Date: Sun, 19 Jun 2016 11:06:44 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Daniel Engberg <daniel.engberg.lists@pyret.net> Cc: freebsd-current@freebsd.org Subject: Re: Samba 4.3 and 4.4 crashes on FreeBSD 11-ALPHA4 Message-ID: <20160619080644.GL38613@kib.kiev.ua> In-Reply-To: <0092113e-6ad6-575c-2127-f211ba9aef50@pyret.net> References: <0092113e-6ad6-575c-2127-f211ba9aef50@pyret.net>
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On Sun, Jun 19, 2016 at 09:10:08AM +0200, Daniel Engberg wrote: > Hi, > > Decided to try ALPHA4 and Samba 4.3 and 4.4 doesn't seem very happy. > > Fatal error 'mutex 0x8013ec000 own 0x18cdc is on list 0x8112161a0 0x0' at line 153 in file /usr/src/lib/libthr/thread/thr_mutex.c (errno = 4) > [2016/06/19 01:14:47.689256, 0] ../lib/util/fault.c:78(fault_report) > =============================================================== > [2016/06/19 01:14:47.689450, 0] ../lib/util/fault.c:79(fault_report) > INTERNAL ERROR: Signal 6 in pid 45222 (4.4.3) > Please read the Trouble-Shooting section of the Samba HOWTO > [2016/06/19 01:14:47.689479, 0] ../lib/util/fault.c:81(fault_report) > =============================================================== > [2016/06/19 01:14:47.689498, 0] ../source3/lib/util.c:791(smb_panic_s3) > PANIC (pid 45222): internal error > [2016/06/19 01:14:47.690577, 0] ../source3/lib/util.c:902(log_stack_trace) > BACKTRACE: 6 stack frames: > #0 0x803c16fe8 <log_stack_trace+0x28> at /usr/local/lib/samba4/libsmbconf.so.0 > #1 0x803c16ed2 <smb_panic_s3+0x52> at /usr/local/lib/samba4/libsmbconf.so.0 > #2 0x801696dad <smb_panic+0x13d> at /usr/local/lib/samba4/libsamba-util.so.0 > #3 0x801696c57 <fault_setup+0x157> at /usr/local/lib/samba4/libsamba-util.so.0 > #4 0x8014616df <pthread_sigmask+0x4ff> at /lib/libthr.so.3 > #5 0x801460cbf <pthread_getspecific+0xe9f> at /lib/libthr.so.3 > [2016/06/19 01:14:47.690686, 0] ../source3/lib/dumpcore.c:313(dump_core) > unable to change to %N.core > refusing to dump core > > Fatal error 'mutex 0x8013eb000 own 0x18d3d is on list 0x812e161a0 0x0' at line 153 in file /usr/src/lib/libthr/thread/thr_mutex.c (errno = 4) > [2016/06/19 01:26:41.063681, 0] ../lib/util/fault.c:78(fault_report) > =============================================================== > [2016/06/19 01:26:41.063827, 0] ../lib/util/fault.c:79(fault_report) > INTERNAL ERROR: Signal 6 in pid 61297 (4.3.9) > Please read the Trouble-Shooting section of the Samba HOWTO > [2016/06/19 01:26:41.063844, 0] ../lib/util/fault.c:81(fault_report) > =============================================================== > [2016/06/19 01:26:41.063855, 0] ../source3/lib/util.c:789(smb_panic_s3) > PANIC (pid 61297): internal error > [2016/06/19 01:26:41.064679, 0] ../source3/lib/util.c:900(log_stack_trace) > BACKTRACE: 6 stack frames: > #0 0x803846eb8 <log_stack_trace+0x28> at /usr/local/lib/libsmbconf.so.0 > #1 0x803846da2 <smb_panic_s3+0x52> at /usr/local/lib/libsmbconf.so.0 > #2 0x80168c12d <smb_panic+0x13d> at /usr/local/lib/libsamba-util.so.0 > #3 0x80168bfd7 <fault_setup+0x157> at /usr/local/lib/libsamba-util.so.0 > #4 0x8014606df <pthread_sigmask+0x4ff> at /lib/libthr.so.3 > #5 0x80145fcbf <pthread_getspecific+0xe9f> at /lib/libthr.so.3 > [2016/06/19 01:26:41.064747, 0] ../source3/lib/dumpcore.c:313(dump_core) > unable to change to %N.core > refusing to dump core > > This occurs immediately when you start Samba so it's easy to replicate. > I know that 4.3 worked on r298887 for sure, I'm going to try this in VM too but I'd apperciate if anyone else could give this a go. > > I noticed that there were some changes in libthr which might be a clue.... > Please convince samba to allow to dump core on assert (I have no idea how), then get a backtrace from the core, using ports/devel/gdb. After that I may know where to look next.
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