diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2022-02-19 23:56:19 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2022-02-19 23:56:19 +0000 |
| commit | 5958d016793907e391edde84bfcfd131646e98c4 (patch) | |
| tree | e4df2f974567dcf5c1b141abc5c217f8a45037c0 | |
| parent | e3ec126e59b0ae3d6be70d2f67d6cd9992b9a956 (diff) | |
tsleep() prints a stack trace when cold==2. The suspend/resume code has
phases where sleeps are not allowed, and this used to discover it.
msleep() needs the same check.
| -rw-r--r-- | sys/kern/kern_synch.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c index e993131cd9b..d888cb2b84a 100644 --- a/sys/kern/kern_synch.c +++ b/sys/kern/kern_synch.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_synch.c,v 1.181 2022/02/14 11:26:05 claudio Exp $ */ +/* $OpenBSD: kern_synch.c,v 1.182 2022/02/19 23:56:18 deraadt Exp $ */ /* $NetBSD: kern_synch.c,v 1.37 1996/04/22 01:38:37 christos Exp $ */ /* @@ -222,6 +222,10 @@ msleep(const volatile void *ident, struct mutex *mtx, int priority, if (priority & PCATCH) KERNEL_ASSERT_LOCKED(); +#ifdef DDB + if (cold == 2) + db_stack_dump(); +#endif if (cold || panicstr) { /* * After a panic, or during autoconfiguration, |