*** This bug is a duplicate of bug 1975650 ***
https://bugs.launchpad.net/bugs/1975650
'black screen', 'ubuntu', 'blinking cursor', 'nVidia' do not describe a
bug, but instead are common characteristics of many thousands of
different bugs.
Although bug 1975650 doesn't seem to describe a black screen problem, if
you find that reinstalling the driver fixed the issue (comment #25) then
we should keep this as a duplicate of bug 1975650.
One possible reason for a black screen is that Nvidia systems are known
to sometimes boot to the wrong VT, or even log into the wrong VT. The
workaround for that is to use Ctrl+Alt+F1-FN to find the correct screen.
Like in bug 1960868 and bug 1878838.
If your black screen problem persists after reinstalling the Nvidia
driver, or if you would like to continue debugging that issue, then
please use 'journalctl -b-1' or similar to collect a full system log
from when the black screen was occurring.
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https://bugs.launchpad.net/bugs/1990750
Title:
Boot issue with Ubuntu 22.10 Kinetic Kudu since Kernel 5.19.0.15.15,
now hanging with blinking cursor after update to Kernel 5.19.0.21.21
Status in linux package in Ubuntu:
Confirmed
Bug description:
When starting the PC, the splash screen freezes with the motherboard logo
displayed.
As my disk is encrypted the decryption field does not appear below the logo.
By typing [ALT] + [CTRL] + [DEL] then the splash screen appears again
followed by a start-up menu with the following line:
*Ubuntu
Advanced options for Ubuntu
By selecting 'Advanced options for Ubuntu' the following submenu appears:
*Ubuntu, with Linux5.19.0-15-generic
Ubuntu, with Linux5.19.0-15-generic (recovery mode)
Selecting the second option, then the system starts loading with the initial
lines of code:
Loading Linux 5.19.0-15-generic ...
Loading initial ramdisk ...
When code has finished loading, the last line at the bottom of the screen is
for unlocking the disk:
Begin: Mounting root fie system ... Begin Running /script/local-top ...
Please unlock disk nvme0n1p3_crypt:
Then i type in the code and hit [return] and more code is loading, until a
recovery menu with purple background appears, with the title:
Recovery Menu (filesystem state: read-only).
I select the first menu item:
resume Resume normal boot
and hit [return].
The menu changes to the notification:
You are now going to exit the recovery mode bla bla bla
with the [OK] button below it.
I hit the [OK] button and then the login screen finally appears.
I will post a video of the complete boot sequence later on as I need
to install a softaware to edit the video.
It is noteworthy that on my previous Ubuntu 22.04 install the same
issue with the frozen splash screen occurred when my system was
updated with Kernel 5.15.5, but then I did not try out to execute the
[ALT] + [CTRL] + [DEL] command.
Therefore the bug is probably affecting all kernels from 5.15.5
upwards.
ProblemType: Bug
DistroRelease: Ubuntu 22.10
Package: linux-image-5.19.0-15-generic 5.19.0-15.15
ProcVersionSignature: Ubuntu 5.19.0-15.15-generic 5.19.0
Uname: Linux 5.19.0-15-generic x86_64
NonfreeKernelModules: nvidia_modeset wl nvidia
ApportVersion: 2.23.0-0ubuntu2
Architecture: amd64
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
Date: Sun Sep 25 08:30:29 2022
InstallationDate: Installed on 2022-09-24 (0 days ago)
InstallationMedia: Ubuntu 22.10 "Kinetic Kudu" - Alpha amd64 (20220920)
MachineType: Gigabyte Technology Co., Ltd. Z97X-UD5H
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.19.0-15-generic
root=/dev/mapper/vgubuntu-root ro recovery nomodeset dis_ucode_ldr
RelatedPackageVersions:
linux-restricted-modules-5.19.0-15-generic N/A
linux-backports-modules-5.19.0-15-generic N/A
linux-firmware 20220923.gitf09bebf3-0ubuntu1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/03/2015
dmi.bios.release: 4.6
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F10
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z97X-UD5H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF10:bd08/03/2015:br4.6:svnGigabyteTechnologyCo.,Ltd.:pnZ97X-UD5H:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ97X-UD5H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:skuTobefilledbyO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: Z97X-UD5H
dmi.product.sku: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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