GNU bug report logs - #59466
Kernel panic when installing with Ventoy

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

From: Panos Alevropoulos <panosalevropoulos <at> proton.me>
To: "bug-guix <at> gnu.org" <bug-guix <at> gnu.org>
Subject: Kernel panic when installing with Ventoy
Date: Mon, 21 Nov 2022 22:48:39 +0000

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Hello,

It seems that I can't install Guix 1.3.0 with Ventoy. After starting installation from Guix GRUB, I get kernel panic. Ventoy works well otherwise with other distros.
Image checksum is good.

You can see the error in the attached image.

Thanks for your work,
Panos

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[guix-ventoy-kernel-panic.jpg (image/jpeg, attachment)]

Message #8 received at 59466 <at> debbugs.gnu.org (full text, mbox):

From: Josselin Poiret <dev <at> jpoiret.xyz>
To: Panos Alevropoulos <panosalevropoulos <at> proton.me>, 59466 <at> debbugs.gnu.org
Subject: Re: bug#59466: Kernel panic when installing with Ventoy
Date: Sun, 04 Dec 2022 11:30:30 +0100

Hi Panos,

Panos Alevropoulos via Bug reports for GNU Guix <bug-guix <at> gnu.org>
writes:

> Hello,
>
> It seems that I can't install Guix 1.3.0 with Ventoy. After starting installation from Guix GRUB, I get kernel panic. Ventoy works well otherwise with other distros.
> Image checksum is good.

Ventoy is not supported currently. It is up to them to add support for
Guix, not the other way around: we have some peculiarities with the boot
process that Ventoy completely ignores.  By the way, you should try
using the latest installer image instead of 1.3.0, as a lot of bugs have
been fixed since then.

Best,
-- 
Josselin Poiret

Message #11 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Tobias Geerinckx-Rice <me <at> tobias.gr>
To: Panos Alevropoulos <panosalevropoulos <at> proton.me>
Cc: bug-guix <at> gnu.org, 59466 <at> debbugs.gnu.org
Subject: Re: bug#59466: Kernel panic when installing with Ventoy
Date: Sun, 04 Dec 2022 13:55:53 +0100

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Hi Panos,

Guix and Ventoy should work out of the box.

Panos Alevropoulos via Bug reports for GNU Guix 写道：
> It seems that I can't install Guix 1.3.0 with Ventoy. After 
> starting installation from Guix GRUB, I get kernel panic.

Thanks for including the exact panic message.  That's very 
helpful.

It's odd: Guix is trying to compile /ventoy/init as a SCM file.

- What is the sha256sum of the 1.3.0 ISO image you used?
- Could you try the ‘latest’[0] ISO and report the result?

Kind regards,

T G-R

[0]: https://guix.gnu.org/en/download/latest/

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Message #17 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Tobias Geerinckx-Rice <me <at> tobias.gr>
To: Josselin Poiret <dev <at> jpoiret.xyz>
Cc: bug-guix <at> gnu.org, Panos Alevropoulos <panosalevropoulos <at> proton.me>,
 59466 <at> debbugs.gnu.org
Subject: Re: bug#59466: Kernel panic when installing with Ventoy
Date: Sun, 04 Dec 2022 14:02:37 +0100

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Hi Josselin,

Josselin Poiret via Bug reports for GNU Guix 写道：
> Ventoy is not supported currently. It is up to them to add 
> support for
> Guix, not the other way around: we have some peculiarities with 
> the boot
> process that Ventoy completely ignores.

Ah.  This is true of most dime-a-dozen ‘universal’ ISO booters, 
which merely source a GRUB .cfg and expect distributions to do all 
the work.  I'd shame them by name if they were memorable.  Guix 
indeed doesn't ‘support’ that!

Ventoy actually put some thought & effort into the process.  Like 
all clever hacks, there's some dependence on moon phase and luck, 
but it's not snake oil.

It injects some code into the boot process to expose the ISO file 
as a block device through Linux's device mapper.  Any distribution 
with dm-mod support, including Guix[0] (through dm-crypt), will 
see a ‘real’ block device straight from the kernel.  No distro 
cooperation is required beyond ‘please don't be too clever and 
peek behind the curtain’.  IME, Guix does not do so, and just 
works.

(So why does it fail here…?)

Kind regards,

T G-R

[0]: https://www.ventoy.net/en/distro_iso/gnu_guix.html but do 
note who submitted it ;-)

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Message #23 received at 59466 <at> debbugs.gnu.org (full text, mbox):

From: Tobias Geerinckx-Rice <me <at> tobias.gr>
To: Panos Alevropoulos <panosalevropoulos <at> proton.me>
Cc: 59466 <at> debbugs.gnu.org
Subject: Re: bug#59466: Kernel panic when installing with Ventoy
Date: Sun, 18 Dec 2022 14:19:35 +0100

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Tobias Geerinckx-Rice 写道：
> - What is the sha256sum of the 1.3.0 ISO image you used?
> - Could you try the ‘latest’[0] ISO and report the result?

Poing!  If there's still some latent bug with Ventoy on your 
hardware, now's our last chance to debug it before the release.

[0]: But now with the 1.4.0rc2 image[1] and signature[2].

Kind regards,

T G-R

[1]: 
https://alpha.gnu.org/gnu/guix/guix-system-install-1.4.0rc2.x86_64-linux.iso
[2]: 
https://alpha.gnu.org/gnu/guix/guix-system-install-1.4.0rc2.x86_64-linux.iso.sig

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Message #26 received at 59466 <at> debbugs.gnu.org (full text, mbox):

From: Panos Alevropoulos <panosalevropoulos <at> proton.me>
To: me <at> tobias.gr
Cc: 59466 <at> debbugs.gnu.org
Subject: Re: bug#59466: Kernel panic when installing with Ventoy
Date: Sun, 18 Dec 2022 13:31:12 +0000

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Hi,

Please close this issue, it was fixed when I tried Ventoy with the latest image! Sorry for not letting you know earlier and thank you all for your work.

In freedom,

Panos
-------- Original Message --------
On Dec 18, 2022, 3:19 PM, Tobias Geerinckx-Rice wrote:

> Tobias Geerinckx-Rice 写道： > - What is the sha256sum of the 1.3.0 ISO image you used? > - Could you try the ‘latest’[0] ISO and report the result? Poing! If there's still some latent bug with Ventoy on your hardware, now's our last chance to debug it before the release. [0]: But now with the 1.4.0rc2 image[1] and signature[2]. Kind regards, T G-R [1]: https://alpha.gnu.org/gnu/guix/guix-system-install-1.4.0rc2.x86_64-linux.iso [2]: https://alpha.gnu.org/gnu/guix/guix-system-install-1.4.0rc2.x86_64-linux.iso.sig

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Message #31 received at 59466-done <at> debbugs.gnu.org (full text, mbox):

From: Tobias Geerinckx-Rice <me <at> tobias.gr>
To: Panos Alevropoulos <panosalevropoulos <at> proton.me>
Cc: 59466-done <at> debbugs.gnu.org
Subject: Re: bug#59466: Kernel panic when installing with Ventoy
Date: Sun, 18 Dec 2022 14:54:17 +0100

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Hi Panos,

Panos Alevropoulos 写道：
> Please close this issue,

Done!

> it was fixed when I tried Ventoy with the latest image!

Very glad to hear that.  Thanks for the prompt response!

Kind regards,

T G-R

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