[arch-general] gummiboot kernel panic: unable to mount root fs

[David Benfell]

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Hi all,

I haven't seen this one for a while--a long while. I assume it still
means what it used to mean, that is, that I haven't correctly
specified the root partition.

gummiboot is proving to be a bit of an adventure on this Asus X202E.
The gummiboot install command failed to create the boot loader entry,
so I was grateful that the Arch Wiki page on UEFI had not yet been
updated to eliminate the explanation on how to create the entry using
efibootmgr.

What gummiboot install *did* do seems a bit strange--particularly as
it still works according to the old way as documented in the Arch Wiki
page on gummiboot--on my desktop system.

It created a loader.conf with a timeout of 3 and a default with a
moderately long hex string appended with a '-*'. There are no
corresponding entries in the entries subdirectory. The hex string does
not appear to correspond to any PARTUUIDs on the system.

I commented that out and set it up the old way as documented on the
Arch Wiki page, and when that didn't work, discovered that I needed to
use efibootmgr. Now the BIOS--or whatever it's supposed to be called
these days--sees the Gummiboot option at least as a possible override,
but when selected, I get the kernel panic mentioned in the subject.

I'm not quite sure what the best way to proceed is at this point. I
think I'm awfully close to having it working, but it *is* EFI, and so
far, that's always an adventure.

Thanks!
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