On Thu, Jun 30, 2022 at 07:29:18PM +0200, Edgar Fuß wrote: > #8 0x000077a601860ac0 in err () from /usr/lib/libc.so.12 > #9 0x000077a60280c47b in pthread__init () from /usr/lib/libpthread.so.1
Ktrace it - there are 3 err() calls in pthread__init(), one after sysctl hw.ncpu failed, one if _lwp_unpark_all fails and one after _lwp_ctl failed. Martin