sudo gdb -p 30360
GNU gdb (GDB) 7.6
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-unknown-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Whether to confirm potentially dangerous operations is on.
Attaching to process 30360
Reading symbols from /media/Tintin/Qemu/data/pxc/bin/mysqld...done.
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
Reading symbols from /usr/lib/libpthread.so.0...(no debugging symbols found)...done.
[New LWP 30392]
[New LWP 30387]
[New LWP 30383]
[New LWP 30382]
[New LWP 30381]
[New LWP 30380]
[New LWP 30379]
[New LWP 30378]
[New LWP 30376]
[New LWP 30375]
[New LWP 30374]
[New LWP 30373]
[New LWP 30372]
[New LWP 30371]
[New LWP 30370]
[New LWP 30369]
[New LWP 30368]
[New LWP 30367]
[New LWP 30365]
[New LWP 30362]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Loaded symbols for /usr/lib/libpthread.so.0
Reading symbols from /usr/lib/libaio.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libaio.so.1
Reading symbols from /usr/lib/libz.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libz.so.1
Reading symbols from /usr/lib/libcrypt.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libcrypt.so.1
Reading symbols from /usr/lib/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libdl.so.2
Reading symbols from /usr/lib/libssl.so.1.0.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libssl.so.1.0.0
Reading symbols from /usr/lib/libcrypto.so.1.0.0...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libcrypto.so.1.0.0
Reading symbols from /usr/lib/libstdc++.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libstdc++.so.6
Reading symbols from /usr/lib/libm.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libm.so.6
Reading symbols from /usr/lib/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libc.so.6
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /usr/lib/libgcc_s.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libgcc_s.so.1
Reading symbols from /usr/lib/libnss_files.so.2...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/libnss_files.so.2
Reading symbols from /pxc/lib/libgalera_smm.so...done.
Loaded symbols for /pxc/lib/libgalera_smm.so
Reading symbols from /usr/lib/librt.so.1...(no debugging symbols found)...done.
Loaded symbols for /usr/lib/librt.so.1
warning: no loadable sections found in added symbol-file system-supplied DSO at 0x7fff0e79d000
0x00007fb95d1a9fdd in poll () from /usr/lib/libc.so.6
(gdb) bt
#0  0x00007fb95d1a9fdd in poll () from /usr/lib/libc.so.6
#1  0x000000000051d9b2 in poll (__timeout=-1, __nfds=2, __fds=0x7fff0e61c220) at /usr/include/bits/poll2.h:41
#2  handle_connections_sockets () at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:6100
#3  0x00000000005216fd in mysqld_main (argc=41, argv=0x3115718) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:5529
#4  0x0000000000515229 in main (argc=<optimized out>, argv=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/main.cc:25
(gdb) frame 2
#2  handle_connections_sockets () at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:6100
6100        retval= poll(fds, socket_count, -1);
(gdb) bt
#0  0x00007fb95d1a9fdd in poll () from /usr/lib/libc.so.6
#1  0x000000000051d9b2 in poll (__timeout=-1, __nfds=2, __fds=0x7fff0e61c220) at /usr/include/bits/poll2.h:41
#2  handle_connections_sockets () at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:6100
#3  0x00000000005216fd in mysqld_main (argc=41, argv=0x3115718) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:5529
#4  0x0000000000515229 in main (argc=<optimized out>, argv=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/main.cc:25
(gdb) frame 2
#2  handle_connections_sockets () at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:6100
6100        retval= poll(fds, socket_count, -1);
(gdb) print fds
$1 = {{
    fd = 20,
    events = 1,
    revents = 0
  }, {
    fd = 22,
    events = 1,
    revents = 0
  }, {
    fd = 241287808,
    events = 32767,
    revents = 0
  }}
(gdb) print socket_count
$2 = 2
(gdb) list
6095      DBUG_PRINT("general",("Waiting for connections."));
6096      MAYBE_BROKEN_SYSCALL;
6097      while (!abort_loop)
6098      {
6099    #ifdef HAVE_POLL
6100        retval= poll(fds, socket_count, -1);
6101    #else
6102        readFDs=clientFDs;
6103
6104        retval= select((int) max_used_connection,&readFDs,0,0,0);
(gdb)
6105    #endif
6106
6107        if (retval < 0)
6108        {
6109          if (socket_errno != SOCKET_EINTR)
6110          {
6111            if (!select_errors++ && !abort_loop)    /* purecov: inspected */
6112              sql_print_error("mysqld: Got error %d from select",socket_errno); /* purecov: inspected */
6113          }
6114          MAYBE_BROKEN_SYSCALL
(gdb) thread apply all bt full

Thread 21 (Thread 0x7fb95ceb7700 (LWP 30362)):
#0  0x00007fb95e952fff in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00007fb95c21b9b9 in wait (this=0x7fb95ceb6d70, cond=...) at galerautils/src/gu_lock.hpp:56
No locals.
