(gdb) attach 27173 Attaching to program: target:/usr/sbin/mysqld, process 27173 `target:/usr/sbin/mysqld' has disappeared; keeping its symbols. Reading symbols from target:/lib/x86_64-linux-gnu/libpthread.so.0...Reading symbols from /usr/lib/debug/.build-id/96/8df33f83963b559243653d74d27d89605bed02.debug...done. done. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Reading symbols from target:/lib/x86_64-linux-gnu/libaio.so.1...(no debugging symbols found)...done. Reading symbols from target:/lib/x86_64-linux-gnu/libz.so.1...(no debugging symbols found)...done. Reading symbols from target:/lib/x86_64-linux-gnu/libcrypt.so.1...Reading symbols from /usr/lib/debug/.build-id/f7/90ff354a09d847cb96f95827dbb2a28718ab0b.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libdl.so.2...Reading symbols from /usr/lib/debug/.build-id/6a/5d98612129b8186f21e800afdfaaa627082f46.debug...done. done. Reading symbols from target:/usr/lib/x86_64-linux-gnu/libstdc++.so.6...(no debugging symbols found)...done. Reading symbols from target:/lib/x86_64-linux-gnu/libm.so.6...Reading symbols from /usr/lib/debug/.build-id/90/da054e12ea1a53ee0cbb5bb5e65f7069aeee44.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libgcc_s.so.1...(no debugging symbols found)...done. Reading symbols from target:/lib/x86_64-linux-gnu/libc.so.6...Reading symbols from /usr/lib/debug/.build-id/79/450f6e36287865d093ea209b85a222209925ff.debug...done. done. Reading symbols from target:/lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib/debug/.build-id/6f/150f33b150d6a81e26a425dd47d713d00f2d29.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libnss_compat.so.2...Reading symbols from /usr/lib/debug/.build-id/58/ab128465250cefd3523f021a4c10dd176b0131.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libnsl.so.1...Reading symbols from /usr/lib/debug/.build-id/2f/a2f9284c08402001f2d382eefb6a4102a9c60c.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libnss_nis.so.2...Reading symbols from /usr/lib/debug/.build-id/2d/40f73059b9aba764e24344d67bbce2cb475acf.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libnss_files.so.2...Reading symbols from /usr/lib/debug/.build-id/6d/cc0dde95388c7243f1a1f8d3108354a1b3eb22.debug...done. done. 0x00007f37eb40c3d3 in __select_nocancel () at ../sysdeps/unix/syscall-template.S:84 84 ../sysdeps/unix/syscall-template.S: No such file or directory. (gdb) watch wsrep Hardware watchpoint 2: wsrep (gdb) c Continuing. [New Thread 0x7f37e5ade700 (LWP 27211)] [New Thread 0x7f37e4cd6700 (LWP 27212)] [New Thread 0x7f37a5f8d700 (LWP 27213)] [New Thread 0x7f37a578c700 (LWP 27214)] [New Thread 0x7f37a4f8b700 (LWP 27215)] [New Thread 0x7f37a478a700 (LWP 27216)] [New Thread 0x7f37a3f89700 (LWP 27217)] [New Thread 0x7f37a3788700 (LWP 27218)] [New Thread 0x7f37a2f87700 (LWP 27219)] [New Thread 0x7f37a2786700 (LWP 27220)] [New Thread 0x7f37a1f85700 (LWP 27221)] [New Thread 0x7f37a1784700 (LWP 27222)] [New Thread 0x7f37a0f83700 (LWP 27223)] [New Thread 0x7f37a67fe700 (LWP 27224)] [Thread 0x7f37a67fe700 (LWP 27224) exited] [New Thread 0x7f37a67fe700 (LWP 27229)] [Thread 0x7f37a67fe700 (LWP 27229) exited] [New Thread 0x7f37a67fe700 (LWP 27230)] [New Thread 0x7f379bfff700 (LWP 27231)] [New Thread 0x7f379b7fe700 (LWP 27232)] [New Thread 0x7f379affd700 (LWP 27233)] [New Thread 0x7f379a7fc700 (LWP 27234)] [New Thread 0x7f3799ffb700 (LWP 27235)] [New Thread 0x7f37997fa700 (LWP 27236)] [New Thread 0x7f3798ff9700 (LWP 27237)] [New Thread 0x7f3787fff700 (LWP 27238)] [New Thread 0x7f37877fe700 (LWP 27239)] [New Thread 0x7f3786ffd700 (LWP 27240)] [New Thread 0x7f37867fc700 (LWP 27241)] [New Thread 0x7f3785ffb700 (LWP 27242)] Thread 1 "mysqld" received signal SIGSEGV, Segmentation fault. 