ACPI errors are related to the Advanced Configuration and Power Interface, which helps the operating system manage hardware components and power. These errors can often be ignored if they do not affect system performance, you can try updating your BIOS or kernel parameters which may help resolve them, but sometimes they do not
The main issue here is "Failed to start up manager"
Please boot with systemd.log_level=debug set in kernel cmdline and attach the logs. There's currently too little information for any investigation.
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: Linux version 6.17.0-20-ge>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: Command line: BOOT_IMAGE=/>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: KERNEL supported cpus:
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: Intel GenuineIntel
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: AMD AuthenticAMD
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: Hygon HygonGenuine
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: Centaur CentaurHauls
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: zhaoxin Shanghai
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: x86/split lock detection: >
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-provided physical RAM>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000001>
lines 1-23...skipping...
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: Linux version 6.17.0-20-generic (buildd@lcy02-amd64-120) (x86_64-linux-gnu-gcc-13 (Ubuntu 13.3.0-6ubuntu2~24.04.1) 13.3.0, GNU ld (GNU Binutils for Ubuntu) 2.42) #20~24.04.1-Ubuntu SMP PREEMPT_DYNAMI>
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: Command line: BOOT_IMAGE=/boot/vmlinuz-6.17.0-20-generic root=UUID=51879ee2-445d-4046-96a2-e968d1683b5d ro quiet splash
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: KERNEL supported cpus:
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: Intel GenuineIntel
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: AMD AuthenticAMD
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: Hygon HygonGenuine
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: Centaur CentaurHauls
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: zhaoxin Shanghai
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: x86/split lock detection: #AC: crashing the kernel on kernel split_locks and warning on user-space split_locks
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-provided physical RAM map:
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x0000000000000000-0x000000000009efff] usable
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x000000000009f000-0x00000000000fffff] reserved
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x0000000000100000-0x0000000061514fff] usable
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x0000000061515000-0x0000000065510fff] reserved
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x0000000065511000-0x0000000065d71fff] ACPI NVS
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x0000000065d72000-0x0000000065ffefff] ACPI data
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x0000000065fff000-0x0000000065ffffff] usable
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x0000000066000000-0x00000000787fffff] reserved
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000c0000000-0x00000000cfffffff] reserved
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000f8000000-0x00000000f9ffffff] reserved
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000fed20000-0x00000000fed7ffff] reserved
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: BIOS-e820: [mem 0x0000000100000000-0x000000027fffffff] usable
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: NX (Execute Disable) protection: active
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: APIC: Static calls initialized
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: efi: EFI v2.7 by Dell
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: efi: ACPI=0x65ffe000 ACPI 2.0=0x65ffe014 SMBIOS=0x61da5000 TPMFinalLog=0x65c78000 ESRT=0x61d27018 MEMATTR=0x54ea8018 MOKvar=0x61d71000 INITRD=0x54e74018 RNG=0x65f2e018 TPMEventLog=0x65f1f018
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: random: crng init done
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: efi: Remove mem104: MMIO range=[0xc0000000-0xcfffffff] (256MB) from e820 map
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: e820: remove [mem 0xc0000000-0xcfffffff] reserved
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: efi: Remove mem105: MMIO range=[0xf8000000-0xf9ffffff] (32MB) from e820 map
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: e820: remove [mem 0xf8000000-0xf9ffffff] reserved
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: efi: Remove mem107: MMIO range=[0xff000000-0xffffffff] (16MB) from e820 map
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: e820: remove [mem 0xff000000-0xffffffff] reserved
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: SMBIOS 3.6 present.
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: DMI: Alienware Alienware m16 R2/0P9YG5, BIOS 1.16.0 09/22/2025
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: DMI: Memory slots populated: 1/2
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: secureboot: Secure boot enabled
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: Kernel is locked down from EFI Secure Boot mode; see man kernel_lockdown.7
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: tsc: Detected 3000.000 MHz processor
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: tsc: Detected 2995.200 MHz TSC
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: e820: remove [mem 0x000a0000-0x000fffff] usable
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: last_pfn = 0x280000 max_arch_pfn = 0x400000000
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: MTRR map: 8 entries (3 fixed + 5 variable; max 23), built from 10 variable MTRRs
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: x2apic: enabled by BIOS, switching to x2apic ops
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: last_pfn = 0x66000 max_arch_pfn = 0x400000000
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: esrt: Reserving ESRT space from 0x0000000061d27018 to 0x0000000061d270a0.
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: Using GB pages for direct mapping
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: secureboot: Secure boot enabled
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: RAMDISK: [mem 0x4b06c000-0x5023dfff]
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: Early table checksum verification disabled
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: RSDP 0x0000000065FFE014 000024 (v02 ALWARE)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: XSDT 0x0000000065F30228 00017C (v01 ALWARE Dell Inc 00000002 01000013)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: FACP 0x0000000065FDA000 000114 (v06 ALWARE Dell Inc 00000002 01000013)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: DSDT 0x0000000065F5C000 07AC6C (v02 ALWARE Dell Inc 00000002 01000013)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: FACS 0x0000000065CA2000 000040
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FFC000 00038C (v02 PmaxDv Pmax_Dev 00000001 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FFB000 000689 (v02 PmRef Cpu0Ist 00003000 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FFA000 000603 (v02 PmRef Cpu0Hwp 00003000 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FF9000 0001AB (v02 PmRef Cpu0Psd 00003000 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FF8000 000540 (v02 PmRef Cpu0Cst 00003001 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FF6000 001BAF (v02 PmRef ApIst 00003000 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FF4000 001620 (v02 PmRef ApHwp 00003000 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FF2000 001349 (v02 PmRef ApPsd 00003000 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FF1000 000FBB (v02 PmRef ApCst 00003000 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FED000 003BC8 (v02 CpuRef CpuSsdt 00003000 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: DTPR 0x0000000065FEC000 000088 (v01 00000000 00000000)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FEA000 001E8C (v02 ALWARE AWCCTABL 00001000 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FE6000 00306A (v02 INTEL PDatTabl 00001000 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FE5000 000A3D (v02 INTEL IgfxSsdt 00003000 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: SSDT 0x0000000065FDB000 009B64 (v02 INTEL TcssSsdt 00001000 INTL 20210930)
Apr 18 08:56:57 omnifitense-Alienware-m16-R2 kernel: ACPI: HPET 0x0000000065FD9000 000038 (v01 ALWARE Dell Inc 00000002 01000013)