#2  galera::ServiceThd::thd_func (arg=0x3166110) at galera/src/galera_service_thd.cpp:25
        lock = {
          _vptr.Lock = 0x7fb95c49fa50 <vtable for gu::Lock+16>,
          value = 0x3166120
        }
        data = {
          act_ = 0,
          last_committed_ = 0
        }
        st = 0x3166110
        exit = false
        __FUNCTION__ = "thd_func"
#3  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#4  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 20 (Thread 0x7fb95ec1e700 (LWP 30365)):
#0  0x00007fb95e952fff in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x000000000051a460 in inline_mysql_cond_wait (src_line=2338, src_file=0xaaf588 "/media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc", mutex=0x118a520 <LOCK_thread_count>,
    that=0x118caa0 <COND_thread_cache>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/include/mysql/psi/mysql_thread.h:980
        result = <optimized out>
        locker = <optimized out>
        state = {
          m_flags = 1589762720,
          m_cond = 0x80c710 <my_free+103>,
          m_mutex = 0xab666d,
          m_thread = 0x7fb95ec1dab0,
          m_timer_start = 140433619422256,
          m_timer = 0x118a520 <LOCK_thread_count>,
          m_operation = (PSI_COND_TIMEDWAIT | unknown: 8),
          m_src_file = 0x7fb95ec1e700 "",
          m_src_line = 1589762784,
          m_wait = 0x522820 <net_end(NET*)+77>
        }
#2  cache_thread () at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:2338
No locals.
#3  one_thread_per_connection_end (thd=<optimized out>, put_in_cache=true) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:2403
        _db_stack_frame_ = {
          func = 0xbccea9 "?func",
          file = 0xbcceaf "?file",
          level = 2147483649,
          prev = 0x0
        }
#4  0x0000000000519f18 in start_wsrep_THD (arg=0x59d226 <wsrep_rollback_process(THD*)>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:4515
        thd = 0x7fb940000a00
        processor = 0x59d226 <wsrep_rollback_process(THD*)>
#5  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#6  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 19 (Thread 0x7fb91b504700 (LWP 30367)):
#0  0x00007fb95e746664 in ?? () from /usr/lib/libaio.so.1
No symbol table info available.
#1  0x00000000009ceefe in os_aio_linux_collect (seg_size=256, segment=0, array=0x358d8c0) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4763
        i = <optimized out>
        ret = <optimized out>
        start_pos = 0
        timeout = {
          tv_sec = 0,
          tv_nsec = 500000000
        }
        io_ctx = 0x7fb95ed5b000
        end_pos = 256
        events = 0x3599b10
#2  os_aio_linux_handle (global_seg=global_seg@entry=0, message1=message1@entry=0x7fb91b503ed8, message2=message2@entry=0x7fb91b503ed0, type=type@entry=0x7fb91b503ec8, space_id=space_id@entry=0x7fb91b503ec0)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4908
        any_reserved = <optimized out>
        segment = 0
        array = 0x358d8c0
        slot = <optimized out>
        n = 256
        i = <optimized out>
        ret = 0
#3  0x000000000096f5cb in fil_aio_wait (segment=segment@entry=0) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/fil/fil0fil.c:5666
        ret = <optimized out>
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x00000000008a2f62 in io_handler_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0start.c:488
        segment = 0
#5  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 18 (Thread 0x7fb91ad03700 (LWP 30368)):
#0  0x00007fb95e746664 in ?? () from /usr/lib/libaio.so.1
No symbol table info available.
#1  0x00000000009ceefe in os_aio_linux_collect (seg_size=256, segment=0, array=0x359bb20) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4763
        i = <optimized out>
        ret = <optimized out>
        start_pos = 0
        timeout = {
          tv_sec = 0,
          tv_nsec = 500000000
        }
        io_ctx = 0x7fb95ed58000
        end_pos = 256
        events = 0x35a7d90
#2  os_aio_linux_handle (global_seg=global_seg@entry=1, message1=message1@entry=0x7fb91ad02ed8, message2=message2@entry=0x7fb91ad02ed0, type=type@entry=0x7fb91ad02ec8, space_id=space_id@entry=0x7fb91ad02ec0)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4908
        any_reserved = <optimized out>
---Type <return> to continue, or q <return> to quit---
        segment = 0
        array = 0x359bb20
        slot = <optimized out>
        n = 256
        i = <optimized out>
        ret = 0
#3  0x000000000096f5cb in fil_aio_wait (segment=segment@entry=1) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/fil/fil0fil.c:5666
        ret = <optimized out>
        fil_node = 0x4191178
        message = 0x4191309
        type = 11
        space_id = 0
#4  0x00000000008a2f62 in io_handler_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0start.c:488
        segment = 1
#5  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 17 (Thread 0x7fb91a502700 (LWP 30369)):
#0  0x00007fb95e746664 in ?? () from /usr/lib/libaio.so.1
No symbol table info available.
