Public bug reported:
My system works fine using vmlinuz-5.15.0-92-generic. When I run
software update and the new kernel vmlinuz-6.5.0-15-generic is installed
I no longer have a dual monitor system. This is the second time this has
happened and I have to return to a prior kernel version to get the
second monitor to work. I noticed that the prior version is using
"GRAPHICS: Quadro 2000/PCIe/SSE2" found in the SETTINGS ABOUT
information and the new kernel is using "GRAPHICS:llvmpipe (LLVM
15.0.7.256 bits)". Both kernels are using the NVIDIA driver metapackage
from nvidia-driver-390(proprietary tested).
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-6.5.0-15-generic 6.5.0-15.15~22.04.1
ProcVersionSignature: Ubuntu 6.5.0-15.15~22.04.1-generic 6.5.3
Uname: Linux 6.5.0-15-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Tue Jan 30 14:29:15 2024
InstallationDate: Installed on 2024-01-21 (8 days ago)
InstallationMedia: Ubuntu 20.04.6 LTS "Focal Fossa" - Release amd64 (20230316)
SourcePackage: linux-signed-hwe-6.5
UpgradeStatus: Upgraded to jammy on 2024-01-22 (8 days ago)
** Affects: linux-signed-hwe-6.5 (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug jammy
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https://bugs.launchpad.net/bugs/2051730
Title:
vmlinuz-6.5.0-15-generic allows only one monitor to display on dual
monitor video card.
Status in linux-signed-hwe-6.5 package in Ubuntu:
New
Bug description:
My system works fine using vmlinuz-5.15.0-92-generic. When I run
software update and the new kernel vmlinuz-6.5.0-15-generic is
installed I no longer have a dual monitor system. This is the second
time this has happened and I have to return to a prior kernel version
to get the second monitor to work. I noticed that the prior version is
using "GRAPHICS: Quadro 2000/PCIe/SSE2" found in the SETTINGS ABOUT
information and the new kernel is using "GRAPHICS:llvmpipe (LLVM
15.0.7.256 bits)". Both kernels are using the NVIDIA driver
metapackage from nvidia-driver-390(proprietary tested).
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-6.5.0-15-generic 6.5.0-15.15~22.04.1
ProcVersionSignature: Ubuntu 6.5.0-15.15~22.04.1-generic 6.5.3
Uname: Linux 6.5.0-15-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Tue Jan 30 14:29:15 2024
InstallationDate: Installed on 2024-01-21 (8 days ago)
InstallationMedia: Ubuntu 20.04.6 LTS "Focal Fossa" - Release amd64 (20230316)
SourcePackage: linux-signed-hwe-6.5
UpgradeStatus: Upgraded to jammy on 2024-01-22 (8 days ago)
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