#46344 Honour and generate conventional kernel command-line arguments

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

From: Tobias Geerinckx-Rice <me@tobias.gr>

To: Tobias Geerinckx-Rice via Bug reports for GNU Guix <bug-guix@gnu.org>

Subject: Honour and generate conventional kernel command-line arguments

Date: Sat, 06 Feb 2021 13:48:24 +0100

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[Low priority, but I keep forgetting about it.]

Guix,

What the subject says.  The Linux command line isn't bash.

Use, e.g., ‘root=’ instead of the Guix-specific and unintuitive 
‘--root=’.  It's surrounded by normal ‘nomodeset’ & ‘quiet’ 
arguments anyway.

For things like ‘--repl’ we might substitute ‘rd.repl’, or 
‘rd.rescue’ which has the advantage of being used by systemd 
[users] as well.

Kind regards,

T G-R

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Message #8 received at 46344@debbugs.gnu.org (full text, mbox, reply):

From: Ludovic Courtès <ludo@gnu.org>

To: Tobias Geerinckx-Rice <me@tobias.gr>

Cc: 46344@debbugs.gnu.org

Subject: Re: bug#46344: Honour and generate conventional kernel command-line arguments

Date: Sat, 06 Feb 2021 21:59:18 +0100

Hi,

Tobias Geerinckx-Rice <me@tobias.gr> skribis:

> Use, e.g., ‘root=’ instead of the Guix-specific and unintuitive
> ‘--root=’.  It's surrounded by normal ‘nomodeset’ & ‘quiet’ 
> arguments anyway.
>
> For things like ‘--repl’ we might substitute ‘rd.repl’, or ‘rd.rescue’
> which has the advantage of being used by systemd [users] as well.

(Why “rd.”?  I’d use “gnu.” to make sure we don’t inadvertently use
something that has a different meaning elsewhere.)

I agree with the proposed change, I’ve been meaning to do something
about it for a long time, too.  :-)

For ‘--root’ is a bit tricky because it’s an implicit option, not
explicitly listed in /run/current-system/parameters and similar places.

So we’d probably have to (1) make it explicit, and (2) use ‘--root’ when
generating a GRUB entry for a system generation that lacks the explicit
“root=XYZ” string in its ‘kernel-arguments’.

Ludo’.

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