#1  0x00000000009ceefe in os_aio_linux_collect (seg_size=256, segment=0, array=0x35a9da0) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4763
        i = <optimized out>
        ret = <optimized out>
        start_pos = 0
        timeout = {
          tv_sec = 0,
          tv_nsec = 500000000
        }
        io_ctx = 0x7fb95ed55000
        end_pos = 256
        events = 0x35aa010
#2  os_aio_linux_handle (global_seg=global_seg@entry=2, message1=message1@entry=0x7fb91a501ed8, message2=message2@entry=0x7fb91a501ed0, type=type@entry=0x7fb91a501ec8, space_id=space_id@entry=0x7fb91a501ec0)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4908
        any_reserved = <optimized out>
        segment = 0
        array = 0x35a9da0
        slot = <optimized out>
        n = 256
        i = <optimized out>
        ret = 0
#3  0x000000000096f5cb in fil_aio_wait (segment=segment@entry=2) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/fil/fil0fil.c:5666
        ret = <optimized out>
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x00000000008a2f62 in io_handler_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0start.c:488
        segment = 2
#5  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 16 (Thread 0x7fb919d01700 (LWP 30370)):
---Type <return> to continue, or q <return> to quit---
#0  0x00007fb95e746664 in ?? () from /usr/lib/libaio.so.1
No symbol table info available.
#1  0x00000000009ceefe in os_aio_linux_collect (seg_size=256, segment=1, array=0x35a9da0) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4763
        i = <optimized out>
        ret = <optimized out>
        start_pos = 256
        timeout = {
          tv_sec = 0,
          tv_nsec = 500000000
        }
        io_ctx = 0x7fb95ed52000
        end_pos = 512
        events = 0x35ac010
#2  os_aio_linux_handle (global_seg=global_seg@entry=3, message1=message1@entry=0x7fb919d00ed8, message2=message2@entry=0x7fb919d00ed0, type=type@entry=0x7fb919d00ec8, space_id=space_id@entry=0x7fb919d00ec0)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4908
        any_reserved = <optimized out>
        segment = 1
        array = 0x35a9da0
        slot = <optimized out>
        n = 256
        i = <optimized out>
        ret = 0
#3  0x000000000096f5cb in fil_aio_wait (segment=segment@entry=3) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/fil/fil0fil.c:5666
        ret = <optimized out>
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x00000000008a2f62 in io_handler_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0start.c:488
        segment = 3
#5  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 15 (Thread 0x7fb919500700 (LWP 30371)):
#0  0x00007fb95e746664 in ?? () from /usr/lib/libaio.so.1
No symbol table info available.
#1  0x00000000009ceefe in os_aio_linux_collect (seg_size=256, segment=2, array=0x35a9da0) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4763
        i = <optimized out>
        ret = <optimized out>
        start_pos = 512
        timeout = {
          tv_sec = 0,
          tv_nsec = 500000000
        }
        io_ctx = 0x7fb95ed4f000
        end_pos = 768
        events = 0x35ae010
#2  os_aio_linux_handle (global_seg=global_seg@entry=4, message1=message1@entry=0x7fb9194ffed8, message2=message2@entry=0x7fb9194ffed0, type=type@entry=0x7fb9194ffec8, space_id=space_id@entry=0x7fb9194ffec0)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4908
        any_reserved = <optimized out>
        segment = 2
        array = 0x35a9da0
        slot = <optimized out>
        n = 256
---Type <return> to continue, or q <return> to quit---
        i = <optimized out>
        ret = 0
#3  0x000000000096f5cb in fil_aio_wait (segment=segment@entry=4) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/fil/fil0fil.c:5666
        ret = <optimized out>
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x00000000008a2f62 in io_handler_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0start.c:488
        segment = 4
#5  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 14 (Thread 0x7fb918cff700 (LWP 30372)):
#0  0x00007fb95e746664 in ?? () from /usr/lib/libaio.so.1
No symbol table info available.
