What version of the installer shows this issue? 24.04.3 was released
since you filed this bug. Are you able to retry with the latest 24.04.3
installer ISO?
Also, can you boot into a working kernel and collect additional logs?
This bug is missing log files that will aid in diagnosing the problem.
From a terminal window please run:
apport-collect 2119636
and then change the status of the bug to 'Confirmed'.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/2119636
Title:
Ubuntu 24.04 fails to boot with kernel 6.14.0-27-generic on ASRock
GENOAD8X-2T/BCM – reboots after systemd init
Status in linux package in Ubuntu:
Incomplete
Bug description:
Ubuntu 24.04 LTS fails to boot with the kernel linux-
image-6.14.0-27-generic on an ASRock Rack GENOAD8X-2T/BCM motherboard
equipped with an AMD EPYC 9104 CPU. The system enters a reboot loop
shortly after early systemd initialization. Several systemd messages
are briefly shown, followed by an immediate reboot. This behavior
continues indefinitely.
Steps to Reproduce:
1. Update to Ubuntu Server 24.04 LTS or boot the official 24.04
LTS Live/Installer ISO.
2. Use hardware with ASRock Rack GENOAD8X-2T/BCM and AMD EPYC 9104.
3. Boot the system using the default kernel (6.14.0-27-generic).
4. Observe that the system starts systemd, then abruptly resets,
repeating in a loop.
Expected Result:
The system should boot to a login prompt or installation interface.
Actual Result:
After several systemd messages (ending with Reached target Local Encrypted
Volumes.), the system reboots without explanation, and the cycle repeats
indefinitely.
Additional Details:
• Kernel 6.8.0-71-generic works without issue.
• Affected even when booting from Live/Installer ISO — this is
not installation-specific.
• Crash logs are not generated.
• Boot parameters (noapic, nomodeset, etc.) do not mitigate the
issue.
• BIOS configuration has been reviewed and reset to defaults.
• Attached: archive with hardware/grub info + boot failure video
(.mov).
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2119636/+subscriptions
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