diff options
| -rw-r--r-- | erts/emulator/beam/erl_process.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index b47ce97c46..f6afc066ce 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -7497,6 +7497,15 @@ erts_schedule_misc_op(void (*func)(void *), void *arg) ErtsRunQueue *rq = erts_get_runq_current(NULL); ErtsMiscOpList *molp = misc_op_list_alloc(); + if (!rq) { + /* + * This can only happen when the sys msg dispatcher + * thread schedules misc ops (this happens *very* + * seldom; only when trace drivers are unloaded). + */ + rq = ERTS_RUNQ_IX(0); + } + erts_smp_runq_lock(rq); while (rq->misc.evac_runq) { |