Very easy to reproduce. Any myisam workload with 2 or more threads will hit this. Try setting the key_cache_segments to a random value in 1 thread and select/insert/update/show global status/cache index in another thread.
Tttached two examples of a crash.
Very easy to reproduce. Any myisam workload with 2 or more threads will hit this. Try setting the key_cache_segments to a random value in 1 thread and select/ insert/ update/ show global status/cache index in another thread.
Tttached two examples of a crash.