140106  2:20:47 [ERROR] Can't find description of time zone 'GMT'
140106  2:20:47 [Note] Got signal 15 to shutdown mysqld
140106  2:20:47 [Note] /data/repo/5.3.12/sql/mysqld: Normal shutdown

140106  2:20:47 [Note] Event Scheduler: Purging the queue. 0 events
140106  2:20:47 [Note] Debug sync points hit:                   128
140106  2:20:47 [Note] Debug sync points executed:              0
140106  2:20:47 [Note] Debug sync points max active per thread: 0
140106  2:20:47 [Note] /data/repo/5.3.12/sql/mysqld: Shutdown complete

safe_mutex: Trying to lock unitialized mutex at safemalloc.c, line 314
140106  2:20:47 [ERROR] mysqld got signal 6 ;

Thread pointer: 0x(nil)
Attempting backtrace. You can use the following information to find out
where mysqld died. If you see no messages after this, something went
terribly wrong...
stack_bottom = (nil) thread_stack 0x48000
/data/repo/5.3.12/sql/mysqld(my_print_stacktrace+0x35) [0xb91c08]
/data/repo/5.3.12/sql/mysqld(handle_fatal_signal+0x2e1) [0x83c35d]
/lib/x86_64-linux-gnu/libpthread.so.0(+0xf030) [0x7f99bf34e030]
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0x35) [0x7f99be640475]
/lib/x86_64-linux-gnu/libc.so.6(abort+0x180) [0x7f99be6436f0]
/data/repo/5.3.12/sql/mysqld(safe_mutex_lock+0xa7) [0xb975a2]
/data/repo/5.3.12/sql/mysqld(_myfree+0x1ad) [0xb739bc]
/data/repo/5.3.12/sql/mysqld(String::free()+0x3e) [0x58ea54]
/data/repo/5.3.12/sql/mysqld(String::~String()+0x18) [0x58ea14]
/lib/x86_64-linux-gnu/libc.so.6(+0x36df2) [0x7f99be644df2]
/lib/x86_64-linux-gnu/libc.so.6(+0x36e45) [0x7f99be644e45]
/data/repo/5.3.12/sql/mysqld() [0x69890c]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f99be62cead]
/data/repo/5.3.12/sql/mysqld() [0x581be9]
The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
information that should help you find out what is causing the crash.
Writing a core file

revision-id: sergii@pisem.net-20130128081223-mp9rsd3t9soz8lly
revno: 3621
branch-nick: 5.3.12