The issue stems from the assumption made by the installer that only EFI
systems need to label disks as GPT. I've created a non-UEFI VM with an 8
GB thin-disk and was able to reproduce the issue, but the following diff
was enough to make the installation to succeed:
---
root@ubuntu:/usr/share/ubiquity# diff -u zsys-setup.orig zsys-setup
--- zsys-setup.orig 2019-12-31 20:53:20.861713613 +0200
+++ zsys-setup 2019-12-31 21:23:50.115938723 +0200
@@ -167,9 +167,11 @@
sfdiskopts=""
partprefix="${disk}${PARTBASE}"
+ labeltype=$(sfdisk -l "${disk}"|grep '^Disklabel type:'|awk '{print
$NF}')
+
echo "I: Formatting disk $disk with partitions grub:${partgrub}
ext:${partext} bpool:${partbpool} rpool:${partrpool}"
- if [ "${IS_EFI}" = "true" ]; then
+ if [ "${IS_EFI}" = "true" -o "${labeltype}" = "gpt" ]; then
# Improvement: Delete all the partitions but the ESP
# We should be only 1 or 2 partittion but well it can be made
generic
---
It is a bit rough and doesn't apply to current HEAD (I applied it to the
live image code) but it shows the issue and how it can be
patched/"workarounded".
Regards, and happy new year.
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https://bugs.launchpad.net/bugs/1856863
Title:
Ubiquity crashes when partitioning the disk with ZFS installation
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