disk passphrase failing with error message "luks_open failed for /dev/sda2 with errno -1"

[hellomi...@gmail.com]

disk passphrase is not bieng accepted and throwing this error

luks_open failed for /dev/sda2 with errno -1

How do I reset my passphrase for disk.

[hellomi...@gmail.com]

This is for QUBES R3.1

[Andrew David Wong]

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Hash: SHA512

1. Are you sure that you're entering the correct passphrase?

2. Where exactly are you seeing this error?

3. Is there more to it, or is that the whole error?

4. In your system, what is /dev/sda2 (e.g., root partition)?

- --
Andrew David Wong (Axon)
Community Manager, Qubes OS
https://www.qubes-os.org
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[Andrew David Wong]

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On 2016-12-16 04:31, Hello Mister wrote:
> The current error is from the manual partitioning step of
> installing the Qubes OS from the installation source ...
>

When you say "the manual partitioning step," are you referring to this
guide?

https://www.qubes-os.org/doc/custom-install/

If not, to what are you referring? (The installer itself should not
require any manual partitioning.)

P.S. - Please do not top-post, and please keep the list CCed.

> On Fri, Dec 16, 2016 at 5:55 PM, Andrew David Wong
> <a...@qubes-os.org> wrote:
>
> On 2016-12-16 04:18, hellomi...@gmail.com wrote:
>>>> disk passphrase is not bieng accepted and throwing this
>>>> error
>>>>
>>>> luks_open failed for /dev/sda2 with errno -1
>>>>
>>>> How do I reset my passphrase for disk.
>>>>
>
> 1. Are you sure that you're entering the correct passphrase?
>
> 2. Where exactly are you seeing this error?
>
> 3. Is there more to it, or is that the whole error?
>
> 4. In your system, what is /dev/sda2 (e.g., root partition)?
>

- --
Andrew David Wong (Axon)
Community Manager, Qubes OS
https://www.qubes-os.org
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[hellomi...@gmail.com]

On Friday, December 16, 2016 at 5:48:44 PM UTC+5:30, hellomi...@gmail.com wrote:

Cant I attach screen shots ? How do I send you screen shots of what I am facing ?

[hellomi...@gmail.com]

1. Are you sure that you're entering the correct passphrase?

Yes

2. Where exactly are you seeing this error?

During booting of Qubes R 3.0 OS

3. Is there more to it, or is that the whole error?

GUI , its the whole error

4. In your system, what is /dev/sda2 (e.g., root partition)?

Yes its one partition holding /root

------------------------------------------------------------------

So I tried to see if a reinstallation can happen.
During custom installation in GUI mode tried custom disk partitioning , gave the original passphrase which failed with a error as given.

-------------------------------------------------------------------

I have the boot phase of Qubes OS (disk passphrase failure snapshots), which returns to the # prompt.
The boot process entered in to emergency mode
The command console posted two red failed & two yellow DEPEND status

Failed - Failed to start cryptography setup for luks-(hexacode log string)
See 'systemctl statys systemd-cryptsetup@luks\xedcf......service' for details
Depend - Dependency failed for Encrypted Volume

[Swâmi Petaramesh]

Hello,

You are not getting a "wrong passphrase" message, but more of a system
or disk error.

Fortunately, because there is ABSOLUTELY NO WAY you can "reset" the
passphrase without completely destroying and recreating your encrypted
container (otherwise, what would be the purpose of encrypting it) ?

You may need to tell us more about your setup. Try to type [Esc] and
enter your passphrase in text mode, so you may see more detailed error
messages.

Regards.

ॐ

--
Swâmi Petaramesh <sw...@petaramesh.org> PGP 9076E32E

[Hello Mister]

Screen shots of os booting , os boot CLI , reinstallation are in this link of google drive

https://drive.google.com/drive/folders/0B4hCGXLQ_xRzQnk0aDlVcXRpaU0?usp=sharing

[Swâmi Petaramesh]

On 12/16/2016 03:18 PM, Hello Mister wrote:
> Screen shots of os booting , os boot CLI , reinstallation are in this link of google drive

It looks like you are installing Qubes 3.1. Why not use the latest
version (which is Qubes 3.2) and let the installer use its default
settings - manual partitioning during Qubes installation is a bit tricky
(and somewhat bugged), better use the default automated way.

You may have hard times finding more help if you're not going with the
latest release...

Kind regards.

[Hello Mister]

My point is quite simple that I need to do is to recover my data , documents , scripts in my installed os qube os r3.0 which was installed few months back. I tried to reinstall with the same media of r3.0, so that I can reset or lookout for reset of passphrase or somehow unlock the passphrase.

[Hello Mister]

I would advice to have a relook at all the screenshots for a clear insight.

[Hello Mister]

Ofcourse if I can get any kind of mean help would solve my data recovery easy going ...

[Hello Mister]

I have files in the OS filesystem , though not on the disposable VM's.
These need to be backedup.

