We are only seeing it on Azure, but other cloud providers Ubuntu images don't come with shim-signed so that's why I though we could remove it.
lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT loop0 7:0 0 55.5M 1 loop /snap/core18/2074 loop2 7:2 0 32.3M 1 loop /snap/snapd/12398 sda 8:0 0 4G 0 disk /var/lib/rabbitmq sdb 8:16 0 30G 0 disk ├─sdb1 8:17 0 29.9G 0 part / ├─sdb14 8:30 0 4M 0 part └─sdb15 8:31 0 106M 0 part /boot/efi sdc 8:32 0 4G 0 disk └─sdc1 8:33 0 4G 0 part /mnt sr0 11:0 1 638K 0 rom zram0 252:0 0 229.2M 0 disk [SWAP] /etc/fstab # CLOUD_IMG: This file was created/modified by the Cloud Image build process UUID=7339cdbb-1045-46fc-99df-ed81a4d0b313 / ext4 defaults,discard 0 1 UUID=BD61-C33D /boot/efi vfat umask=0077 0 1 /dev/disk/cloud/azure_resource-part1 /mnt auto defaults,nofail,x-systemd.requires=cloud-init.service,comment=cloudconfig 0 2 UUID=face62a9-e9d1-40a2-b94b-d18497d7423d /var/lib/rabbitmq xfs defaults,noatime 0 0 /etc/default/grub # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. # For full documentation of the options in this file, see: # info -f grub -n 'Simple configuration' GRUB_DEFAULT=0 GRUB_TIMEOUT_STYLE=hidden GRUB_TIMEOUT=0 GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian` GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" GRUB_CMDLINE_LINUX="" # Uncomment to enable BadRAM filtering, modify to suit your needs # This works with Linux (no patch required) and with any kernel that obtains # the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...) #GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef" # Uncomment to disable graphical terminal (grub-pc only) #GRUB_TERMINAL=console # The resolution used on graphical terminal # note that you can use only modes which your graphic card supports via VBE # you can see them in real GRUB with the command `vbeinfo' #GRUB_GFXMODE=640x480 # Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux #GRUB_DISABLE_LINUX_UUID=true # Uncomment to disable generation of recovery mode menu entries #GRUB_DISABLE_RECOVERY="true" # Uncomment to get a beep at grub start #GRUB_INIT_TUNE="480 440 1" -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1940723 Title: shim-signed fails to install if grub disk config is incorrect To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1940723/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs