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https://bugs.launchpad.net/bugs/1870614
Title:
Unable to boot ubuntu 19.10 or newer on dell xps 9570
Status in linux package in Ubuntu:
Incomplete
Bug description:
Hi,
Since updating my dell xps 9570 (latest BIOS 1.15.0 and a few previous
versions) from 19.04 to 19.10 I have been unable to boot ubuntu. It
fails with the following error quickly flashing:
error: file `/boot/` not found
Then followed by:
error: cannot allocate kernel buffer.
error: you need to load the kernel first.
press any key to continue...
This occurs when doing an update from 19.04 to 19.10 and also when just
booting off a usb drive with 19.10.
When booting off the usb drive. The first error flashes quickly before
displaying the usb installer options. Selecting any install / boot
option results in the second error about kernel buffer.
I have tried all combinations of bios settings I can think of, such as
toggling secure boot and other options. The only thing that made a
difference is booting via USB with LEGACY EXTERNAL DEVICE BOOT. This
allows the installer to complete, but I cannot then boot off the hard
drive.
I have tried the same USB drive with 19.10 on a Dell XPS 7590 with
BIOS 1.2.3 and the USB stick boots fine. I have also tried many
different USB drives on my 9570.
I have tried a few daily builds of 20.04 with the same result. I
tested with 20.04 beta as well.
Note: 19.04 and earlier continues to work no problem.
I have asked for help previously:
* https://askubuntu.com/questions/1183129/19-10-usb-installer-boot-fail
* https://answers.launchpad.net/ubuntu/+question/689546/+index
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: ubuntu-release-upgrader-core 1:19.04.16.9
ProcVersionSignature: Ubuntu 5.0.0-38.41-generic 5.0.21
Uname: Linux 5.0.0-38-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.10-0ubuntu27.3
Architecture: amd64
CrashDB: ubuntu
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 4 06:55:59 2020
InstallationDate: Installed on 2019-10-24 (162 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
PackageArchitecture: all
SourcePackage: ubuntu-release-upgrader
Symptom: dist-upgrade
UpgradeStatus: No upgrade log present (probably fresh install)
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