apport information ** Attachment added: "UdevDb.txt" https://bugs.launchpad.net/bugs/2119636/+attachment/5898692/+files/UdevDb.txt
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. 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). --- ProblemType: Bug AlsaDevices: total 0 crw-rw----+ 1 root audio 116, 1 Aug 12 17:48 seq crw-rw----+ 1 root audio 116, 33 Aug 12 17:48 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.28.1-0ubuntu3.8 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: [Errno 2] No such file or directory: 'fuser' CRDA: N/A CasperMD5CheckResult: pass DistroRelease: Ubuntu 24.04 InstallationDate: Installed on 2025-08-12 (0 days ago) InstallationMedia: Ubuntu-Server 24.04.3 LTS "Noble Numbat" - Release amd64 (20250805.1) IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' MachineType: To Be Filled By O.E.M. GENOAD8X-2T/BCM Package: linux (not installed) PciMultimedia: ProcEnviron: LANG=C.UTF-8 PATH=(custom, no user) SHELL=/bin/bash TERM=xterm-256color ProcFB: 0 astdrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.8.0-71-generic root=UUID=638b3aba-2cd6-4737-8ae2-7eb14f3e7888 ro ProcVersionSignature: Ubuntu 6.8.0-71.71-generic 6.8.12 RelatedPackageVersions: linux-restricted-modules-6.8.0-71-generic N/A linux-backports-modules-6.8.0-71-generic N/A linux-firmware 20240318.git3b128b60-0ubuntu2.15 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' Tags: noble Uname: Linux 6.8.0-71-generic x86_64 UpgradeStatus: Upgraded to noble on 2025-08-12 (0 days ago) UserGroups: N/A _MarkForUpload: True dmi.bios.date: 09/21/2023 dmi.bios.release: 5.27 dmi.bios.vendor: American Megatrends International, LLC. dmi.bios.version: 1.13 dmi.board.name: GENOAD8X-2T/BCM dmi.board.vendor: ASRockRack dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 17 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInternational,LLC.:bvr1.13:bd09/21/2023:br5.27:svnToBeFilledByO.E.M.:pnGENOAD8X-2T/BCM:pvrToBeFilledByO.E.M.:rvnASRockRack:rnGENOAD8X-2T/BCM:rvr:cvnToBeFilledByO.E.M.:ct17:cvrToBeFilledByO.E.M.:skuToBeFilledByO.E.M.: dmi.product.family: To Be Filled By O.E.M. dmi.product.name: GENOAD8X-2T/BCM dmi.product.sku: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2119636/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp