https://bugs.documentfoundation.org/show_bug.cgi?id=156225
Bug ID: 156225
Summary: High CPU usage in Writer when opening a commented DOCX
file
Product: LibreOffice
Version: 7.5.4.2 release
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Writer
Assignee: [email protected]
Reporter: [email protected]
Description:
I created a document with about 160 pages and 340.000 words in English language
as ODT file. Scribbr's proofreading service only accepts DOC and DOCX files.
For this reason, the document has been saved as DOCX file and I suppose it was
edited (commented) using Microsoft Word.
When I open the commented file from Scribbr's proofread service Writer
constantly uses about 25% (or one full core) of my CPU making it hard to
navigate in the document and edit another one or use other applications.
Additionally, the Writer crashes if it tries to auto-save the problematic DOCX
file and another document.
As soon as I close the DOCX file from Scribbr, everything's back to normal. I
suspect they may (unwittingly) infected my document with problematic content or
changed the document in a way that the Writer behaves this way. Their support
did not investigate this problem at their site.
Steps to Reproduce:
1. Create a document with about 160 pages and 340.000 words and save it as ODT.
2. Save the same document as DOCX file.
3. Upload it at Scribbr's proofreading service and receive a corrected version.
4. Open the corrected DOCX file.
Actual Results:
The problem persists.
Expected Results:
A commented DOCX file should use that much CPU time.
Reproducible: Always
User Profile Reset: Yes
Additional Info:
Version: 7.5.4.2 (X86_64) / LibreOffice Community
Build ID: 50(Build:2)
CPU threads: 4; OS: Linux 6.4; UI render: default; VCL: gtk3
Locale: en-US (de_DE.utf8); UI: de-DE
7.5.4-3
Calc: threaded
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