#1  0x00000000009ceefe in os_aio_linux_collect (seg_size=256, segment=3, array=0x35a9da0) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4763
        i = <optimized out>
        ret = <optimized out>
        start_pos = 768
        timeout = {
          tv_sec = 0,
          tv_nsec = 500000000
        }
        io_ctx = 0x7fb95ed4c000
        end_pos = 1024
        events = 0x35b0010
#2  os_aio_linux_handle (global_seg=global_seg@entry=5, message1=message1@entry=0x7fb918cfeed8, message2=message2@entry=0x7fb918cfeed0, type=type@entry=0x7fb918cfeec8, space_id=space_id@entry=0x7fb918cfeec0)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4908
        any_reserved = <optimized out>
        segment = 3
        array = 0x35a9da0
        slot = <optimized out>
        n = 256
        i = <optimized out>
        ret = 0
#3  0x000000000096f5cb in fil_aio_wait (segment=segment@entry=5) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/fil/fil0fil.c:5666
        ret = <optimized out>
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x00000000008a2f62 in io_handler_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0start.c:488
        segment = 5
#5  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 13 (Thread 0x7fb9184fe700 (LWP 30373)):
#0  0x00007fb95e746664 in ?? () from /usr/lib/libaio.so.1
No symbol table info available.
#1  0x00000000009ceefe in os_aio_linux_collect (seg_size=256, segment=0, array=0x35b2020) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4763
        i = <optimized out>
---Type <return> to continue, or q <return> to quit---
        ret = <optimized out>
        start_pos = 0
        timeout = {
          tv_sec = 0,
          tv_nsec = 500000000
        }
        io_ctx = 0x7fb95eb9a000
        end_pos = 256
        events = 0x35b2290
#2  os_aio_linux_handle (global_seg=global_seg@entry=6, message1=message1@entry=0x7fb9184fded8, message2=message2@entry=0x7fb9184fded0, type=type@entry=0x7fb9184fdec8, space_id=space_id@entry=0x7fb9184fdec0)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4908
        any_reserved = <optimized out>
        segment = 0
        array = 0x35b2020
        slot = <optimized out>
        n = 256
        i = <optimized out>
        ret = 0
#3  0x000000000096f5cb in fil_aio_wait (segment=segment@entry=6) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/fil/fil0fil.c:5666
        ret = <optimized out>
        fil_node = 0x4190c98
        message = 0x7fb91d7a8378
        type = 11
        space_id = 0
#4  0x00000000008a2f62 in io_handler_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0start.c:488
        segment = 6
#5  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 12 (Thread 0x7fb917cfd700 (LWP 30374)):
#0  0x00007fb95e746664 in ?? () from /usr/lib/libaio.so.1
No symbol table info available.
#1  0x00000000009ceefe in os_aio_linux_collect (seg_size=256, segment=1, array=0x35b2020) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4763
        i = <optimized out>
        ret = <optimized out>
        start_pos = 256
        timeout = {
          tv_sec = 0,
          tv_nsec = 500000000
        }
        io_ctx = 0x7fb95eb97000
        end_pos = 512
        events = 0x35b4290
#2  os_aio_linux_handle (global_seg=global_seg@entry=7, message1=message1@entry=0x7fb917cfced8, message2=message2@entry=0x7fb917cfced0, type=type@entry=0x7fb917cfcec8, space_id=space_id@entry=0x7fb917cfcec0)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4908
        any_reserved = <optimized out>
        segment = 1
        array = 0x35b2020
        slot = <optimized out>
        n = 256
        i = <optimized out>
        ret = 0
#3  0x000000000096f5cb in fil_aio_wait (segment=segment@entry=7) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/fil/fil0fil.c:5666
        ret = <optimized out>
---Type <return> to continue, or q <return> to quit---
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x00000000008a2f62 in io_handler_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0start.c:488
        segment = 7
#5  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 11 (Thread 0x7fb9174fc700 (LWP 30375)):
#0  0x00007fb95e746664 in ?? () from /usr/lib/libaio.so.1
No symbol table info available.
#1  0x00000000009ceefe in os_aio_linux_collect (seg_size=256, segment=2, array=0x35b2020) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4763
        i = <optimized out>
        ret = <optimized out>
        start_pos = 512
        timeout = {
          tv_sec = 0,
          tv_nsec = 500000000
        }
        io_ctx = 0x7fb95eb94000
        end_pos = 768
        events = 0x35b6290
#2  os_aio_linux_handle (global_seg=global_seg@entry=8, message1=message1@entry=0x7fb9174fbed8, message2=message2@entry=0x7fb9174fbed0, type=type@entry=0x7fb9174fbec8, space_id=space_id@entry=0x7fb9174fbec0)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4908
        any_reserved = <optimized out>
        segment = 2
        array = 0x35b2020
        slot = <optimized out>
        n = 256
        i = <optimized out>
        ret = 0
#3  0x000000000096f5cb in fil_aio_wait (segment=segment@entry=8) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/fil/fil0fil.c:5666
        ret = <optimized out>
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x00000000008a2f62 in io_handler_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0start.c:488
        segment = 8
#5  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 10 (Thread 0x7fb916cfb700 (LWP 30376)):
#0  0x00007fb95e746664 in ?? () from /usr/lib/libaio.so.1
No symbol table info available.