0x000056288479862b in wsrep_commit (hton=0x5628872ca980, thd=0x562889327890, all=false) at /home/Devel/C_PC/mariadb/server/sql/wsrep_hton.cc:299 299 if (wsrep->post_rollback(wsrep, &thd->wsrep_ws_handle)) (gdb) (gdb) attach 27887 Attaching to program: target:/usr/sbin/mysqld, process 27887 `target:/usr/sbin/mysqld' has disappeared; keeping its symbols. Reading symbols from target:/lib/x86_64-linux-gnu/libpthread.so.0...Reading symbols from /usr/lib/debug/.build-id/96/8df33f83963b559243653d74d27d89605bed02.debug...done. done. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Reading symbols from target:/lib/x86_64-linux-gnu/libaio.so.1...(no debugging symbols found)...done. Reading symbols from target:/lib/x86_64-linux-gnu/libz.so.1...(no debugging symbols found)...done. Reading symbols from target:/lib/x86_64-linux-gnu/libcrypt.so.1...Reading symbols from /usr/lib/debug/.build-id/f7/90ff354a09d847cb96f95827dbb2a28718ab0b.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libdl.so.2...Reading symbols from /usr/lib/debug/.build-id/6a/5d98612129b8186f21e800afdfaaa627082f46.debug...done. done. Reading symbols from target:/usr/lib/x86_64-linux-gnu/libstdc++.so.6...(no debugging symbols found)...done. Reading symbols from target:/lib/x86_64-linux-gnu/libm.so.6...Reading symbols from /usr/lib/debug/.build-id/90/da054e12ea1a53ee0cbb5bb5e65f7069aeee44.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libgcc_s.so.1...(no debugging symbols found)...done. Reading symbols from target:/lib/x86_64-linux-gnu/libc.so.6...Reading symbols from /usr/lib/debug/.build-id/79/450f6e36287865d093ea209b85a222209925ff.debug...done. done. Reading symbols from target:/lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib/debug/.build-id/6f/150f33b150d6a81e26a425dd47d713d00f2d29.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libnss_compat.so.2...Reading symbols from /usr/lib/debug/.build-id/58/ab128465250cefd3523f021a4c10dd176b0131.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libnsl.so.1...Reading symbols from /usr/lib/debug/.build-id/2f/a2f9284c08402001f2d382eefb6a4102a9c60c.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libnss_nis.so.2...Reading symbols from /usr/lib/debug/.build-id/2d/40f73059b9aba764e24344d67bbce2cb475acf.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libnss_files.so.2...Reading symbols from /usr/lib/debug/.build-id/6d/cc0dde95388c7243f1a1f8d3108354a1b3eb22.debug...done. done. Program stopped. 0x00007fcc253b43d3 in __select_nocancel () at ../sysdeps/unix/syscall-template.S:84 84 ../sysdeps/unix/syscall-template.S: No such file or directory. (gdb) watch wsrep_provider Hardware watchpoint 3: wsrep_provider (gdb) c Continuing. [New Thread 0x7fcc1fa86700 (LWP 27924)] [New Thread 0x7fcc1d524700 (LWP 27925)] [New Thread 0x7fcc09cdd700 (LWP 27930)] [New Thread 0x7fcc094dc700 (LWP 27931)] [New Thread 0x7fcc08cdb700 (LWP 27932)] [New Thread 0x7fcbde7fe700 (LWP 27933)] [New Thread 0x7fcbddffd700 (LWP 27934)] [New