[Libreoffice-bugs] [Bug 141556] New: Ongoing 100% CPU usage after opening document

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=141556

            Bug ID: 141556
           Summary: Ongoing 100% CPU usage after opening document
           Product: LibreOffice
           Version: 6.0.1.1 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Writer
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: luke at deller.id.au

Description:
When I open the attached text document in LibreOffice, its CPU usage is stuck
at 100% (one CPU core).  This only stops if I scroll the document to page 15.

Steps to Reproduce:
1. Open attached document
2. Observe LibreOffice CPU usage

Actual Results:
CPU usage remains at 100% (of one CPU core) indefinitely - unless the document
is scrolled to page 15

Expected Results:
CPU usage should drop to near 0% after a while when nothing is being done in
the UI


Reproducible: Always


User Profile Reset: Yes



Additional Info:
Tested in LibreOffice 6.0.1.1 and in latest master built from source (both on
Ubuntu 20.04) - same result.

Breaking in the debugger shows that SwLayAction::FormatContent is being called
repeatedly for page 15.

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