#1  0x00000000009ceefe in os_aio_linux_collect (seg_size=256, segment=3, array=0x35b2020) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4763
        i = <optimized out>
        ret = <optimized out>
        start_pos = 768
        timeout = {
          tv_sec = 0,
---Type <return> to continue, or q <return> to quit---
          tv_nsec = 500000000
        }
        io_ctx = 0x7fb95eb91000
        end_pos = 1024
        events = 0x35b8290
#2  os_aio_linux_handle (global_seg=global_seg@entry=9, message1=message1@entry=0x7fb916cfaed8, message2=message2@entry=0x7fb916cfaed0, type=type@entry=0x7fb916cfaec8, space_id=space_id@entry=0x7fb916cfaec0)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0file.c:4908
        any_reserved = <optimized out>
        segment = 3
        array = 0x35b2020
        slot = <optimized out>
        n = 256
        i = <optimized out>
        ret = 0
#3  0x000000000096f5cb in fil_aio_wait (segment=segment@entry=9) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/fil/fil0fil.c:5666
        ret = <optimized out>
        fil_node = 0x0
        message = 0x0
        type = 0
        space_id = 0
#4  0x00000000008a2f62 in io_handler_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0start.c:488
        segment = 9
#5  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#6  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 9 (Thread 0x7fb9164fa700 (LWP 30378)):
#0  0x00007fb95e9533a8 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00000000009d17f7 in os_cond_wait_timed (abstime=0x7fb9164f9e30, mutex=0x34390d0, cond=0x3439108) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0sync.c:171
        ret = <optimized out>
#2  os_event_wait_time_low (event=0x34390d0, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=1) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0sync.c:716
        timed_out = 0
        abstime = {
          tv_sec = 1376618218,
          tv_nsec = 305682000
        }
#3  0x000000000089dbb7 in srv_lock_timeout_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0srv.c:2899
        slot = <optimized out>
        some_waits = <optimized out>
        wait_time = <optimized out>
        i = <optimized out>
        sig_count = <optimized out>
#4  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#5  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 8 (Thread 0x7fb915b0e700 (LWP 30379)):
#0  0x00007fb95e9533a8 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00000000009d17f7 in os_cond_wait_timed (abstime=0x7fb915b0de00, mutex=0x3439050, cond=0x3439088) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0sync.c:171
        ret = <optimized out>
#2  os_event_wait_time_low (event=0x3439050, time_in_usec=time_in_usec@entry=1000000, reset_sig_count=1) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0sync.c:716
        timed_out = 0
---Type <return> to continue, or q <return> to quit---
        abstime = {
          tv_sec = 1376618218,
          tv_nsec = 239320000
        }
#3  0x000000000089e8f5 in srv_error_monitor_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0srv.c:3131
        fatal_cnt = <optimized out>
        old_lsn = <optimized out>
        sig_count = <optimized out>
        waiter = 140432909592320
        old_waiter = <optimized out>
        sema = 0x0
        old_sema = <optimized out>
#4  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#5  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 7 (Thread 0x7fb91530d700 (LWP 30380)):
#0  0x00007fb95e9533a8 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00000000009d17f7 in os_cond_wait_timed (abstime=0x7fb91530ce80, mutex=0x3439150, cond=0x3439188) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0sync.c:171
        ret = <optimized out>
#2  os_event_wait_time_low (event=0x3439150, time_in_usec=time_in_usec@entry=5000000, reset_sig_count=1) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0sync.c:716
        timed_out = 0
        abstime = {
          tv_sec = 1376618218,
          tv_nsec = 180298000
        }
#3  0x000000000089d8a3 in srv_monitor_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0srv.c:2728
        sig_count = <optimized out>
        time_elapsed = <optimized out>
        current_time = <optimized out>
        last_table_monitor_time = 1376618193
        last_tablespace_monitor_time = 1376618193
        last_monitor_time = 1376618213
        mutex_skipped = 0
        last_srv_print_monitor = 0
#4  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#5  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 6 (Thread 0x7fb914b0c700 (LWP 30381)):
#0  0x00007fb95d1abc53 in select () from /usr/lib/libc.so.6
No symbol table info available.
#1  0x00000000009d2212 in os_thread_sleep (tm=tm@entry=5000000) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0thread.c:259
        t = {
          tv_sec = 0,
          tv_usec = 113262
        }
#2  0x000000000089e956 in srv_LRU_dump_restore_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0srv.c:3177
        auto_lru_dump = <optimized out>
        last_dump_time = 1376618193
        time_elapsed = <optimized out>
#3  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#4  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 5 (Thread 0x7fb91430b700 (LWP 30382)):
#0  0x00007fb95e952fff in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00000000009d169d in os_cond_wait (mutex=0x318d110, cond=0x318d148) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0sync.c:207
No locals.
