--plugin-load-add=file_key_management --plugin-load-add=example_key_management --innodb-encrypt-tables --innodb-encryption-threads=1

2016-04-19 20:38:43 139999079106432 [ERROR] Plugin 'file_key_management' registration as a ENCRYPTION failed.

2016-04-19 20:38:43 139999079106432 [Note] InnoDB: Using mutexes to ref count buffer pool pages

2016-04-19 20:38:43 139999079106432 [Note] InnoDB:  InnoDB: !!!!!!!! UNIV_DEBUG switched on !!!!!!!!!

2016-04-19 20:38:43 139999079106432 [Note] InnoDB:  InnoDB: !!!!!!!! UNIV_SYNC_DEBUG switched on !!!!!!!!!

2016-04-19 20:38:43 139999079106432 [Note] InnoDB: The InnoDB memory heap is disabled

2016-04-19 20:38:43 139999079106432 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins

2016-04-19 20:38:43 139999079106432 [Note] InnoDB: Memory barrier is not used

2016-04-19 20:38:43 139999079106432 [Note] InnoDB: Compressed tables use zlib 1.2.8

2016-04-19 20:38:43 139999079106432 [Note] InnoDB: Using Linux native AIO

2016-04-19 20:38:43 139999079106432 [Note] InnoDB: Using generic crc32 instructions

2016-04-19 20:38:43 139999079106432 [Note] InnoDB: Initializing buffer pool, size = 128.0M

2016-04-19 20:38:43 139999079106432 [Note] InnoDB: Completed initialization of buffer pool

2016-04-19 20:38:43 139999079106432 [Note] InnoDB: Highest supported file format is Barracuda.

2016-04-19 20:38:45 139999079106432 [Note] InnoDB: 128 rollback segment(s) are active.

2016-04-19 20:38:45 139999079106432 [Note] InnoDB: Waiting for purge to start

2016-04-19 20:38:45 139999079106432 [Note] InnoDB:  Percona XtraDB (http://www.percona.com) 5.6.28-76.1 started; log sequence number 1616819

2016-04-19 20:38:45 139999079106432 [Note] InnoDB: Creating #1 thread id 139998336632576 total threads 1.

2016-04-19 20:38:45 139998361810688 [Note] InnoDB: Dumping buffer pool(s) not yet started

2016-04-19 20:38:45 139999079106432 [Note] Plugin 'FEEDBACK' is disabled.

2016-04-19 20:38:45 139999079106432 [Note] Server socket created on IP: '::'.

2016-04-19 20:38:45 139999079106432 [Note] /bld/10.1/bin/mysqld: ready for connections.

Version: '10.1.13-MariaDB-debug'  socket: '/bld/10.1/data/tmp/mysql.sock'  port: 3306  Source distribution

SELECT COUNT(*) FROM INFORMATION_SCHEMA.INNODB_TABLESPACES_ENCRYPTION;

2016-04-19 20:31:09 139814445774592 [ERROR] InnoDB: Used key_id 1 can't be found from key file.

2016-04-19 20:31:09 7f29165ff700  InnoDB: Assertion failure in thread 139814445774592 in file fil0crypt.cc line 994

InnoDB: Failing assertion: new_state->key_version != ENCRYPTION_KEY_VERSION_INVALID

#5  0x00007f2940b0e538 in abort () from /lib64/libc.so.6

#6  0x000056211447fa76 in fil_crypt_get_key_state (new_state=0x7f29165fee00) at /src/10.1/storage/xtradb/fil/fil0crypt.cc:994

#7  0x00005621144803e4 in fil_crypt_space_needs_rotation (state=0x7f29165fee10, key_state=0x7f29165fee00, recheck=0x7f29165fedeb) at /src/10.1/storage/xtradb/fil/fil0crypt.cc:1339

#8  0x0000562114480a61 in fil_crypt_find_space_to_rotate (key_state=0x7f29165fee00, state=0x7f29165fee10, recheck=0x7f29165fedeb) at /src/10.1/storage/xtradb/fil/fil0crypt.cc:1587

#9  0x00005621144820a5 in fil_crypt_thread (arg=0x0) at /src/10.1/storage/xtradb/fil/fil0crypt.cc:2260

#10 0x00007f2942a4f0a4 in start_thread () from /lib64/libpthread.so.0

#11 0x00007f2940bbd04d in clone () from /lib64/libc.so.6