linux-kernel - Re: Device mapper failed to open temporary keystore device

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Date:	Sun, 19 Apr 2015 14:03:56 -0300
From:	Murilo Opsfelder Araújo <mopsfelder@...il.com>
To:	Mike Snitzer <snitzer@...hat.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Alasdair Kergon <agk@...hat.com>, dm-devel@...hat.com,
	Herbert Xu <herbert@...dor.apana.org.au>
Subject: Re: Device mapper failed to open temporary keystore device

On Fri, Apr 17, 2015 at 7:38 PM, Mike Snitzer <snitzer@...hat.com> wrote:
> On Fri, Apr 17 2015 at  4:11pm -0400,
> Murilo Opsfelder Araújo <mopsfelder@...il.com> wrote:
>
>> Hello, everyone.
>>
>> Right after I enter my passphrase to unlock my cryptsetup partition,
>> it displays the following error and asks for cryptsetup password again
>> (it got stuck on this loop).
>>
>> This issue was introduced in next-20150413.  next-20150410 is working just fine.
>>
>> Any hint on how to debug this?
>>
>> Unlocking the disk /dev/disk/by-uuid/<uuid> (sda5_crypt)
>> Enter passphrase: *****
>> [  244.239821] device-mapper: table: 252:0: crypt: Error allocating crypto tfm
>> device-mapper: reload ioctl on  failed: No such file or directory
>> Failed to open temporary keystore device.
>> device-mapper: remove ioctl on temporary-cryptsetup-239 failed: No
>> such device or address
>> device-mapper: reload ioctl on temporary-cryptsetup-239 failed: No
>> such device or address
>> device-mapper: remove ioctl on temporary-cryptsetup-239 failed: No
>> such device or address
>> device-mapper: remove ioctl on temporary-cryptsetup-239 failed: No
>> such device or address
>> device-mapper: remove ioctl on temporary-cryptsetup-239 failed: No
>> such device or address
>> device-mapper: remove ioctl on temporary-cryptsetup-239 failed: No
>> such device or address
>
> git diff next-20150410^..next-20150413 drivers/md/dm-crypt.c points to
> this commit as the nly dm-crpt.c change:
> https://git.kernel.org/cgit/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=for-next&id=5977907937afa2b5584a874d44ba6c0f56aeaa9c
>
> Which appears unrelated given your "crypt: Error allocating crypto tfm"
> error.
>
> But any chance you can try reverting that commit from next-20150413 and
> re-test just to be absolutely sure?

Hello, Mike.

I've reverted that commit from both next-20150413 and next-20150415.
In both cases, I got the same error, no success.

-- 
Murilo
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