linux-kernel - Re: v2.6.20-rt1, yum/rpm

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Message-ID: <20070205134708.GA6318@elte.hu>
Date:	Mon, 5 Feb 2007 14:47:08 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-rt-users@...r.kernel.org
Subject: Re: v2.6.20-rt1, yum/rpm


* Michal Piotrowski <michal.k.k.piotrowski@...il.com> wrote:

> It looks like a bug to me
> 
> BUG: MAX_LOCKDEP_ENTRIES too low!
> turning off the locking correctness validator.

hm, the patch below should solve this.

	Ingo

Index: linux/kernel/lockdep_internals.h
===================================================================
--- linux.orig/kernel/lockdep_internals.h
+++ linux/kernel/lockdep_internals.h
@@ -15,7 +15,7 @@
  * table (if it's not there yet), and we check it for lock order
  * conflicts and deadlocks.
  */
-#define MAX_LOCKDEP_ENTRIES	8192UL
+#define MAX_LOCKDEP_ENTRIES	16384UL
 
 #define MAX_LOCKDEP_KEYS_BITS	11
 #define MAX_LOCKDEP_KEYS	(1UL << MAX_LOCKDEP_KEYS_BITS)

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