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I upgraded to latest Ubuntu with no issues a week ago. After a reboot
today, one monitor out of two is black, except for a cursor. I can run
xfce4-display and switch the monitors to make the other monitor black-
with-cursor instead. Some random things I tried from the internet:
Nvidia-settings shows no monitors. Not sure what that means.
Prime-select query reports nvidia (but setting to on-demand doesn't help)
% inxi -Gxx
Graphics:
Device-1: Intel Raptor Lake-S GT1 [UHD Graphics 770] vendor: Dell
driver: i915 v: kernel arch: Xe ports: active: none empty: DP-4,HDMI-A-2
bus-ID: 0000:00:02.0 chip-ID: 8086:a780
Device-2: NVIDIA AD104 [GeForce RTX 4070] vendor: Dell driver: nvidia
v: 570.133.07 arch: Lovelace ports: active: none off: DP-1,HDMI-A-1
empty: DP-2,DP-3 bus-ID: 0000:01:00.0 chip-ID: 10de:2786
Display: x11 server: X.Org v: 21.1.16 compositor: xfwm4 v: 4.20.0 driver:
X: loaded: modesetting,nouveau unloaded: fbdev,vesa dri: swrast
gpu: nvidia,nvidia-nvswitch display-ID: :0.0 screens: 1
Screen-1: 0 s-res: 5120x1440 s-dpi: 96
Monitor-1: DP-1 note: disabled pos: right model: 42890 res: 2560x1440
hz: 60 dpi: 109 diag: 685mm (27")
Monitor-2: HDMI-A-1 mapped: HDMI-1 note: disabled pos: primary,left
model: 42890 res: 2560x1440 hz: 60 dpi: 109 diag: 685mm (27")
API: EGL v: 1.5 platforms: device: 0 drv: iris device: 2 drv: swrast gbm:
drv: iris surfaceless: drv: iris x11: drv: swrast inactive: wayland,device-1
API: OpenGL v: 4.6 compat-v: 4.5 vendor: mesa v: 25.0.3-1ubuntu2
glx-v: 1.4 direct-render: yes renderer: llvmpipe (LLVM 19.1.7 256 bits)
device-ID: ffffffff:ffffffff
Info: Tools: api: eglinfo,glxinfo de: xfce4-display-settings x11: xdriinfo,
xdpyinfo, xprop, xrandr
ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: xorg 1:7.7+23ubuntu4
ProcVersionSignature: Ubuntu 6.14.0-15.15-generic 6.14.0
Uname: Linux 6.14.0-15-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
.proc.driver.nvidia.capabilities.fabric-imex-mgmt:
DeviceFileMinor: 4323
DeviceFileMode: 256
DeviceFileModify: 1
.proc.driver.nvidia.capabilities.gpu0: Error: path was not a regular file.
.proc.driver.nvidia.capabilities.mig: Error: path was not a regular file.
.proc.driver.nvidia.gpus.0000.01.00.0: Error: path was not a regular file.
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.suspend: suspend hibernate resume
.proc.driver.nvidia.suspend_depth: default modeset uvm
.proc.driver.nvidia.version:
NVRM version: NVIDIA UNIX x86_64 Kernel Module 570.133.07 Fri Mar 14
13:12:07 UTC 2025
GCC version:
ApportVersion: 2.32.0-0ubuntu5.1
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CompositorRunning: None
CurrentDesktop: XFCE
Date: Sat May 31 09:13:06 2025
DistUpgraded: 2025-05-13 17:01:52,526 DEBUG icon theme changed, re-reading
DistroCodename: plucky
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Subsystem: Dell Device [1028:0bc0]
NVIDIA Corporation AD104 [GeForce RTX 4070] [10de:2786] (rev a1) (prog-if 00
[VGA controller])
Subsystem: Dell Device [1028:513a]
InstallationDate: Installed on 2024-04-13 (413 days ago)
InstallationMedia: Xubuntu 23.10 "Mantic Minotaur" - Release amd64 (20231010)
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 046e:550f Behavior Tech. Computer Corp. USB Multimedia
Keyboard
Bus 001 Device 003: ID 047d:1029 Kensington Mouse*in*a*Box Optical Elite
Bus 001 Device 004: ID 8087:0033 Intel Corp. AX211 Bluetooth
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
MachineType: Dell Inc. XPS 8960
ProcEnviron:
PATH=(custom, no user)
SHELL=/bin/tcsh
TERM=xterm-256color
XDG_RUNTIME_DIR=<set>
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.14.0-15-generic
root=UUID=cb7673d1-bc0c-4fbd-93a8-02ecfb2cf9fd ro
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to plucky on 2025-05-14 (18 days ago)
dmi.bios.date: 09/06/2024
dmi.bios.release: 2.11
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 2.11.0
dmi.board.name: 0XD433
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 3
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias:
dmi:bvnDellInc.:bvr2.11.0:bd09/06/2024:br2.11:svnDellInc.:pnXPS8960:pvr:rvnDellInc.:rn0XD433:rvrA01:cvnDellInc.:ct3:cvrNotSpecified:sku0BC0:
dmi.product.family: XPS
dmi.product.name: XPS 8960
dmi.product.sku: 0BC0
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.124-2
version.libgl1-mesa-dri: libgl1-mesa-dri 25.0.3-1ubuntu2
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
version.xserver-xorg-core: xserver-xorg-core 2:21.1.16-1ubuntu1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20210115-1build1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.18-1
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug plucky ubuntu
--
One monitor black with cursor after reboot
https://bugs.launchpad.net/bugs/2112244
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