Thread 0x7fcbdd7fc700 (LWP 27935)] [New Thread 0x7fcbdcffb700 (LWP 27936)] [New Thread 0x7fcbdc7fa700 (LWP 27937)] [New Thread 0x7fcbdbff9700 (LWP 27938)] [New Thread 0x7fcbdb7f8700 (LWP 27939)] [New Thread 0x7fcbdaff7700 (LWP 27940)] [New Thread 0x7fcc1c8c2700 (LWP 27941)] [Thread 0x7fcc1c8c2700 (LWP 27941) exited] [New Thread 0x7fcc1c8c2700 (LWP 27942)] [Thread 0x7fcc1c8c2700 (LWP 27942) exited] [New Thread 0x7fcc1c8c2700 (LWP 27943)] [New Thread 0x7fcbda7f6700 (LWP 27944)] [New Thread 0x7fcbd9ff5700 (LWP 27945)] [New Thread 0x7fcbd97f4700 (LWP 27946)] [New Thread 0x7fcbd8ff3700 (LWP 27947)] [New Thread 0x7fcbcbfff700 (LWP 27948)] [New Thread 0x7fcbcb7fe700 (LWP 27949)] [New Thread 0x7fcbcaffd700 (LWP 27950)] [New Thread 0x7fcbca7fc700 (LWP 27951)] [New Thread 0x7fcbc9ffb700 (LWP 27952)] [New Thread 0x7fcbc97fa700 (LWP 27953)] [New Thread 0x7fcbc8ff9700 (LWP 27954)] [New Thread 0x7fcbabfff700 (LWP 27955)] Thread 1 "mysqld" received signal SIGSEGV, Segmentation fault. 0x000055777029f62b in wsrep_commit (hton=0x5577734bc980, thd=0x557775519890, all=false) at /home/Devel/C_PC/mariadb/server/sql/wsrep_hton.cc:299 299 if (wsrep->post_rollback(wsrep, &thd->wsrep_ws_handle)) (gdb) bt #0 0x000055777029f62b in wsrep_commit (hton=0x5577734bc980, thd=0x557775519890, all=false) at /home/Devel/C_PC/mariadb/server/sql/wsrep_hton.cc:299 #1 0x0000557770372d86 in commit_one_phase_2 (thd=0x557775519890, all=false, trans=0x55777551cc90, is_real_trans=true) at /home/Devel/C_PC/mariadb/server/sql/handler.cc:1576 #2 0x0000557770372c82 in ha_commit_one_phase (thd=0x557775519890, all=false) at /home/Devel/C_PC/mariadb/server/sql/handler.cc:1556 #3 0x00005577703724ce in ha_commit_trans (thd=0x557775519890, all=false) at /home/Devel/C_PC/mariadb/server/sql/handler.cc:1420 #4 0x0000557770210c70 in trans_commit_stmt (thd=0x557775519890) at /home/Devel/C_PC/mariadb/server/sql/transaction.cc:519 #5 0x0000557770045441 in close_mysql_tables (thd=0x557775519890) at /home/Devel/C_PC/mariadb/server/sql/sql_base.cc:8693 #6 0x00005577700cf950 in plugin_load (tmp_root=0x7ffce9c52970) at /home/Devel/C_PC/mariadb/server/sql/sql_plugin.cc:1876 #7 0x00005577700cf204 in plugin_init (argc=0x5577717f6cf8 , argv=0x557773467e00, flags=0) at /home/Devel/C_PC/mariadb/server/sql/sql_plugin.cc:1744 #8 0x000055776ffccccd in init_server_components () at /home/Devel/C_PC/mariadb/server/sql/mysqld.cc:5345 #9 0x000055776ffcdd12 in mysqld_main (argc=66, argv=0x557773467e00) at /home/Devel/C_PC/mariadb/server/sql/mysqld.cc:5940 #10 0x000055776ffc31c0 in main (argc=4, argv=0x7ffce9c52f18) at /home/Devel/C_PC/mariadb/server/sql/main.cc:25 (gdb) (gdb) attach 30836 Attaching to program: target:/usr/sbin/mysqld, process 30836 `target:/usr/sbin/mysqld' has disappeared; keeping its symbols. Reading symbols from target:/lib/x86_64-linux-gnu/libpthread.so.0...Reading symbols from /usr/lib/debug/.build-id/96/8df33f83963b559243653d74d27d89605bed02.debug...done. done. [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Reading symbols from target:/lib/x86_64-linux-gnu/libaio.so.1...(no debugging symbols found)...done. Reading symbols from target:/lib/x86_64-linux-gnu/libz.so.1...(no debugging symbols found)...done. Reading symbols from target:/lib/x86_64-linux-gnu/libcrypt.so.1...Reading symbols from /usr/lib/debug/.build-id/f7/90ff354a09d847cb96f95827dbb2a28718ab0b.