[Libreoffice-bugs] [Bug 143534] New: Crash in Calc NLP Solver when saving a document in Write.

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=143534

            Bug ID: 143534
           Summary: Crash in Calc NLP Solver when saving a document in
                    Write.
           Product: LibreOffice
           Version: 7.0.6.2 release
          Hardware: x86-64 (AMD64)
                OS: Mac OS X (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Calc
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: todor.balabanov at gmail.com

Description:
When Calc NLP Solver is started for non-linear optimization, which takes more
than an hour (DS-PSO agent) it is working. In parallel, a Write document is
opened, edited, saved, and closed. When optimizations finish and "Keep Results"
button is pressed Calc crashes. Opening LibreOffice gives a dialog for
documents recovery. The optimization results are kept during the crash.
Optimization results are not lost, but after the general crash of LibreOffice
other open documents are also affected. I have looked at Calc's nlpsolver
module and I see some document lock instructions. I suppose that such locking
may be causing the crash.

Steps to Reproduce:
1. Open Calc and start NLP solver with DE-PSO agent for long-run optimization.
2. Open Write document, write something, save the document, close the document.
3. Wait for optimization to finish and press the Keep Results button.

Actual Results:
General crash of LibreOffice. 

Expected Results:
Optimization results to be kept and Calc document to be editable and savable.


Reproducible: Always


User Profile Reset: No



Additional Info:
Version: 7.0.6.2
Build ID: 144abb84a525d8e30c9dbbefa69cbbf2d8d4ae3b
CPU threads: 4; OS: Mac OS X 10.13.6; UI render: default; VCL: osx
Locale: en-US (en_BG.UTF-8); UI: en-US
Calc: threaded

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