Test driving v3.6-rt, lockdep shuts itself off soon after boot.
[ 117.940497] BUG: MAX_LOCKDEP_ENTRIES too low!
[ 117.940498] turning off the locking correctness validator.
[ 117.940502] Pid: 5242, comm: kio_trash Not tainted 3.6.11.1-rt32-smp #51
Doubling MAX_LOCKDEP_ENTRIES/MAX_LOCKDEP_CHAINS_BITS appeased it. Box
has been up for an hour without lockdep taking it's toys and going home.
Signed-off-by: Mike Galbraith <bitbucket@xxxxxxxxx>
---
kernel/lockdep_internals.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/kernel/lockdep_internals.h
+++ b/kernel/lockdep_internals.h
@@ -54,9 +54,9 @@ enum {
* table (if it's not there yet), and we check it for lock order
* conflicts and deadlocks.
*/
-#define MAX_LOCKDEP_ENTRIES 16384UL
+#define MAX_LOCKDEP_ENTRIES 32768UL
-#define MAX_LOCKDEP_CHAINS_BITS 15
+#define MAX_LOCKDEP_CHAINS_BITS 16
#define MAX_LOCKDEP_CHAINS (1UL << MAX_LOCKDEP_CHAINS_BITS)
#define MAX_LOCKDEP_CHAIN_HLOCKS (MAX_LOCKDEP_CHAINS*5)
--
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