Date: Wed, 24 Mar 2010 19:21:26 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r205626 - head/sys/kern Message-ID: <201003241921.o2OJLQTC090739@svn.freebsd.org>
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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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