Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: libreoffice (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1640632
Title:
Libreoffice Word uses 100% cpu after font change
Status in libreoffice package in Ubuntu:
Confirmed
Bug description:
On a fully patched 16.04 Ubuntu 11/9/2016, running a default Libreoffice
installation (1:5.1.4-0ubuntu1) with just a browser running, start the system
monitor. Open the Libreoffice Word icon in the Dash, and type in two lines in
different fonts:
Liberation serif originally.
Bitstream Charter originally.
Select both lines (which may be as short as one letter), and change
the font in the font input to comic sans, while watching the system
monitor (default settings, cpu history). Note all cpu traces are near
the 0-20% range. One cpu trace will quickly go to 100% and stay
there. On my system, I get 8 cpu traces, while the cpu may change, one
will stay at 100% until exiting the document. No further actions are
necessary to keep the cpu at 100%.
At the document exit, a dialog will appear, asking to "Save change to
document "Untitled 1" before closing?" with buttons below --
frequently (but not always) the entire dialog window will be blank,
but the invisible "Dont Save" button will still work if clicked.
askubuntu question http://askubuntu.com/questions/847567/libreoffice-
uses-100-cpu-after-changing-the-font-of-a-whole-document has
indicated that Libreoffice Calc displays the same problem, so the
problem is probably in the common or core Libreoffice package. First
two cells, letter A in Liberation serif and next cell B in Bitstream
Charter, select both lines, and change font to comic serif -- a cpu
quickly goes to 100%.
$ lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04
$ apt-cache policy libreoffice-core
libreoffice-core:
Installed: 1:5.1.4-0ubuntu1
Candidate: 1:5.1.4-0ubuntu1
Version table:
*** 1:5.1.4-0ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu xenial-security/main amd64
Packages
100 /var/lib/dpkg/status
1:5.1.2-0ubuntu1 500
500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
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