#2  os_event_wait_low (event=0x318d110, reset_sig_count=1, reset_sig_count@entry=0) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0sync.c:609
No locals.
#3  0x00000000008a255b in srv_master_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0srv.c:4197
        buf_stat = {
          n_page_gets = 5661,
          n_pages_read = 275,
          n_pages_written = 0,
          n_pages_created = 0,
          n_ra_pages_read_rnd = 0,
          n_ra_pages_read = 0,
          n_ra_pages_evicted = 0,
          n_pages_made_young = 0,
          n_pages_not_made_young = 0,
          LRU_bytes = 0,
          flush_list_bytes = 0
        }
        slot = <optimized out>
        old_activity_count = <optimized out>
        n_bytes_merged = <optimized out>
        n_pages_flushed = <optimized out>
        n_pages_flushed_prev = <optimized out>
        n_bytes_archived = <optimized out>
        n_tables_to_drop = <optimized out>
        n_ios = <optimized out>
        n_ios_old = <optimized out>
        n_ios_very_old = <optimized out>
        n_pend_ios = <optimized out>
        next_itr_time = <optimized out>
        prev_adaptive_flushing_method = <optimized out>
        inner_loop = <optimized out>
        i = <optimized out>
        prev_flush_info = {{
            count = 0,
            space = 0,
            offset = 0,
            oldest_modification = 0
          } <repeats 64 times>}
        lsn_old = <optimized out>
        oldest_lsn = <optimized out>
        last_print_time = <optimized out>
#4  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#5  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 4 (Thread 0x7fb913b0a700 (LWP 30383)):
#0  0x00007fb95d1abc53 in select () from /usr/lib/libc.so.6
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#1  0x00000000009d2212 in os_thread_sleep (tm=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/os/os0thread.c:259
        t = {
          tv_sec = 0,
          tv_usec = 188553
        }
#2  0x00000000008a2a7d in srv_purge_thread (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/storage/innobase/srv/srv0srv.c:4298
        n_pages_purged = <optimized out>
        cur_time = <optimized out>
        slot = 0x7fb95c0570a8
        retries = 24
        n_total_purged = 0
        next_itr_time = <optimized out>
#3  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#4  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 3 (Thread 0x7fb94c54f700 (LWP 30387)):
#0  0x00007fb95e956579 in do_sigwait () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x00007fb95e956603 in sigwait () from /usr/lib/libpthread.so.0
No symbol table info available.
#2  0x0000000000518390 in signal_hand (arg=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:2806
        error = <optimized out>
        set = {
          __val = {548869, 0 <repeats 15 times>}
        }
        sig = 909324339
        _db_stack_frame_ = {
          func = 0xbccea9 "?func",
          file = 0xbcceaf "?file",
          level = 2147483649,
          prev = 0x0
        }
#3  0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#4  0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 2 (Thread 0x7fb94c4cd700 (LWP 30392)):
#0  0x00007fb95e952fff in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
No symbol table info available.
#1  0x0000000000515555 in inline_mysql_cond_wait (that=0x1189f20 <COND_thread_count>, mutex=0x118a520 <LOCK_thread_count>,
    src_file=0xaaf588 "/media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc", src_line=<optimized out>)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/include/mysql/psi/mysql_thread.h:980
        result = <optimized out>
        locker = <optimized out>
        state = {
          m_flags = 18391840,
          m_cond = 0x0,
          m_mutex = 0x0,
          m_thread = 0x0,
          m_timer_start = 0,
          m_timer = 0x7fb9000009a0,
          m_operation = (unknown: 1280093296),
          m_src_file = 0x80ff34 <my_thread_var_dbug+18> "H\205\300t\031H\215\220\300",
---Type <return> to continue, or q <return> to quit---
          m_src_line = 1280092752,
          m_wait = 0xa89376 <code_state+118>
        }
#2  0x000000000051d3c2 in wsrep_wait_appliers_close (thd=thd@entry=0x41cc320) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:4877
No locals.
#3  0x0000000000681ab3 in wsrep_stop_replication (thd=thd@entry=0x41cc320) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/wsrep_mysqld.cc:647
No locals.
#4  0x0000000000689948 in wsrep_provider_update (self=<optimized out>, thd=0x41cc320, type=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/wsrep_var.cc:248
        rcode = false
        wsrep_on_saved = true
        tmp = <optimized out>
#5  0x000000000052cc71 in sys_var::update (this=0x1195500 <Sys_wsrep_provider>, thd=0x41cc320, var=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/set_var.cc:201
        lock1 = {
          lock = 0x118d690 <PLock_global_system_variables>
        }
        lock2 = {
          lock = 0x0
        }
        type = <optimized out>
#6  0x000000000052d095 in set_var::update (this=<optimized out>, thd=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/set_var.cc:677
No locals.
