Sorry for the late response. I see you've got a dual boot solution in
place, but for anyone looking this up in the future I figured I'd leave
my input.

I've run into this issue before (more than once). For future reference,
I always make sure to do a couple things (this info refers to booting
into EFI/UEFI mode).

1. Prior to install, make a boot partition (format: fat32, size: I go
with 256 MB)
2. Set the flags on the boot partition (using gparted you can right
click on the boot partition you just created >> choose Manage Flags,
and check boot. When you do that it should also check efi. Those should
be the only ones checked.
3. Next there are some options on the gui installer for encrypting the
boot partition and having a separate boot partition. I BELIEVE the way
I've had success is to UNCHECK the option to have a separate boot
partition (it seems to find it anyway unless I'm mistaken).
Encryption option is up to you. If you choose to encrypt your boot
partition, you'll see a prompt in the installer that says the boot
partition will be part of the encrypted file system and you can just
say okay there.

Gabe

On Sun, 2019-11-03 at 12:00 +0100, dng-request@??? wrote:

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>    1. Re: Installation difficulties (Robert Parker)
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> -------------------------------------------------------------------
> ---
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> Message: 1
> Date: Sat, 2 Nov 2019 19:52:32 +0700
> From: Robert Parker <rlp1938@???>
> To: Rick Moen <rick@???>
> Cc: dng@???
> Subject: Re: [DNG] Installation difficulties
> Message-ID:
>     <CAAykW6=6tpdz6EcGJvOFZvgjTEXkpUZ4BpZQUxDKHEQ1kRXExQ@???
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> Content-Type: text/plain; charset="utf-8"

>
> Got it installed and working at last.
>
> I made a successful installation of devuan-ascii onto a partitioning
> scheme
> of my own.
> The installation worked, the grub configuration didn't.
>
> So I plugged in an unused 500 gig drive and installed Kali Linux on
> that.
> The grub configuration following that install worked so now I have a
> dual
> boot Kali - Devuan desktop system.
>
> Bob.
>
>
> On Wed, Oct 30, 2019 at 2:09 PM Rick Moen <rick@???>
> wrote:
>
> > Quoting Robert Parker via Dng (dng@???):
> >
> > > Do questions about problems installing devuan get answered on
> > > this list?
> >
> > When you least expect it!
> >
> > --
> > Cheers,              "I am a member of a civilization
> > (IAAMOAC).  Step back
> > Rick Moen            from anger.  Study how awful our ancestors had
> > it, yet
> > rick@???  they struggled to get you here.  Repay them by
> > appreciating
> > McQ! (4x80)          the civilization you inherited."           --
> > David
> > Brin
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>