> On Jun 6, 2020, at 9:21 AM, Jared McNeill <jmcne...@invisible.ca> wrote: > > KASSERT-aside, I am left wondering based on that stack trace how copyout on > aarch64 can fail here at all (that seems to be the only way that lwp_exit > from sys__lwp_create can happen).
What were you doing at the time? I guess obviously running a program that uses pthreads... -- thorpej