Re: cryptsetup not working under 3.6 - regression from 3.4?

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Hi,

On 21/10/12 21:03, Tvrtko Ursulin wrote:
On 21/10/12 20:29, Milan Broz wrote:
On 10/21/2012 02:36 PM, Tvrtko Ursulin wrote:
On 21/10/12 13:20, Zdenek Kaspar wrote:
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

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..

Here it is:

Hm, so it should work without problem. Can you paste full output of
failing
cryptsetup command (with added --debug switch) and your full kernel
.config?

Attached.

Cryptsetup itself has regression tests which test almost all common
combinations of ciphers so the problem is almost surely in some kernel
part misconfiguration.
Any other related messages in syslog beside two lines you posted?

No just those two.

Just tried 3.6.4 and it is still broken. Is there anything else I could try to debug this?

Thanks,

Tvrtko

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