#7  0x000000000052d839 in sql_set_variables (thd=thd@entry=0x41cc320, var_list=var_list@entry=0x41ced00) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/set_var.cc:578
        error = 0
        it = {
          <base_list_iterator> = {
            list = <optimized out>,
            el = 0x7fb900004e48,
            prev = 0x0,
            current = 0x0
          }, <No data fields>}
        _db_stack_frame_ = {
          func = 0xacb873 "mysql_execute_command",
          file = 0xacbec0 "/media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/sql_parse.cc",
          level = 2147483653,
          prev = 0x7fb94c4cb410
        }
#8  0x00000000005a1e9e in mysql_execute_command (thd=thd@entry=0x41cc320) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/sql_parse.cc:3738
        lex_var_list = 0x41ced00
        res = 0
        lex = 0x41ce0b0
        _db_stack_frame_ = {
          func = 0xacbb44 "mysql_parse",
          file = 0xacbec0 "/media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/sql_parse.cc",
          level = 2147483652,
          prev = 0x7fb94c4cbfe0
        }
        __PRETTY_FUNCTION__ = "int mysql_execute_command(THD*)"
        up_result = 0
        __FUNCTION__ = "mysql_execute_command"
        select_lex = 0x41ce790
        first_table = 0x0
        all_tables = 0x0
        unit = 0x41ce170
        have_table_map_for_update = false
#9  0x00000000005a6c41 in mysql_parse (thd=thd@entry=0x41cc320, rawbuf=rawbuf@entry=0x7fb900004bd0 "set global wsrep_provider=none", length=length@entry=30, parser_state=parser_state@entry=0x7fb94c4cc5e0)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/sql_parse.cc:6465
---Type <return> to continue, or q <return> to quit---
        found_semicolon = <optimized out>
        lex = 0x41ce0b0
        err = <optimized out>
        _db_stack_frame_ = {
          func = 0xacbbe0 "dispatch_command",
          file = 0xacbec0 "/media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/sql_parse.cc",
          level = 2147483651,
          prev = 0x7fb94c4cc5c0
        }
        start_usecs = 0
        end_usecs = 0
        start_cpu_nsecs = 0
        end_cpu_nsecs = 0
        __PRETTY_FUNCTION__ = "void mysql_parse(THD*, char*, uint, Parser_state*)"
        end_time_error = 0
        cputime_error = 0
        __FUNCTION__ = "mysql_parse"
        start_time_error = 0
        start_time = {
          tv_sec = 140433825777120,
          tv_usec = 0
        }
        end_time = {
          tv_sec = 140432545696720,
          tv_usec = 30
        }
        tp = {
          tv_sec = 140433825775664,
          tv_nsec = 5855881
        }
#10 0x00000000005a78b3 in wsrep_mysql_parse (thd=thd@entry=0x41cc320, rawbuf=0x7fb900004bd0 "set global wsrep_provider=none", length=30, parser_state=parser_state@entry=0x7fb94c4cc5e0)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/sql_parse.cc:6272
        is_autocommit = true
#11 0x00000000005a8889 in dispatch_command (command=command@entry=COM_QUERY, thd=thd@entry=0x41cc320, packet=packet@entry=0x4340c31 "set global wsrep_provider=none", packet_length=packet_length@entry=30)
    at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/sql_parse.cc:1254
        packet_end = 0x7fb900004bee ""
        parser_state = {
          m_lip = {
            m_thd = 0x41cc320,
            yylineno = 1,
            yytoklen = 14,
            yylval = 0x7fb94c4cb2b0,
            lookahead_token = -1,
            lookahead_yylval = 0x0,
            m_ptr = 0x7fb900004bef "",
            m_tok_start = 0x7fb900004bef "",
            m_tok_end = 0x7fb900004bef "",
            m_end_of_query = 0x7fb900004bee "",
            m_tok_start_prev = 0x7fb900004bee "",
            m_buf = 0x7fb900004bd0 "set global wsrep_provider=none",
            m_buf_length = 30,
            m_echo = true,
            m_echo_saved = false,
            m_cpp_buf = 0x7fb900004c50 "set global wsrep_provider=none",
            m_cpp_ptr = 0x7fb900004c6e "",
            m_cpp_tok_start = 0x7fb900004c6e "",
---Type <return> to continue, or q <return> to quit---
            m_cpp_tok_start_prev = 0x7fb900004c6e "",
            m_cpp_tok_end = 0x7fb900004c6e "",
            m_body_utf8 = 0x0,
            m_body_utf8_ptr = 0x0,
            m_cpp_utf8_processed_ptr = 0x0,
            next_state = MY_LEX_END,
            found_semicolon = 0x0,
            tok_bitmap = 0 '\000',
            ignore_space = false,
