InnoDB: Assertion failure in file buf0buf.cc line 5963 (Failing assertion: key_version == 0 || key_version >= bpage->key_version)

2015-07-21 11:01:11 3fff69bff140  InnoDB: Assertion failure in thread 70366223397184 in file buf0buf.cc line 5963

InnoDB: Failing assertion: key_version == 0 || key_version >= bpage->key_version

InnoDB: We intentionally generate a memory trap.

mysqld died. If you see no messages after this, something went

terribly wrong...

stack_bottom = 0x0 thread_stack 0x48000

mysys/stacktrace.c:246(my_print_stacktrace)[0x5b5397dc]

sql/signal_handler.cc:153(handle_fatal_signal)[0x5aca1b58]

linux-vdso64.so.1(__kernel_sigtramp_rt64+0x0)[0x3fff7af60478]

/opt/at8.0/lib64/power8/libc.so.6(gsignal-0x187978)[0x3fff7a5f0b60]

/opt/at8.0/lib64/power8/libc.so.6(abort-0x18549c)[0x3fff7a5f34a4]

buf/buf0buf.cc:5963(buf_page_encrypt_before_write(buf_page_t*, unsigned char*, unsigned long))[0x5b3bb0e0]

buf/buf0flu.cc:954(buf_flush_write_block_low)[0x5b3ca72c]

buf/buf0flu.cc:1116(buf_flush_page(buf_pool_t*, buf_page_t*, buf_flush_t, bool))[0x5b3cae74]

buf/buf0flu.cc:1328(buf_flush_try_neighbors)[0x5b3cb660]

buf/buf0flu.cc:1416(buf_flush_page_and_try_neighbors)[0x5b3cba38]

buf/buf0flu.cc:1745(buf_do_flush_list_batch)[0x5b3cc6ec]

buf/buf0flu.cc:1821(buf_flush_batch(buf_pool_t*, buf_flush_t, unsigned long, unsigned long, bool, flush_counters_t*))[0x5b3ccb48]

buf/buf0flu.cc:2103(buf_flush_list(unsigned long, unsigned long, unsigned long*))[0x5b3cd54c]

buf/buf0flu.cc:2416(page_cleaner_do_flush_batch)[0x5b3ce2bc]

buf/buf0flu.cc:2786(buf_flush_page_cleaner_thread)[0x5b3cf52c]

/opt/at8.0/lib64/power8/libpthread.so.0(+0xb8a0)[0x3fff7af2b8a0]

/opt/at8.0/lib64/power8/libc.so.6(clone-0xa7018)[0x3fff7a6da1c0]