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    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_UNCONFIRMED "
   title="UNCONFIRMED - assertion at dbggui.cxx:47, solar mutex locked"
   href="https://bugs.documentfoundation.org/show_bug.cgi?id=111970">111970</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>assertion at dbggui.cxx:47, solar mutex locked
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>LibreOffice
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>6.0.0.0.alpha0+ Master
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>x86-64 (AMD64)
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>Linux (All)
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>UNCONFIRMED
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Base
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>libreoffice-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>lo_bugs@iseries-guru.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Created <span class=""><a href="http://bugs.documentfoundation.org/attachment.cgi?id=135732" name="attach_135732" title="output from bibisect in daily Linux dbgutil repository">attachment 135732</a> <a href="http://bugs.documentfoundation.org/attachment.cgi?id=135732&action=edit" title="output from bibisect in daily Linux dbgutil repository">[details]</a></span>
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 <<a href="mailto:arnaud.versini@gmail.com">arnaud.versini@gmail.com</a>>
    Date:   Mon Jun 5 16:12:27 2017 +0200

        Remove VCLExternalSolarLock and IMutex.

        Next step is to remove OContextEntryGuard.

        Change-Id: I9460fb67fba6f3bfb3c809b730c33f38d225a64e
        Reviewed-on: <a href="https://gerrit.libreoffice.org/38411">https://gerrit.libreoffice.org/38411</a>
        Tested-by: Jenkins <<a href="mailto:ci@libreoffice.org">ci@libreoffice.org</a>>
        Reviewed-by: Noel Grandin <<a href="mailto:noel.grandin@collabora.co.uk">noel.grandin@collabora.co.uk</a>></pre>
        </div>
      </p>


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