mutex owned?

[Steve Kargl]

On Sat, May 13, 2017 at 09:08:22AM -0700, Steve Kargl wrote:
> On Sat, May 13, 2017 at 03:38:37PM +0300, Konstantin Belousov wrote:
> > On Fri, May 12, 2017 at 06:04:59PM -0700, Steve Kargl wrote:
> > > So, after 6 to 8 hours of building libreoffice, I run into this
> > > 
> > > Abort trap (core dumped)
> > > OK (1)
> > > Fatal error 'mutex 0x2beaa340 own 0x189be is on list 0x69004c 0x74006e' at line 153 in file /mnt/src/lib/libthr/thread/thr_mutex.c (errno = 0)
> > > 
> > > No core file identified in directory /usr/ports/editors/libreoffice/work/libreoffice-5.2.7.2/workdir/CppunitTest/dbaccess_dialog_save.test.core
> > > To show backtraces for crashes during test execution,
> > > enable core files with:
> > > 
> > >    ulimit -c unlimited
> > > 
> > > 
> > > Is there a known issue with libthr on i686?
> > 
> > I am not aware.
> > 
> > Please ensure that your libthr and libc are built with debugging symbols
> > (default on HEAD), obtain core dump and show me the backtrace, for the
> > start.
> 
> I tried getting a core by restarting the build in editor/libreoffice
> with 'make -DNOCLEAN'.  The build then completed without error.  I'll
> restart from a clean directory and see what happens.
> 

Rebuilt libreoffice without a problem.  The system was under
load when the core happened, but not too loaded with the 
recent build.  Perhaps, a heisenbug.

-- 
Steve
20170425 https://www.youtube.com/watch?v=VWUpyCsUKR4
20161221 https://www.youtube.com/watch?v=IbCHE-hONow