Hitting this bug and unsure now if we can safel reboot the affected box.
(#) root@wither:~
>>> dpkg --configure -a
Setting up grub-efi-amd64-signed (1.142.6+2.04-1ubuntu26.4) ...
dpkg: error processing package grub-efi-amd64-signed (--configure):
installed grub-efi-amd64-signed package post-installation script subprocess
returned error exit status 1
Errors were encountered while processing:
grub-efi-amd64-signed
Unsure if this is actually accurate but I've seen reference to this
latest grub2-signed bug relating to an incorrectly configured ESP
partition.
Note: this this hapening on a machine with non-GPT partition tables:
Disk /dev/nvme0n1: 476.96 GiB, 512110190592 bytes, 1000215216 sectors
Disk model: KXG50ZNV512G TOSHIBA
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xc3f69e73
Device Boot StartEnd Sectors Size Id Type
/dev/nvme0n1p1 20482099199 20971521G fd Linux raid
autodetect
/dev/nvme0n1p22099200 10487807 83886084G fd Linux raid
autodetect
/dev/nvme0n1p3 10487808 77596671 67108864 32G fd Linux raid
autodetect
/dev/nvme0n1p4 77596672 1000215215 922618544 440G 5 Extended
/dev/nvme0n1p5 77598720 874516479 796917760 380G 83 Linux
/dev/nvme0n1p6 874518528 1000215215 125696688 60G 83 Linux
Open to guinea-pigging fixes if any are uploaded and/or providing more
information.
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https://bugs.launchpad.net/bugs/1896358
Title:
package grub-efi-amd64-signed 1.142.6+2.04-1ubuntu26.4 failed to
install/upgrade: installed grub-efi-amd64-signed package post-
installation script subprocess returned error exit status 1
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