Public bug reported:
I am using subiquity to install the current noble daily ISO (server).
Subiquity failed the step called "installing grub to target devices" and
the logs show that /usr/lib/grub/grub-multi-install failed silently with
exit status 10.
When running the script with `set -x`, we see the following, which seem
to indicate that the absence of a debconf selection variable is causing
trouble:
+ set -e
+ . /usr/share/debconf/confmodule
++ '[' '!' '' ']'
++ PERL_DL_NONLAZY=1
++ export PERL_DL_NONLAZY
++ '[' '' ']'
++ exec /usr/share/debconf/frontend /usr/lib/grub/grub-multi-install
+ set -e
+ . /usr/share/debconf/confmodule
++ '[' '!' 1 ']'
++ '[' -z '' ']'
++ exec
++ '[' '' ']'
++ exec
++ DEBCONF_REDIR=1
++ export DEBCONF_REDIR
++ dpkg-query --control-path grub-common templates
+ db_x_loadtemplatefile /var/lib/dpkg/info/grub-common.templates grub-common
+ _db_cmd 'X_LOADTEMPLATEFILE /var/lib/dpkg/info/grub-common.templates'
grub-common
+ _db_internal_IFS='
'
+ IFS=' '
+ printf '%s\n' 'X_LOADTEMPLATEFILE /var/lib/dpkg/info/grub-common.templates
grub-common'
+ IFS='
'
+ read -r _db_internal_line
+ IFS='
'
+ RET=0
+ case ${_db_internal_line%%[ ]*} in
+ return 0
+ cached_available_ids=
+ db_get grub-efi/cloud_style_installation
+ _db_cmd 'GET grub-efi/cloud_style_installation'
+ _db_internal_IFS='
'
+ IFS=' '
+ printf '%s\n' 'GET grub-efi/cloud_style_installation'
+ IFS='
'
+ read -r _db_internal_line
+ IFS='
'
+ RET='10 grub-efi/cloud_style_installation doesn'\''t exist'
+ case ${_db_internal_line%%[ ]*} in
+ return 10
** Affects: subiquity
Importance: Undecided
Status: New
** Affects: grub2 (Ubuntu)
Importance: Critical
Assignee: Mate Kukri (mkukri)
Status: In Progress
** Tags: foundations-todo
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https://bugs.launchpad.net/bugs/2055294
Title:
/usr/lib/grub/grub-multi-install fails on noble-daily
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