diff options
Diffstat (limited to 'sys/kern/kern_lock.c')
| -rw-r--r-- | sys/kern/kern_lock.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/kern/kern_lock.c b/sys/kern/kern_lock.c index 31bff6d2c1aa..76f68677e292 100644 --- a/sys/kern/kern_lock.c +++ b/sys/kern/kern_lock.c @@ -1780,9 +1780,11 @@ lockmgr_chain(struct thread *td, struct thread **ownerp) lk = td->td_wchan; - if (LOCK_CLASS(&lk->lock_object) != &lock_class_lockmgr) + if (!TD_ON_SLEEPQ(td) || sleepq_type(td->td_wchan) != SLEEPQ_LK || + LOCK_CLASS(&lk->lock_object) != &lock_class_lockmgr) return (0); - db_printf("blocked on lockmgr %s", lk->lock_object.lo_name); + db_printf("blocked on lock %p (%s) \"%s\" ", &lk->lock_object, + lock_class_lockmgr.lc_name, lk->lock_object.lo_name); if (lk->lk_lock & LK_SHARE) db_printf("SHARED (count %ju)\n", (uintmax_t)LK_SHARERS(lk->lk_lock)); |