Public bug reported:
I did a fresh Ubuntu 21.04 installation from a USB drive on a machine
which already had Windows 10. I selected default settings for dual-boot,
did not connect to Wifi since I didn't have time to wait for downloads,
and checked 3rd party software. Everything went fine until it was time
to set up grub, at which point I got a fatal error saying grub
installation failed on /dev/sda. The installation program launched
desktop mode, so that I could investigate the problem. I downloaded
boot-repair and launched it but it failed, since the installation
program was still running. Next I shut down the computer and was
surprised to notice that the hard drive did actually boot grub, from
where I was able to select Ubuntu. Though the system had started, I
decided to run boot-repair again just to make sure nothing's missing.
Boot-repair suggested some commands (including apt install -fy) that I
copy-pasted to term, and as a result I lost access to Wifi and could not
mount the USB drive anymore - apparently it had removed network-manager
plus other important packages and had not reinstalled them. At this
point, booting from the hard drive had stopped working, as I was only
presented with a "grub rescue" prompt, so I booted a live system from
the Ubuntu installation flash drive, downloaded boot-repair and ran it
again. Boot-repair claimed to have fixed something but even after that,
I only got a grub rescue prompt. Then I rebooted from the Ubuntu USB
again, and selected reinstallation without removing user files. This
time I connected to Wifi but unchecked updates during installation.
Everything progressed normally until it was again time to set up grub,
and the system gave me the same fatal error as in the beginning. I'm
still looking for a way to make everything work.
The machine is an older HP Pavilion g series laptop with BIOS (no UEFI),
Windows is on /dev/sda1 with around 250 GB of space and the partition I
tried Ubuntu on is at the end of the hard drive with around 450 GB of
space. There are a couple of smaller partitions in between (Windows
rescue etc.).
ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: ubiquity 21.04.19
ProcVersionSignature: Ubuntu 5.11.0-16.17-generic 5.11.12
Uname: Linux 5.11.0-16-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu65
Architecture: amd64
CasperMD5CheckMismatches:
./pool/restricted/n/nvidia-graphics-drivers-390/libnvidia-gl-390_390.141-0ubuntu2_amd64.deb
./pool/restricted/n/nvidia-graphics-drivers-460/libnvidia-gl-460_460.67-0ubuntu1_amd64.deb
CasperMD5CheckResult: fail
CasperVersion: 1.461
CurrentDesktop: ubuntu:GNOME
Date: Tue Jul 20 16:59:52 2021
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed
maybe-ubiquity quiet splash ---
LiveMediaBuild: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)
ProcEnviron:
LANGUAGE=fi_FI.UTF-8
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fi_FI.UTF-8
LC_NUMERIC=C.UTF-8
RebootRequiredPkgs:
linux-image-5.11.0-16-generic
linux-base
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ubiquity (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug hirsute ubiquity-21.04.19 ubuntu
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https://bugs.launchpad.net/bugs/1936967
Title:
grub fails on fresh Ubuntu 21.04 installation
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