            stmt_prepare_mode = false,
            multi_statements = true,
            in_comment = NO_COMMENT,
            in_comment_saved = (PRESERVE_COMMENT | DISCARD_COMMENT | unknown: 380),
            m_cpp_text_start = 0x7fb900004c5b "wsrep_provider=none",
            m_cpp_text_end = 0x7fb900004c69 "=none",
            m_underscore_cs = 0x0
          },
          m_yacc = {
            yacc_yyss = 0x0,
            yacc_yyvs = 0x0,
            m_set_signal_info = {
              m_item = {0x0 <repeats 12 times>}
            },
            m_lock_type = TL_READ_DEFAULT,
            m_mdl_type = MDL_SHARED_READ
          }
        }
        net = 0x41cc550
        __PRETTY_FUNCTION__ = "bool dispatch_command(enum_server_command, THD*, char*, uint)"
        __FUNCTION__ = "dispatch_command"
        error = false
        _db_stack_frame_ = {
          func = 0xacbcb6 "do_command",
          file = 0xacbec0 "/media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/sql_parse.cc",
          level = 2147483650,
          prev = 0x7fb94c4ccdb0
        }
#12 0x00000000005aa794 in do_command (thd=0x41cc320) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/sql_parse.cc:885
        return_value = <optimized out>
        packet = 0x4340c30 "\003set global wsrep_provider=none"
        packet_length = 31
        net = 0x41cc550
        command = COM_QUERY
        __PRETTY_FUNCTION__ = "bool do_command(THD*)"
        _db_stack_frame_ = {
          func = 0xbccea9 "?func",
          file = 0xbcceaf "?file",
          level = 2147483649,
          prev = 0x0
        }
#13 0x0000000000657e7a in do_handle_one_connection (thd_arg=thd_arg@entry=0x41cc320) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/sql_connect.cc:1512
        rc = <optimized out>
        create_user = true
        thd = 0x41cc320
#14 0x00000000006580ae in handle_one_connection (arg=0x41cc320) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/sql_connect.cc:1420
        thd = 0x41cc320
---Type <return> to continue, or q <return> to quit---
#15 0x00007fb95e94f062 in start_thread () from /usr/lib/libpthread.so.0
No symbol table info available.
#16 0x00007fb95d1b2aad in clone () from /usr/lib/libc.so.6
No symbol table info available.

Thread 1 (Thread 0x7fb95ed42740 (LWP 30360)):
#0  0x00007fb95d1a9fdd in poll () from /usr/lib/libc.so.6
No symbol table info available.
#1  0x000000000051d9b2 in poll (__timeout=-1, __nfds=2, __fds=0x7fff0e61c220) at /usr/include/bits/poll2.h:41
No locals.
#2  handle_connections_sockets () at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:6100
        cAddr = {
          ss_family = 1,
          __ss_align = 18446744073709551615,
          __ss_padding = "\t\000\000\000\000\000\000\000\v\000\000\000\000\000\000\000\220\303a\016\377\177\000\000өv\000\000\000\000\000\340\302a\016\377\177\000\000\060\000\000\000\060\000\000\000\240\303a\016\377\177\000\000\320\302a\016\377\177\000\000\251μ\000\000\000\000\000\257μ\000\000\000\000\000\001\000\000\200", '\000' <repeats 12 times>, "p\303a\016\377\177\000\000o\344a\016\377\177\000"
        }
        flags = 2
        fds = {{
            fd = 20,
            events = 1,
            revents = 0
          }, {
            fd = 22,
            events = 1,
            revents = 0
          }, {
            fd = 241287808,
            events = 32767,
            revents = 0
          }}
        _db_stack_frame_ = {
          func = 0xbccea9 "?func",
          file = 0xbcceaf "?file",
          level = 2147483649,
          prev = 0x0
        }
        sock = 22
        new_sock = <optimized out>
        error_count = 0
        socket_flags = <optimized out>
        thd = <optimized out>
        ip_flags = <optimized out>
        extra_ip_flags = <optimized out>
        vio_tmp = <optimized out>
        socket_count = 2
#3  0x00000000005216fd in mysqld_main (argc=41, argv=0x3115718) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/mysqld.cc:5529
        ho_error = <optimized out>
        all_early_options = {
          buffer = 0x0,
          elements = 0,
          max_element = 0,
          alloc_increment = 25,
          size_of_element = 112
        }
#4  0x0000000000515229 in main (argc=<optimized out>, argv=<optimized out>) at /media/Tintin/Work/code/percona-xtradb-cluster/trunk/Percona-Server/sql/main.cc:25
---Type <return> to continue, or q <return> to quit---
No locals.
(gdb)
(gdb)
(gdb)