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libdl.so.2...Reading symbols from /usr/lib/debug/.build-id/6a/5d98612129b8186f21e800afdfaaa627082f46.debug...done. done. Reading symbols from target:/usr/lib/x86_64-linux-gnu/libstdc++.so.6...(no debugging symbols found)...done. Reading symbols from target:/lib/x86_64-linux-gnu/libm.so.6...Reading symbols from /usr/lib/debug/.build-id/90/da054e12ea1a53ee0cbb5bb5e65f7069aeee44.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libgcc_s.so.1...(no debugging symbols found)...done. Reading symbols from target:/lib/x86_64-linux-gnu/libc.so.6...Reading symbols from /usr/lib/debug/.build-id/79/450f6e36287865d093ea209b85a222209925ff.debug...done. done. Reading symbols from target:/lib64/ld-linux-x86-64.so.2...Reading symbols from /usr/lib/debug/.build-id/6f/150f33b150d6a81e26a425dd47d713d00f2d29.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libnss_compat.so.2...Reading symbols from /usr/lib/debug/.build-id/58/ab128465250cefd3523f021a4c10dd176b0131.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libnsl.so.1...Reading symbols from /usr/lib/debug/.build-id/2f/a2f9284c08402001f2d382eefb6a4102a9c60c.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libnss_nis.so.2...Reading symbols from /usr/lib/debug/.build-id/2d/40f73059b9aba764e24344d67bbce2cb475acf.debug...done. done. Reading symbols from target:/lib/x86_64-linux-gnu/libnss_files.so.2...Reading symbols from /usr/lib/debug/.build-id/6d/cc0dde95388c7243f1a1f8d3108354a1b3eb22.debug...done. done. Program stopped. 0x00007f3bc875c3d3 in __select_nocancel () at ../sysdeps/unix/syscall-template.S:84 84 ../sysdeps/unix/syscall-template.S: No such file or directory. (gdb) watch wsrep_provider Hardware watchpoint 5: wsrep_provider (gdb) p wsrep_provider $2 = 0x563cf3a036b0 "/usr/lib/galera/libgalera_smm.so" (gdb) c Continuing. [New Thread 0x7f3bc2e2e700 (LWP 30904)] [New Thread 0x7f3bc08cc700 (LWP 30905)] [New Thread 0x7f3bad06b700 (LWP 30906)] [New Thread 0x7f3bac86a700 (LWP 30907)] [New Thread 0x7f3b827fe700 (LWP 30908)] [New Thread 0x7f3b81ffd700 (LWP 30909)] [New Thread 0x7f3b817fc700 (LWP 30910)] [New Thread 0x7f3b80ffb700 (LWP 30911)] [New Thread 0x7f3b807fa700 (LWP 30912)] [New Thread 0x7f3b7fff9700 (LWP 30913)] [New Thread 0x7f3b7f7f8700 (LWP 30914)] [New Thread 0x7f3b7eff7700 (LWP 30915)] [New Thread 0x7f3b7e7f6700 (LWP 30916)] [New Thread 0x7f3bad8dc700 (LWP 30917)] [Thread 0x7f3bad8dc700 (LWP 30917) exited] [New Thread 0x7f3bad8dc700 (LWP 30922)] [Thread 0x7f3bad8dc700 (LWP 30922) exited] [New Thread 0x7f3bad8dc700 (LWP 30923)] [New Thread 0x7f3b7ddf0700 (LWP 30924)] [New Thread 0x7f3b7d5ef700 (LWP 30925)] [New Thread 0x7f3b7cdee700 (LWP 30926)] [New Thread 0x7f3b77fff700 (LWP 30927)] [New Thread 0x7f3b777fe700 (LWP 30928)] [New Thread 0x7f3b76ffd700 (LWP 30929)] [New Thread 0x7f3b767fc700 (LWP 30930)] [New Thread 0x7f3b75ffb700 (LWP 30931)] [New Thread 0x7f3b757fa700 (LWP 30932)] [New Thread 0x7f3b74ff9700 (LWP 30933)] [New Thread 0x7f3b5bfff700 (LWP 30934)] [New Thread 0x7f3b5b7fe700 (LWP 30935)] Thread 1 "mysqld" received signal SIGSEGV, Segmentation fault. 0x0000563cf03f562b in wsrep_commit (hton=0x563cf3a3d980, thd=0x563cf5a9a7d0, all=false) at /home/Devel/C_PC/mariadb/server/sql/wsrep_hton.cc:299 299 if (wsrep->post_rollback(wsrep, &thd->wsrep_ws_handle)) (gdb)