[Libreoffice-bugs] [Bug 113937] Forms and reports hang

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=113937

--- Comment #18 from Alex Thurgood <iplaw67 at tuta.io> ---
@Ralph : as you mention that you have programming experience, perhaps you could
install either the debug code for the version of LO that comes with your
distrib and try and obtain a backtrace using gdb when the app hangs. That at
least might point in the right direction.

The problem with LO5162 as provided by the distro is that it is, to all intents
and purposes, obsolete, and no longer supported by TDF. Whether or not Ubuntu
still provides updates and fixes for that version is another matter altogether
and not within the LibreOffice project's control.

Another avenue to explore is the version of JDK/JVM. The report-builder, as
does embedded hsqldb, uses Java to function correctly, and perhaps a SIGSEGV in
the JVM, for whatever reason, is subsequently causing LO to hang. You might
want to look through your logs to see if there are any traces of hangs
registered there when using LibreOffice and that particular ODB file.

If we don't have a copy of the database, and I understand your reticence to
post a copy on this bug report, then it is going to be very difficult for us to
reproduce. If your database contains confidential information then posting it
to this bug report is not a good idea, as it will become public.

There are/were known mutex release issues that sometimes occur(red) with
LibreOffice Base, particularly when switching between Forms and Reports. The
behaviour you describe might be one such occurrence, which is why I suggested
trying to obtain a backtrace with a debug build (or the associated debug symbol
code provided with the distro version).

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