Ja das könnte mein DAC sein. Hier habe ich mal die Fehlerzeilen, plus 5 Zeilen Kontext, rausgefiltert:
$ sudo dmesg | grep -iP -C 5 "failed|leaving|wrong|disabled"
[ 0.000387] last_pfn = 0x25e800 max_arch_pfn = 0x400000000
[ 0.000393] MTRR map: 5 entries (3 fixed + 2 variable; max 23), built from 10 variable MTRRs
[ 0.000396] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.000933] last_pfn = 0x9ad00 max_arch_pfn = 0x400000000
[ 0.012394] Using GB pages for direct mapping
[ 0.013426] Secure boot disabled
[ 0.013427] RAMDISK: [mem 0x35f35000-0x36f91fff]
[ 0.013433] ACPI: Early table checksum verification disabled
[ 0.013437] ACPI: RSDP 0x000000009A24B014 000024 (v02 LENOVO)
[ 0.013443] ACPI: XSDT 0x000000009A24A728 0000D4 (v01 LENOVO TC-M2W 00001460 AMI 01000013)
[ 0.013450] ACPI: FACP 0x000000009A23D000 000114 (v06 LENOVO TC-M2W 00001460 AMI 00010013)
[ 0.013458] ACPI: DSDT 0x000000009A1EF000 04DD9A (v02 LENOVO TC-M2W 00001460 INTL 20160527)
[ 0.013463] ACPI: FACS 0x000000009A349000 000040
--
[ 0.104235] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 0.104577] kfence: initialized - using 2097152 bytes for 255 objects at 0x(____ptrval____)-0x(____ptrval____)
[ 0.104629] Console: colour dummy device 80x25
[ 0.104633] printk: console [tty0] enabled
[ 0.104704] ACPI: Core revision 20230628
[ 0.105474] hpet: HPET dysfunctional in PC10. Force disabled.
[ 0.105476] APIC: Switch to symmetric I/O mode setup
[ 0.105478] DMAR: Host address width 39
[ 0.105480] DMAR: DRHD base: 0x000000fed90000 flags: 0x0
[ 0.105487] DMAR: dmar0: reg_base_addr fed90000 ver 1:0 cap 1c0000c40660462 ecap 19e2ff0505e
[ 0.105491] DMAR: DRHD base: 0x000000fed91000 flags: 0x1
--
[ 0.108108] DMAR-IR: Enabled IRQ remapping in x2apic mode
[ 0.108110] x2apic enabled
[ 0.108208] APIC: Switched APIC routing to: cluster x2apic
[ 0.114741] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x39a8208cdd2, max_idle_ns: 881590748921 ns
[ 0.114749] Calibrating delay loop (skipped), value calculated using timer frequency.. 4001.60 BogoMIPS (lpj=6666560)
[ 0.114778] x86/cpu: SGX disabled by BIOS.
[ 0.114789] CPU0: Thermal monitoring enabled (TM1)
[ 0.114853] process: using mwait in idle threads
[ 0.114856] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
[ 0.114858] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4
[ 0.114863] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 0.114866] Spectre V2 : Mitigation: Enhanced / Automatic IBRS
[ 0.114867] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch
[ 0.114868] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT
[ 0.114869] RETBleed: Mitigation: Enhanced IBRS
[ 0.114871] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 0.114874] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[ 0.114881] MMIO Stale Data: Mitigation: Clear CPU buffers
[ 0.114884] SRBDS: Mitigation: Microcode
[ 0.114886] GDS: Mitigation: Microcode
[ 0.114893] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[ 0.114895] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
--
[ 0.129013] PM: RTC time: 03:38:23, date: 2024-02-26
[ 0.129175] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 0.129457] DMA: preallocated 1024 KiB GFP_KERNEL pool for atomic allocations
[ 0.129546] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations
[ 0.129630] DMA: preallocated 1024 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations
[ 0.129648] audit: initializing netlink subsys (disabled)
[ 0.129653] audit: type=2000 audit(1708918703.013:1): state=initialized audit_enabled=0 res=1
[ 0.129653] thermal_sys: Registered thermal governor 'fair_share'
[ 0.129653] thermal_sys: Registered thermal governor 'bang_bang'
[ 0.129653] thermal_sys: Registered thermal governor 'step_wise'
[ 0.129653] thermal_sys: Registered thermal governor 'user_space'
--
[ 0.381357] pnp: PnP ACPI init
[ 0.381357] system 00:00: [mem 0x40000000-0x403fffff] has been reserved
[ 0.381357] system 00:01: [io 0x0a00-0x0a0f] has been reserved
[ 0.381357] system 00:01: [io 0x0a10-0x0a1f] has been reserved
[ 0.381357] system 00:01: [io 0x0a20-0x0a2f] has been reserved
[ 0.381765] pnp 00:02: [dma 0 disabled]
[ 0.382181] system 00:03: [io 0x0680-0x069f] has been reserved
[ 0.382184] system 00:03: [io 0x164e-0x164f] has been reserved
[ 0.382361] system 00:04: [io 0x1854-0x1857] has been reserved
[ 0.382675] system 00:05: [io 0x1800-0x18fe] could not be reserved
[ 0.382680] system 00:05: [mem 0xfd000000-0xfd69ffff] has been reserved
--
[ 3.022153] systemd[1]: Reached target Preparation for Local File Systems.
