[Libreoffice-bugs] [Bug 111970] New: assertion at dbggui.cxx:47, solar mutex locked

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=111970

            Bug ID: 111970
           Summary: assertion at dbggui.cxx:47, solar mutex locked
           Product: LibreOffice
           Version: 6.0.0.0.alpha0+ Master
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Base
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: lo_bugs at iseries-guru.com

Created attachment 135732
  --> https://bugs.documentfoundation.org/attachment.cgi?id=135732&action=edit
output from bibisect in daily Linux dbgutil repository

STR

(1) Open attachment to tdf#109353, Inventar_Physik.odb.
(2) Open form Gegenstand
(3) Drop down the drop-down list Raum
(4) Click second entry, "B 005".  Program fails with terminal output
    (lines rewrapped):

        soffice.bin:
            /home/vmiklos/git/libreoffice/master/vcl/source/app/dbggui.cxx:47:
            void ImplDbgTestSolarMutex():
            Assertion `ImplGetSVData()->mpDefInst->CheckYieldMutex() &&
                          "SolarMutex not locked"
                      ' failed.
        Application Error
        Fatal exception: Signal 6

Working on debian-stretch in the daily Linux dbgutil bibisect
repository, I find that the bug started somewhere in the 55 commits to
master:

          commit    date        s-h
          --------  ----------  --------
    good  478c063d  2017-06-12  6a241608  
    bad   00bcd29f  2017-06-13  a1ace08b

In this range, this commit message mentions Mutex:

    commit a7532d8f061986c2e828df32f47f1fee1a339a14
    Author: Arnaud Versini <arnaud.versini at gmail.com>
    Date:   Mon Jun 5 16:12:27 2017 +0200

        Remove VCLExternalSolarLock and IMutex.

        Next step is to remove OContextEntryGuard.

        Change-Id: I9460fb67fba6f3bfb3c809b730c33f38d225a64e
        Reviewed-on: https://gerrit.libreoffice.org/38411
        Tested-by: Jenkins <ci at libreoffice.org>
        Reviewed-by: Noel Grandin <noel.grandin at collabora.co.uk>

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