svn commit: r205626 - head/sys/kern
Bjoern A. Zeeb
bz at FreeBSD.org
Wed Mar 24 19:21:26 UTC 2010
Author: bz
Date: Wed Mar 24 19:21:26 2010
New Revision: 205626
URL: http://svn.freebsd.org/changeset/base/205626
Log:
Print the pointer to the lock with the panic message. The previous
panic: rw lock not unlocked
was not really helpful for debugging. Now one can at least call
show lock <ptr>
form ddb to learn more about the lock.
MFC after: 3 days
Modified:
head/sys/kern/kern_rwlock.c
Modified: head/sys/kern/kern_rwlock.c
==============================================================================
--- head/sys/kern/kern_rwlock.c Wed Mar 24 19:20:49 2010 (r205625)
+++ head/sys/kern/kern_rwlock.c Wed Mar 24 19:21:26 2010 (r205626)
@@ -199,8 +199,8 @@ void
rw_destroy(struct rwlock *rw)
{
- KASSERT(rw->rw_lock == RW_UNLOCKED, ("rw lock not unlocked"));
- KASSERT(rw->rw_recurse == 0, ("rw lock still recursed"));
+ KASSERT(rw->rw_lock == RW_UNLOCKED, ("rw lock %p not unlocked", rw));
+ KASSERT(rw->rw_recurse == 0, ("rw lock %p still recursed", rw));
rw->rw_lock = RW_DESTROYED;
lock_destroy(&rw->lock_object);
}
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