[ 3.023172] systemd[1]: Virtual Machine and Container Storage (Compatibility) was skipped because of an unmet condition check (ConditionPathExists=/var/lib/machines.raw).
[ 3.023284] systemd[1]: Entropy Daemon based on the HAVEGE algorithm was skipped because of an unmet condition check (ConditionKernelVersion=<5.6).
[ 3.054130] systemd[1]: Starting Journal Service...
[ 3.061280] systemd[1]: Starting Rule-based Manager for Device Events and Files...
[ 3.070961] systemd-journald[364]: Collecting audit messages is disabled.
[ 3.091234] systemd[1]: Started Journal Service.
[ 3.108918] systemd-journald[364]: Received client request to flush runtime journal.
[ 3.122107] systemd-journald[364]: /var/log/journal/fc45a4d821444ea58c9f6d30563c81d8/system.journal: Realtime clock jumped backwards relative to last journal entry, rotating.
[ 3.122110] systemd-journald[364]: Rotating system journal.
[ 3.192288] Consider using thermal netlink events interface
--
[ 3.765584] e1000e 0000:00:1f.6 eth0: (PCI Express:2.5GT/s:Width x1) 38:f3:ab:46:44:14
[ 3.765588] e1000e 0000:00:1f.6 eth0: Intel(R) PRO/1000 Network Connection
[ 3.765676] e1000e 0000:00:1f.6 eth0: MAC: 13, PHY: 12, PBA No: FFFFFF-0FF
[ 4.005955] e1000e 0000:00:1f.6 eno2: renamed from eth0
[ 4.022353] iwlwifi 0000:00:14.3: Detected Intel(R) Wi-Fi 6 AX201 160MHz, REV=0x351
[ 4.022401] thermal thermal_zone6: failed to read out thermal zone (-61)
[ 4.033716] Console: switching to colour dummy device 80x25
[ 4.063972] Bluetooth: Core ver 2.22
[ 4.063987] NET: Registered PF_BLUETOOTH protocol family
[ 4.063988] Bluetooth: HCI device and connection manager initialized
[ 4.064004] Bluetooth: HCI socket layer initialized
--
[ 4.064008] Bluetooth: SCO socket layer initialized
[ 4.084249] i915 0000:00:02.0: vgaarb: deactivate vga console
[ 4.086096] i915 0000:00:02.0: vgaarb: VGA decodes changed: olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 4.087034] i915 0000:00:02.0: [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin (v1.4)
[ 4.087079] mei_hdcp 0000:00:16.0-b638ab7e-94e2-4ea2-a552-d1c54b627f04: bound 0000:00:02.0 (ops i915_hdcp_ops [i915])
[ 4.087344] i915 0000:00:02.0: [drm] [ENCODER:111:DDI C/PHY C] is disabled/in DSI mode with an ungated DDI clock, gate it
[ 4.087347] i915 0000:00:02.0: [drm] [ENCODER:121:DDI D/PHY D] is disabled/in DSI mode with an ungated DDI clock, gate it
[ 4.125191] [drm] Initialized i915 1.6.0 20201103 for 0000:00:02.0 on minor 1
[ 4.128449] ACPI: video: Video Device [GFX0] (multi-head: yes rom: no post: no)
[ 4.128967] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input4
[ 4.129077] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])
[ 4.187772] iwlwifi 0000:00:14.3: Detected RF HR B5, rfid=0x10a100
--
[ 5.966744] Bluetooth: BNEP filters: protocol multicast
[ 5.966747] Bluetooth: BNEP socket layer initialized
[ 5.967411] Bluetooth: MGMT ver 1.22
[ 5.972629] NET: Registered PF_ALG protocol family
[ 6.449169] mc: Linux media interface: v0.10
[ 6.456664] hid-generic 0003:0A92:0054.0001: No inputs registered, leaving
[ 6.456705] hid-generic 0003:0A92:0054.0001: hidraw0: USB HID v1.00 Device [ESI Audiotechnik GmbH Dr. DAC nano] on usb-0000:00:14.0-5.1/input0
[ 6.473362] input: Logitech USB Optical Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8.4/1-8.4:1.0/0003:046D:C05A.0004/input/input11
[ 6.473415] hid-generic 0003:046D:C05A.0004: input,hidraw1: USB HID v1.11 Mouse [Logitech USB Optical Mouse] on usb-0000:00:14.0-8.4/input0
[ 6.473445] usbcore: registered new interface driver usbhid
[ 6.473447] usbhid: USB HID core driver
--
[ 14.183610] Bluetooth: RFCOMM TTY layer initialized
[ 14.183618] Bluetooth: RFCOMM socket layer initialized
[ 14.183631] Bluetooth: RFCOMM ver 1.11
[ 14.988763] sdb: sdb1
[ 14.988914] sd 7:0:0:0: [sdb] Attached SCSI disk
[ 15.012305] scsi 7:0:0:1: Wrong diagnostic page; asked for 1 got 8
[ 15.012311] scsi 7:0:0:1: Failed to get diagnostic page 0x1
[ 15.012312] scsi 7:0:0:1: Failed to bind enclosure -19
[ 15.012331] ses 7:0:0:1: Attached Enclosure device
[ 25.129099] platform INT3515:01: deferred probe pending