Failed to install grub-ieee1275 (2.02~beta2-9ubuntu1.16) from Trusty -proposed on a Power8 system

[Po-Hsu Lin]

When trying to run dist-upgrade on a Power8 box with proposed enabled, it will fail with:

grub-install: error: cannot find a GRUB drive for /dev/sda1. Check your device.map.
dpkg: error processing package grub-ieee1275 (--configure):
 subprocess installed post-installation script returned error exit status 1
E: Sub-process /usr/bin/dpkg returned an error code (1)

Please find the attachment for the complete log with grub package installation.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: grub-ieee1275 2.02~beta2-9ubuntu1.16
ProcVersionSignature: User Name 3.13.0-164.214-generic 3.13.11-ckt39
Uname: Linux 3.13.0-164-generic ppc64le
ApportVersion: 2.14.1-0ubuntu3.29
Architecture: ppc64el
Date: Mon Jan 21 09:10:32 2019
ProcLoadAvg: 0.05 0.03 0.05 1/1074 18621
ProcLocks:
 1: POSIX ADVISORY WRITE 3386 00:11:14655 0 EOF
 2: POSIX ADVISORY WRITE 3232 00:11:13595 0 EOF
 3: POSIX ADVISORY WRITE 3335 00:11:73774 0 EOF
 4: FLOCK ADVISORY WRITE 3293 00:11:35886 0 EOF
ProcSwaps:
 Filename Type Size Used Priority
 /swap.img file 8388544 0 -1
ProcVersion: Linux version 3.13.0-164-generic (buildd@bos02-ppc64el-004) (gcc version 4.8.4 (User Name 4.8.4-2ubuntu1~14.04.4) ) #214-User Name SMP Wed Dec 5 10:40:29 UTC 2018
SourcePackage: grub2
UpgradeStatus: No upgrade log present (probably fresh install)
cpu_cores: Number of cores present = 20
cpu_coreson: Number of cores online = 20
cpu_smt: SMT=8

[Andrew Cloke (andrew-cloke)]

May be similar to LP#1792948.