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From: Zdenek Kaspar <zkaspar82@gmail.com>
Date: Sun, 21 Oct 2012 14:20:11 +0200
Message-ID: <5083E87B.2080908@gmail.com>
References: <50830D33.5050807@ursulin.net> <5083C61C.5090807@gmail.com>
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Subject: Re: [dm-crypt] cryptsetup not working under 3.6 - regression from
	3.4?
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To: dm-crypt@saout.de
Cc: linux-kernel@vger.kernel.org

On 10/21/2012 02:03 PM, Tvrtko Ursulin wrote:
> 
> Hi,
> 
> On 21/10/12 10:53, Milan Broz wrote:
>> On 10/20/2012 10:44 PM, Tvrtko Ursulin wrote:
>>> But I repeat, even if I load the required modules before hand things do
>>> not work.
>>
>> I would say you are still missing some modules.
>>
>>> Kernel says this:
>>>    device-mapper: table: 252:1: crypt: Error allocating crypto tfm
>>>    device-mapper: ioctl: error adding target to table
>>
>> It complains about aes-cbc-essiv:sha256.
>>
>> It can be missing CBC od SHA256, but according the message I bet
>> you have no "cbc" block cipher mode module compiled.
>>
>> Can you grep your final .config for CONFIG_CRYPTO_CBC and
>> CONFIG_CRYPTO_SHA256 a paste it here?
> 
> I both working 3.4 and non-working 3.6 situation is the same:
> 
> CONFIG_CRYPTO_CBC=y
> CONFIG_CRYPTO_SHA256=m
> 
> Tvrtko
> 
> _______________________________________________
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> 

Compare please:
grep CONFIG_CRYPTO /boot/config-3.4
grep CONFIG_CRYPTO /boot/config-3.6

One of the problem could be that your configuration misses something
like: CONFIG_CRYPTO_BLKCIPHER, CONFIG_CRYPTO_MANAGER, etc.. or some of
those could changed into modules and are not getting loaded..

HTH, Z.