Bug Hunting Session
Bug 96145 - SPELL: writer freezes during creation of big test document through copy/paste
Summary: SPELL: writer freezes during creation of big test document through copy/paste
Status: RESOLVED WORKSFORME
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Linguistic (show other bugs)
Version:
(earliest affected)
5.0.2.2 release
Hardware: All All
: medium major
Assignee: Not Assigned
URL:
Whiteboard:
Keywords: perf
Depends on:
Blocks: Spell-Checking
  Show dependency treegraph
 
Reported: 2015-11-29 20:15 UTC by Marco Menardi
Modified: 2017-06-10 13:10 UTC (History)
2 users (show)

See Also:
Crash report or crash signature:


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Description Marco Menardi 2015-11-29 20:15:21 UTC
When trying to create a reproducible case of the desktop freese that happens to me, I copy and pasted crunch of 200 pages of random test with repeated ^V.
At some time writer stops responding and CPU keeps high forever.
Tested with Kubuntu 14.04 GNU/Linux, Xubuntu and Windows7-32.
Seems that disabling automatic spell cheker then the issue does not arises.
Comment 1 Buovjaga 2015-11-30 08:24:14 UTC
Reproduced.

Disabling automatic spellchecking makes the freezing go away.

Copy Varney the Vampire and paste it a couple of times to test: http://www.gutenberg.org/cache/epub/14833/pg14833.txt

Adding whiteboard perf as this might theoretically be about slowness and not a total hang. I did wait for long periods of time, 15-20 minutes..

Win 7 Pro 64-bit Version: 5.2.0.0.alpha0+
Build ID: a7c3a2a9be83686657c06f37d521f9f6d2004ddd
Threads 4; Ver: Windows 6.1; Render: default; 
TinderBox: Win-x86@39, Branch:master, Time: 2015-11-28_04:39:18
Locale: fi-FI (fi_FI)

Ubuntu 15.10 64-bit 
Version: 5.0.3.2
Build ID: 1:5.0.3~rc2-0ubuntu1
Locale: en-US (en_US.UTF-8)
Comment 2 Robinson Tryon (qubit) 2015-12-09 18:08:19 UTC Comment hidden (obsolete)
Comment 3 QA Administrators 2017-01-03 19:42:56 UTC Comment hidden (obsolete)
Comment 4 Buovjaga 2017-06-10 13:10:16 UTC
Hmm, now it does not freeze. Did the Varney paste so I had about 3400 pages - no problem. Let's close.

Arch Linux 64-bit, KDE Plasma 5
Version: 5.3.3.2
Build ID: 5.3.3-1
CPU Threads: 8; OS Version: Linux 4.10; UI Render: default; VCL: kde4; Layout Engine: new; 
Locale: fi-FI (fi_FI.UTF-8); Calc: group