Re: Xen boot strangeness (Was: Re: [SOLVED] Re: Xen 4.18.5_20250521nb0 not ELF binary (Was: Re: EFI and Xen))

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, May 30, 2025 at 12:53:08AM -0400, Chuck Zmudzinski wrote:
> On 5/29/2025 5:20 PM, Chuck Zmudzinski wrote:
> > On 5/29/2025 3:23 PM, Manuel Bouyer wrote:
> >> On Thu, May 29, 2025 at 03:01:50PM -0400, Chuck Zmudzinski wrote:
> >>> [...] 
> >>> When I pass bootdev=dk12 in boot.cfg, the bootloader strangely tries dk1 as root
> >>> (which is wrong) and correctly detects dk11 as the dump device. But it never
> >>> gives me the chance to enter the correct root device and instead tries to load
> >>> init which of course it cannot find the NetBSD init on dk1 because dk1 is not
> >>> the correct NetBSD root device. In fact on this box a Linux distro is installed
> >>> on dk1, as evidenced by the filesystem type detected on dk1: ext2fs.
> >> 
> >> Hum this could be a bug is the boot argiment parsing. I don't have more than
> >> 9 partitions on my disks and root=dkX works in my case.
> 
> So I just noticed you said root=dkX works in your case.
> 
> The Wiki suggests that root=dkX is an outdated, old form that is
> deprecated, so I never tried it and I only tried bootdev=dkX.
> 
> So, does bootdev=dkX also work in your case?

Yes

> 
> Does the code really distinguish between root=dkX and bootdev=dkX?

The code handling root= and bootdev= is the same

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--