Date: Sat, 13 May 2017 22:35:16 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Konstantin Belousov <kostikbel@gmail.com> Cc: freebsd-hackers@freebsd.org Subject: Re: mutex owned? Message-ID: <20170514053516.GA94476@troutmask.apl.washington.edu> In-Reply-To: <20170513160822.GA88653@troutmask.apl.washington.edu> References: <20170513010459.GA83399@troutmask.apl.washington.edu> <20170513123836.GY1622@kib.kiev.ua> <20170513160822.GA88653@troutmask.apl.washington.edu>
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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
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