bug is no longer a duplicate of bug 1898904
   Calibre crashes at startup with AttributeError: 'NoneType' object has no 
attribute 'cancel'

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https://bugs.launchpad.net/bugs/1884525

Title:
  Cannot start calibre

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[Edubuntu-bugs] [Bug 1072886] Re: LibreCAD crashes: Segmentation fault (core dumped)

2020-12-12 Thread Allan W. Macdonald
I am experiencing frequent crashes with LibreCAD 2.2.0-alpha on Ubuntu
18.04LTS.  Segmentation fault.  Typical kern.log entries:

Dec 12 16:02:18 AllansLaptop kernel: [781144.403573] Code: Bad RIP value.
Dec 12 16:26:27 AllansLaptop kernel: [782593.087197] librecad[10802]: segfault 
at 1 ip 0001 sp 7ffd7c1a9ff8 error 14 in 
librecad[55e8f58f5000+76b000]
Dec 12 16:26:27 AllansLaptop kernel: [782593.087217] Code: Bad RIP value.
Dec 12 16:28:03 AllansLaptop kernel: [782689.381393] librecad[10978]: segfault 
at 560226fb4ee0 ip 560226fb4ee0 sp 7ffd44dd2538 error 15
Dec 12 16:28:03 AllansLaptop kernel: [782689.381396] Code: 00 00 00 00 00 00 1c 
fd ff ff 7c fc ff ff 0b fe ff ff 0b fe ff ff 02 56 00 00 30 a4 80 26 02 56 00 
00 e1 00 00 00 00 00 00 00 <00> af 06 27 02 56 00 00 30 b7 9a 27 02 56 00 00 30 
61 05 27 02 56
Dec 12 16:28:39 AllansLaptop kernel: [782724.711956] librecad[11003]: segfault 
at 52005a ip 0052005a sp 7ffd856036d8 error 14 in 
librecad[564a4089f000+76b000]
Dec 12 16:28:39 AllansLaptop kernel: [782724.711979] Code: Bad RIP value.

Crashes seem to happen when selecting and modifying various entities:
moving corners of a rectangle or ellipse, moving entities around,
copying and pasting, etc.  Crashes do not seem to occur while drawing
new entities.

It is necessary to save frequently to avoid loss of work.

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Title:
  LibreCAD crashes: Segmentation fault (core dumped)

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[Edubuntu-bugs] [Bug 1072886] Re: LibreCAD crashes: Segmentation fault (core dumped)

2020-12-12 Thread Launchpad Bug Tracker
Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: librecad (Ubuntu)
   Status: New => Confirmed

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Title:
  LibreCAD crashes: Segmentation fault (core dumped)

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[Edubuntu-bugs] [Bug 1884525] Re: Cannot start calibre

2020-12-12 Thread G.M.
*** This bug is a duplicate of bug 1898904 ***
https://bugs.launchpad.net/bugs/1898904

Hi there,

I don't think this bug is a duplicate of bug #1898904. Here the error is
NOT "AttributeError: 'NoneType' object has no attribute 'cancel'" BUT
"PyCapsule_GetPointer called with incorrect name".

I upgraded my Linux Mint 20 this morning & got the error in this bug not
the other one.

The bug is there since 06/2020 & we are 12/2020. Does this means that
Calibre is not usable for all Ubuntu () uses for ~6 months?!?
I find it strange... If it would be the case, this bug would have
received a LOT more votes/attention, no?

Whatever, this bug is very blocking for me as I use Calibre a lot to
read/convert books and comics. I've installed the latest standalone
binary build of calibre as recommended by @eschwartz and it works
seamlessly (I used `wget -nv -O- https://download.calibre-ebook.com
/linux-installer.sh | sh /dev/stdin install_dir=~/calibre-bin
isolated=y` to install it as user for testing purposes).

Can someone tell me (or point me to documentations that explain) how I
could create a wrapper package that executes this script and how I can
ask Ubuntu's maintainers to replace the current faulty package from the
repos by such a wrapper package?

Thanks

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Title:
  Cannot start calibre

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