Mysql server version: 5.5.37-35.1-log Percona Server (GPL), Release 35.1, Revision 666
Os: Ubuntu 14.04 LTS
Mysql crashed and I found this in log.
10:14:58 UTC - mysqld got signal 11 ;
This could be because you hit a bug. It is also possible that this binary
or one of the libraries it was linked against is corrupt, improperly built,
or misconfigured. This error can also be caused by malfunctioning hardware.
We will try our best to scrape up some info that will hopefully help
diagnose the problem, but since we have already crashed,
something is definitely wrong and this may fail.
Please help us make Percona Server better by reporting any
bugs at http://bugs.percona.com/
key_buffer_size=2097152000
read_buffer_size=131072
max_used_connections=166
max_threads=232
thread_count=7
connection_count=7
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 2555703 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.
Thread pointer: 0x0
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 = 0 thread_stack 0x30000
/usr/local/mysql/bin/mysqld(my_print_stacktrace+0x35)[0x7fa6d5]
/usr/local/mysql/bin/mysqld(handle_fatal_signal+0x3f4)[0x6aea44]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x10340)[0x7f297a4ff340]
/usr/local/mysql/bin/mysqld[0x8f1a0b]
/usr/local/mysql/bin/mysqld[0x8f1b1f]
/usr/local/mysql/bin/mysqld[0x89327f]
/usr/local/mysql/bin/mysqld[0x877b48]
/usr/local/mysql/bin/mysqld[0x879d1a]
/usr/local/mysql/bin/mysqld[0x880cd8]
/usr/local/mysql/bin/mysqld[0x8820a1]
/usr/local/mysql/bin/mysqld[0x88c870]
/usr/local/mysql/bin/mysqld[0x9481d0]
/usr/local/mysql/bin/mysqld[0x948e26]
/usr/local/mysql/bin/mysqld[0x93d53c]
/usr/local/mysql/bin/mysqld[0x859924]
/usr/local/mysql/bin/mysqld[0x84c9ae]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x8182)[0x7f297a4f7182]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f2978d9b30d]
You may download the Percona Server operations manual by visiting
http://www.percona.com/software/percona-server/. You may find information
in the manual which will help you identify the cause of the crash.
Hope this can make mysql better. Any information will be sent if needed.
Please, check if you can reproduce the crash with a recent version, 5.5.39. if you do, please, send your my.cnf file content and try to note crashing statement.
In any case we need a resolved stack trace. You can try to resolve it as explained in the manual, http://
cat <<EOT >/tmp/mysqld.stack
<numeric addresses from your stack trace here>
EOT
nm -n `which mysqld` > /tmp/mysqld.symbols
resolve_stack_dump -s /tmp/mysqld.symbols -n /tmp/mysqld.stack | c++filt