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Bug#906256: marked as done (libqt5webview5: stack_trace_posix.cc failed to open file)

Your message dated Sat, 29 Jun 2019 20:59:40 +0300
with message-id <20190629175940.GA6140@mitya57.me>
and subject line Re: Bug#906256: Bug#905379: anki: hangs after "'NoneType' object has no attribute 'installEventFilter'"
has caused the Debian Bug report #906256,
regarding libqt5webview5: stack_trace_posix.cc failed to open file
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
906256: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=906256
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: anki
Version: 2.1.0+dfsg~rc2-2
Severity: grave
Justification: renders package unusable

Anki presents a dialog with the following error message at startup and
then hangs after the dialog is dismissed:

Error during startup:
Traceback (most recent call last):
  File "/usr/share/anki/aqt/main.py", line 50, in __init__
    self.setupUI()
  File "/usr/share/anki/aqt/main.py", line 75, in setupUI
    self.setupMainWindow()
  File "/usr/share/anki/aqt/main.py", line 585, in setupMainWindow
    tweb =3D self.toolbarWeb =3D aqt.webview.AnkiWebView()
  File "/usr/share/anki/aqt/webview.py", line 114, in __init__
    self.focusProxy().installEventFilter(self)
AttributeError: 'NoneType' object has no attribute 'installEventFilter'

Sending ^c after waiting for a minute or so of waiting produces the
error:

Exception ignored in: <module 'threading' from '/usr/lib/python3.6/threading.py'>
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 1294, in _shutdown
    t.join()
  File "/usr/lib/python3.6/threading.py", line 1056, in join
    self._wait_for_tstate_lock()
  File "/usr/lib/python3.6/threading.py", line 1072, in _wait_for_tstate_lock
    elif lock.acquire(block, timeout):
KeyboardInterrupt

-- System Information:
Debian Release: buster/sid
  APT prefers unstable-debug
  APT policy: (500, 'unstable-debug'), (500, 'unstable'), (1, 'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.16.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_CA.UTF-8), LANGUAGE=en_CA.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to en_CA.UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages anki depends on:
ii  libjs-jquery                3.2.1-1
ii  libjs-jquery-flot           0.8.3+dfsg-1
ii  libjs-jquery-ui             1.12.1+dfsg-5
ii  libjs-mathjax               2.7.4+dfsg-1
ii  libqt5core5a                5.11.1+dfsg-6
ii  python3                     3.6.6-1
ii  python3-bs4                 4.6.0-1
ii  python3-decorator           4.3.0-1
ii  python3-markdown            2.6.9-1
ii  python3-pyaudio             0.2.11-1+b2
ii  python3-pyqt5               5.11.2+dfsg-1+b1
ii  python3-pyqt5.qtwebchannel  5.11.2+dfsg-1+b1
ii  python3-pyqt5.qtwebengine   5.11.2+dfsg-1+b1
ii  python3-requests            2.18.4-2
ii  python3-send2trash          1.4.2-2

Versions of packages anki recommends:
ii  python3-matplotlib  2.2.2-4+b1

Versions of packages anki suggests:
pn  dvipng   <none>
ii  lame     3.100-2+b1
ii  mplayer  2:1.3.0-8+b2

-- no debconf information

-- 
|)|/  Ryan Kavanagh      | GPG: 4E46 9519 ED67 7734 268F
|\|\  https://rak.ac     |      BD95 8F7B F8FC 4A11 C97A

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--- End Message ---
--- Begin Message --- 
Version: 5.12.2+dfsg-1

Hi Julian,

On Thu, Aug 16, 2018 at 10:32:07AM +0100, Julian Gilbey wrote:
> Dear Qt maintainers,
>
> I've cloned this bug reported against anki to libqt5webengine5, as it
> seems that this is the source of the bug.  I don't know enough about
> Qt's internals to be able to track it down.  It seems as though this
> is a known problem: https://bugreports.qt.io/browse/QTBUG-68547

The error mentioned here (stack_trace_posix.cc failed to open file) is
fixed in Qt 5.12, so I am closing this bug now.

It looks like you managed to fix the anki part of this bug (#905379) too,
independently of this fix.

--
Dmitry Shachnev

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