[Libreoffice-bugs] [Bug 141004] New: Typing on a page that contains an image uses 100 % CPU and lags before the text appears

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=141004

            Bug ID: 141004
           Summary: Typing on a page that contains an image uses 100 % CPU
                    and lags before the text appears
           Product: LibreOffice
           Version: 7.0.4.2 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: eckold at campus.tu-berlin.de

Description:
On a page that contains an image (even a small one, 500 kB, tested with .png
and .jpg) typing text causes 100 % CPU usage, Writer becomes unresponsive and
it takes some seconds for the text to appear and the CPU usage to drop. Then
scrolling and even deleting text works fine. But any text input triggers this
behaviour.


Steps to Reproduce:
1. Open LibreOffice Writer
2. Insert image
3. Type text

Actual Results:
The written text doesn't appear, CPU load goes up to 100 %, Writer is
unresponsive, after a while the text appears, CPU load goes down and Writer
becomes responsive again. 

Expected Results:
The written text should appear without noticeable delay.


Reproducible: Always


User Profile Reset: Yes


OpenGL enabled: Yes

Additional Info:
[Information automatically included from LibreOffice]
Locale: en-US
Module: TextDocument
[Information guessed from browser]
OS: Linux (All)
OS is 64bit: yes
Version: 7.0.4.2
Build ID: 00(Build:2)
CPU threads: 8; OS: Linux 5.4; UI render: default; VCL: gtk3
Locale: en-US (de_DE.UTF-8); UI: en-US
7.0.4-2
Calc: threaded

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