linux-kernel - Re: [ANNOUNCE] 3.0-rt3

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Date:	Tue, 26 Jul 2011 16:57:58 -0700
From:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
To:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
CC:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-rt-users <linux-rt-users@...r.kernel.org>
Subject: Re: [ANNOUNCE] 3.0-rt3

On 07/26/2011 04:52 PM, Fernando Lopez-Lezcano wrote:
> On 07/26/2011 02:13 AM, Uwe Kleine-König wrote:
>> On Mon, Jul 25, 2011 at 03:55:21PM -0700, Fernando Lopez-Lezcano wrote:
>>> On 07/24/2011 03:33 AM, Thomas Gleixner wrote:
>>>> Dear RT Folks,
>>>>
>>>> I'm pleased to announce the 3.0-rt3 release.
>>>
>>> Thanks!!... testing on a dual core laptop, fedora 15, 32 bit:
>>>
>>> [ 32.169727] BUG: MAX_LOCKDEP_ENTRIES too low!
>>> [ 32.169730] turning off the locking correctness validator.
>>>
>>> (where do I change this?)
>> I'd guess you need to increase MAX_LOCKDEP_ENTRIES which is defined in
>> kernel/lockdep_internals.h.
>>
>> BTW, I hit that, too.
>
> Thanks, I upped that to 32768 (16384) but on boot I got another
> complaint about MAX_LOCKDEP_CHAINS so I changed MAX_LOCKDEP_CHAIN_BITS
> from 15 to 31 and, well, the kernel build complains about "size of array
> 'local_chains' is too large" (chain_hlocks as well) and does not build...
>
> Oh well...

(I meant to myself - of COURSE, _think_ before changing things and 
meditate about the implications of power mathematical operations).

:-)
-- Fernando
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