GNU bug report logs - #55856
First LUKS passphrase prompt at Linux boot always fail

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: bug-guix <bug-guix <at> gnu.org>
Subject: First LUKS passphrase prompt at Linux boot always fail
Date: Wed, 08 Jun 2022 14:54:44 -0400

Hello,

It's something I've suffered for a while already on my desktop machine,
but I always assumed I was making a typo or something.

Today I confirmed that without first clearing the input buffer via
multiple backspaces strokes, the first LUKS passphrase (I have many
disks) *always* fail.

Perhaps some boot message or other text gets erroneously redirected to
the standard input and corrupts the user input.

Thanks,

Maxim

Message #8 received at 55856 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
Cc: 55856 <at> debbugs.gnu.org
Subject: Re: bug#55856: First LUKS passphrase prompt at Linux boot always fail
Date: Sat, 11 Jun 2022 00:02:33 +0200

Hi,

Maxim Cournoyer <maxim.cournoyer <at> gmail.com> skribis:

> Today I confirmed that without first clearing the input buffer via
> multiple backspaces strokes, the first LUKS passphrase (I have many
> disks) *always* fail.

This is super weird (I’ve not observed that).  I don’t see how the input
buffer could be filled with something else.  I wonder how this could be
investigated!

Ludo’.

Message #13 received at 55856-done <at> debbugs.gnu.org (full text, mbox):

From: Maxim Cournoyer <maxim.cournoyer <at> gmail.com>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 55856-done <at> debbugs.gnu.org
Subject: Re: bug#55856: First LUKS passphrase prompt at Linux boot always fail
Date: Tue, 14 Jun 2022 12:12:49 -0400

Hey Ludo,

Ludovic Courtès <ludo <at> gnu.org> writes:

> Hi,
>
> Maxim Cournoyer <maxim.cournoyer <at> gmail.com> skribis:
>
>> Today I confirmed that without first clearing the input buffer via
>> multiple backspaces strokes, the first LUKS passphrase (I have many
>> disks) *always* fail.
>
> This is super weird (I’ve not observed that).  I don’t see how the input
> buffer could be filled with something else.  I wonder how this could be
> investigated!

Haha, this ended up being the HHKB Professional 2 USB keyword that was
hooked to my desktop.  Even when not using it, it appears that the small
USB hub that is built in the keyword sends noise to the line and causes
garbage to appear on stdin...

I should probably de-solder that near-useless thing from this otherwise
fine keyboard.

Thanks,

Closing.

Maxim

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