[lubuntu-devel] Latest issue with 20.10 & grub & EFI

[Fritz Hudnut]

Folks:

Posting this over here, been having issues with 20.10 functionality since
moving Lu & U-MATE up . . . overall I have to say both are "slow" . . .
slow to boot, slow to reboot, stuff just happens "slowly" . . . not quite
as bad in Lubuntu, but overall the impression to this end-user is "meh" . .
. .  I've filed a number of bug reports, todays involved both Lu & U-MATE
and errors involving grub updating packages that wipe out the other distros
on grub's list.  This problem has been happening for quite a while . . .
devs don't seem to be able to understand the problem????  But, it's just
about a "deal breaker" as far as using ubuntu . . . .

https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1894242

"Today both of my ubuntu 20.10 installs had "grub" packages to upgrade,
Lubuntu & U-MATE . . . over the last year?? upgrading grub in ubuntu has
managed to wipe the grub listings of the other systems I have installed,
leaving only U-MATE to boot up. I've had to use SG2 disk to boot into
OpenSUSE to repair the damages done by the ubuntu grub process . . . it
keeps happening.

Today I ran the Lu apt dist-upgrade and it had a few grub packages to
upgrade . . . I ran them . . . I rebooted and, yep, grub list was again
wiped . . . and into U-MATE we went. I ran apt over here and it showed the
same grub packages . . . since the damage was already done I ran it. This
time it actually showed errors with "grub-install" . . . . I may have other
bug reports on this problem, but it seems like ubuntu's grub doesn't get
"EFI"??? Devs haven't gotten this issue addressed as of this date?? I
copied the data in the console:

[CODE]Setting up grub-pc (2.04-1ubuntu30) ...
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found linux image: /boot/vmlinuz-5.4.0-42-generic
Found initrd image: /boot/initrd.img-5.4.0-42-generic
Found linux image: /boot/vmlinuz-5.4.0-9-generic
Found initrd image: /boot/initrd.img-5.4.0-9-generic
Found Manjaro Linux (20.1) on /dev/sdb7
Found openSUSE Tumbleweed on /dev/sdb8
Found openSUSE Tumbleweed on /dev/sdb9
Found Mac OS X on /dev/sdc2
Found Ubuntu Groovy Gorilla (development branch) (20.10) on /dev/sdc7
done
Setting up grub-efi-amd64-signed (1.151+2.04-1ubuntu30) ...
Installing grub to /var/lib/grub/esp.
Installing for x86_64-efi platform.
Installation finished. No error reported.
Installing grub to /var/lib/grub/esp.
Installing for x86_64-efi platform.
Installation finished. No error reported.
Installing grub to /boot/efi.
Installing for x86_64-efi platform.
Installation finished. No error reported.
Installing grub to /var/lib/grub/esp.
Installing for x86_64-efi platform.
Installation finished. No error reported.
Setting up shim-signed (1.43+15+1552672080.a4a1fbe-0ubuntu2) ...
Installing for x86_64-efi platform.
grub-install: warning: Cannot set EFI variable Boot0000.
grub-install: warning: efivarfs_set_variable: writing to fd 8 failed:
Invalid ar
gument.
grub-install: warning: _efi_set_variable_mode: ops->set_variable() failed:
Inval
id argument.
grub-install: error: failed to register the EFI boot entry: Invalid
argument.
dpkg: error processing package shim-signed (--configure):
 installed shim-signed package post-installation script subprocess returned
erro
r exit status 1
Processing triggers for libc-bin (2.31-2ubuntu1) ...
Processing triggers for systemd (246.2-1ubuntu1) ...
Processing triggers for man-db (2.9.3-2) ...
Processing triggers for install-info (6.7.0.dfsg.2-5) ...
install-info: warning: no info dir entry in `/usr/share/info/
automake-history.in
fo.gz'
Errors were encountered while processing:
 shim-signed
E: Sub-process /usr/bin/dpkg returned an error code (1) [/CODE]"
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