[Andrew David Wong]

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Hash: SHA512

On 2016-12-16 20:46, Hello Mister wrote:
> On Friday, December 16, 2016 at 6:04:36 PM UTC+5:30, Andrew David

> Wong wrote: On 2016-12-16 04:31, Hello Mister wrote:
>>>> The current error is from the manual partitioning step of
>>>> installing the Qubes OS from the installation source ...
>>>>
>
> When you say "the manual partitioning step," are you referring to
> this guide?
>
> https://www.qubes-os.org/doc/custom-install/
>
> If not, to what are you referring? (The installer itself should not
> require any manual partitioning.)
>
> P.S. - Please do not top-post, and please keep the list CCed.
>
>>>> On Fri, Dec 16, 2016 at 5:55 PM, Andrew David Wong
>>>> <a...@qubes-os.org> wrote:
>>>>
>>>> On 2016-12-16 04:18, hellomi...@gmail.com wrote:
>>>>>>> disk passphrase is not bieng accepted and throwing
>>>>>>> this error
>>>>>>>
>>>>>>> luks_open failed for /dev/sda2 with errno -1
>>>>>>>
>>>>>>> How do I reset my passphrase for disk.
>>>>>>>
>>>>
>>>> 1. Are you sure that you're entering the correct passphrase?
>>>>
>>>> 2. Where exactly are you seeing this error?
>>>>
>>>> 3. Is there more to it, or is that the whole error?
>>>>
>>>> 4. In your system, what is /dev/sda2 (e.g., root partition)?
>>>>
>
>

> I have files in the OS filesystem , though not on the disposable
> VM's. These need to be backedup.
>

So, if I understand correctly, your goal is to decrypt your previous
LUKS-encrypted Qubes installation so that you can recover files from
it, right?

When you attempt to boot this installation normally, what happens? The
same LUKS error as above?

Have you tried accessing the disk from the command-line, e.g., using a
Live OS? (You can also just use the Qubes installer for this.) Or is
that what you were trying to do when you encountered the LUKS error
above?

- --
Andrew David Wong (Axon)
Community Manager, Qubes OS
https://www.qubes-os.org
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[Hello Mister]

So, if I understand correctly, your goal is to decrypt your previous

LUKS-encrypted Qubes installation so that you can recover files from
it, right?

== >> Yes please

When you attempt to boot this installation normally, what happens? The
same LUKS error as above?

== >> Same error after a long wait both in GUI & CLI

Have you tried accessing the disk from the command-line, e.g., using a
Live OS? (You can also just use the Qubes installer for this.) Or is
that what you were trying to do when you encountered the LUKS error
above?

== >> Yes please , with installation source media

[Swâmi Petaramesh]

Le 17/12/2016 à 12:22, Hello Mister a écrit :
>> When you attempt to boot this installation normally, what happens? The
>> same LUKS error as above?
>
> == >> Same error after a long wait both in GUI & CLI

I'm afraid that you may have, by starting a reinstallation over a
previous installation, already somewhat destroyed or reformatted your
LUKS partition, thus irremediably destroying all of its contents.

I would advise you to boot from a live distro such as Partition Magic
(Or an Ubuntu or Mint live CD), and WITHOUT starting any installer, try
to manually

# cryptsetup luksOpen /dev/sda2 open_sda2

...If your passphrase works that's good. if it doesn't, that's probably
dead.

Good luck !

[Andrew David Wong]

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Hash: SHA512

Yes, this is the third thing I was asking about. However, it's not
necessary to use a live OS to do this. (You can if you want, of
course.) As I mentioned above, the Qubes installer will work fine for
this purpose if you switch over to a virtual console (e.g., ctrl + alt
+ F2). (Of course, you don't want to actually try to run the installer
in this situation!)

- --
Andrew David Wong (Axon)
Community Manager, Qubes OS
https://www.qubes-os.org
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[Swâmi Petaramesh]

Le 17/12/2016 à 13:07, Andrew David Wong a écrit :
>
>> # cryptsetup luksOpen /dev/sda2 open_sda2
>
>> ...If your passphrase works that's good. if it doesn't, that's
>> probably dead.
>
>
> Yes, this is the third thing I was asking about. However, it's not
> necessary to use a live OS to do this. (You can if you want, of
> course.) As I mentioned above, the Qubes installer will work fine for
> this purpose if you switch over to a virtual console (e.g., ctrl + alt
> + F2). (Of course, you don't want to actually try to run the installer
> in this situation!)

My point was that some distros have live version (or even ISOs that are
especially meant to be used as a live tool such as Partition Magic),
that will be much more comfortable using in a clean GUI, than an ISO
which is meant as a bare installer - And you'll be less prone to
starting it by mistake if the installer isn't there ;-)

Kind regards.

[Andrew David Wong]

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Well, yes, but if all you're doing is

> # cryptsetup luksOpen /dev/sda2 open_sda2

as you suggested, then those extra features aren't in play, and it'll
probably be more convenient to use the Qubes installation medium you
already have on hand. At any rate, I think we agree that both ways
will work. Whichever you prefer is fine.

- --
Andrew David Wong (Axon)
Community Manager, Qubes OS
https://www.qubes-os.org
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[Hello Mister]

Luks error started way before I even thought of reinstallation attempt.

[Swâmi Petaramesh]

Le 17/12/2016 à 18:55, Hello Mister a écrit :
> Luks error started way before I even thought of reinstallation attempt.

So I'm very afraid that you definitely lost your data.