Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/2126674
Title:
Kernel 6.14.0-33-generic fails to boot on Ubuntu 24.04 (NVMe device
not detected, 6.14.0-32 works)
Status in linux package in Ubuntu:
Confirmed
Bug description:
Hello,
After today’s kernel upgrade to linux-image-6.14.0-33-generic, my system is
no longer able to boot.
The same hardware boots fine with previous kernels (6.14.0-32-generic and
6.14.0-29-generic).
Environment
Ubuntu version: Ubuntu 24.04 LTS (Noble Numbat)
Kernel affected: 6.14.0-33-generic (6.14.0-32 works fine)
Architecture: amd64
Installation type: Standard desktop (USB installer originally)
Machine: Asus ROG Strix G614J (laptop)
CPU: Intel (Raptor Lake)
GPU: Intel + NVIDIA hybrid graphics
Disk: NVMe SSD (main system drive)
Steps to reproduce
Update the system (apt upgrade or unattended-upgrades).
New kernel 6.14.0-33-generic is installed (confirmed in
/var/log/dpkg.log at 2025-10-02 09:13).
Reboot system and let GRUB boot with the new kernel (default).
System fails during early kernel initialization.
Expected result
System should boot normally and detect the NVMe SSD as with
6.14.0-32-generic.
Actual result
With 6.14.0-33-generic, the system fails to detect the NVMe drive.
Root partition cannot be mounted.
Boot process halts very early, only fans spin.
No graphical login, no TTY available, system is unresponsive.
A manual reboot is required.
Workaround
Booting via GRUB → Advanced options → selecting 6.14.0-32-generic
works normally.
Kernel 6.14.0-29-generic also boots fine.
The issue is specific to 6.14.0-33-generic.
Additional information
/var/log/dpkg.log confirms installation of linux-
image-6.14.0-33-generic at 2025-10-02 09:13.
No manual kernel installation was done.
Problem appeared immediately after unattended upgrade.
Other users reported issues with this kernel (NVIDIA module install
failures, regressions with peripherals).
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