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[ERROR] Got an error from unknown thread...any help??

edudriledudril EntrantInactive User Role Beginner
Hi everybody,

This morning I had an error in my PerconaCluster.this is the log, but i don't know which is the 'hit a bug'.
Any idea please?


2015-10-19 08:41:40 48172 [ERROR] /usr/local/mysql/bin/mysqld: Incorrect key file for table '/tmp/#sql_bc2c_0.MYI'; try to repair it
2015-10-19 08:41:40 48172 [ERROR] Got an error from unknown thread, /root/Galera_Installation/Packages/Percona-XtraDB-Cluster-5.6.19-67.0/storage/myisam/mi_write.c:223
06:41:40 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 XtraDB Cluster better by reporting any
bugs at https://bugs.launchpad.net/percona-xtradb-cluster

key_buffer_size=33554432
read_buffer_size=131072
max_used_connections=501
max_threads=502
thread_count=46
connection_count=29
It is possible that mysqld could use up to
key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 233156 K bytes of memory
Hope that's ok; if not, decrease some variables in the equation.

Thread pointer: 0xdbb28560
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 = 7fa57fb2bdf8 thread_stack 0x40000
/usr/local/mysql/bin/mysqld(my_print_stacktrace+0x35)[0x904ac5]
/usr/local/mysql/bin/mysqld(handle_fatal_signal+0x4c4)[0x680b74]
/lib64/libpthread.so.0[0x31a7a0f500]
/usr/local/mysql/bin/mysqld(_ZNK7handler22ha_statistic_incrementEM17system_status_vary+0x8)[0x5bec28]
/usr/local/mysql/bin/mysqld(_ZN9ha_myisam9write_rowEPh+0x20)[0x957df0]
/usr/local/mysql/bin/mysqld(_ZN7handler12ha_write_rowEPh+0xff)[0x5c7b1f]
/usr/local/mysql/bin/mysqld[0x6dd7f9]
/usr/local/mysql/bin/mysqld[0x6e1731]
/usr/local/mysql/bin/mysqld(_Z10sub_selectP4JOINP13st_join_tableb+0x1c1)[0x6e1c61]
/usr/local/mysql/bin/mysqld[0x6e1731]
/usr/local/mysql/bin/mysqld(_Z10sub_selectP4JOINP13st_join_tableb+0x1c1)[0x6e1c61]
/usr/local/mysql/bin/mysqld[0x6e1731]
/usr/local/mysql/bin/mysqld(_Z10sub_selectP4JOINP13st_join_tableb+0x1c1)[0x6e1c61]
/usr/local/mysql/bin/mysqld[0x6e1731]
/usr/local/mysql/bin/mysqld(_Z10sub_selectP4JOINP13st_join_tableb+0x1c1)[0x6e1c61]
/usr/local/mysql/bin/mysqld[0x6e1731]
/usr/local/mysql/bin/mysqld(_Z10sub_selectP4JOINP13st_join_tableb+0x1c1)[0x6e1c61]
/usr/local/mysql/bin/mysqld[0x6e1731]
/usr/local/mysql/bin/mysqld(_Z10sub_selectP4JOINP13st_join_tableb+0x1c1)[0x6e1c61]
/usr/local/mysql/bin/mysqld[0x6e1731]
/usr/local/m151019 08:41:48 mysqld_safe Number of processes running now: 0
151019 08:41:48 mysqld_safe WSREP: not restarting wsrep node automatically
151019 08:41:48 mysqld_safe mysqld from pid file /DATAMYSQL/data1/mysql.pid ended
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