I put "=0" on the end. PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin" MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0 reboot -> login xog session ==> still external monitor is black. [ 0.000000] Linux version 5.15.0-43-generic (buildd@lcy02-amd64-076) (gcc (Ubuntu 11.2.0-19ubuntu1) 11.2.0, GNU ld (GNU Binutils for Ubuntu) 2.38) #46-Ubuntu SMP Tue Jul 12 10:30:17 UTC 2022 (Ubuntu 5.15.0-43.46-generic 5.15.39) [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-43-generic root=UUID=240545ce-be3b-4291-87da-1fe7a719dca4 ro text [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Hygon HygonGenuine [ 0.000000] Centaur CentaurHauls [ 0.000000] zhaoxin Shanghai [ 0.000000] x86/split lock detection: #AC: crashing the kernel on kernel split_locks and warning on user-space split_locks [ 0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000] x86/fpu: Supporting XSAVE feature 0x200: 'Protection Keys User registers' [ 0.000000] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000] x86/fpu: xstate_offset[9]: 832, xstate_sizes[9]: 8 [ 0.000000] x86/fpu: Enabled xstate features 0x207, context size is 840 bytes, using 'compacted' format. [ 0.000000] signal: max sigframe size: 3632 [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009efff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009f000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000008bb6efff] usable [ 0.000000] BIOS-e820: [mem 0x000000008bb6f000-0x0000000090b2efff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000090b2f000-0x000000009172efff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x000000009172f000-0x00000000917fefff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000917ff000-0x00000000917fffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000091800000-0x0000000095ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000097e00000-0x0000000097ffffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000098800000-0x00000000a07fffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000c0000000-0x00000000cfffffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000fed20000-0x00000000fed7ffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x0000000c5f7fffff] usable [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] efi: EFI v2.70 by Lenovo [ 0.000000] efi: ACPI=0x917fe000 ACPI 2.0=0x917fe014 TPMFinalLog=0x9168e000 SMBIOS=0x8d8af000 SMBIOS 3.0=0x8d8a2000 MEMATTR=0x8665c018 ESRT=0x86bae018 MOKvar=0x8665f000 RNG=0x8da2e418 TPMEventLog=0x5de81018 [ 0.000000] efi: seeding entropy pool [ 0.000000] random: fast init done [ 0.000000] secureboot: Secure boot disabled [ 0.000000] SMBIOS 3.4.0 present. [ 0.000000] DMI: LENOVO 21BVCTO1WW/21BVCTO1WW, BIOS N3BET46W (1.24 ) 06/07/2022 [ 0.000000] tsc: Detected 2500.000 MHz processor [ 0.000000] tsc: Detected 2496.000 MHz TSC [ 0.000007] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved [ 0.000010] e820: remove [mem 0x000a0000-0x000fffff] usable [ 0.000017] last_pfn = 0xc5f800 max_arch_pfn = 0x400000000 [ 0.000333] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.002579] total RAM covered: 63936M [ 0.002708] Found optimal setting for mtrr clean up [ 0.002709] gran_size: 64K chunk_size: 128M num_reg: 7 lose cover RAM: 0G [ 0.003419] e820: update [mem 0x9c000000-0xffffffff] usable ==> reserved [ 0.003424] last_pfn = 0x91800 max_arch_pfn = 0x400000000 [ 0.011505] esrt: Reserving ESRT space from 0x0000000086bae018 to 0x0000000086bae2d0. [ 0.011511] e820: update [mem 0x86bae000-0x86baefff] usable ==> reserved [ 0.011523] e820: update [mem 0x8665f000-0x8665ffff] usable ==> reserved [ 0.011542] Using GB pages for direct mapping [ 0.012021] secureboot: Secure boot disabled [ 0.012022] RAMDISK: [mem 0x367e4000-0x3a35afff] [ 0.012029] ACPI: Early table checksum verification disabled [ 0.012033] ACPI: RSDP 0x00000000917FE014 000024 (v02 LENOVO) [ 0.012039] ACPI: XSDT 0x00000000917FC188 000144 (v01 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012047] ACPI: FACP 0x000000008D891000 000114 (v06 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012054] ACPI: DSDT 0x000000008D843000 0493FA (v02 LENOVO ICL 00000002 01000013) [ 0.012059] ACPI: FACS 0x0000000091673000 000040 [ 0.012063] ACPI: SSDT 0x000000008D94A000 00038C (v02 LENOVO Pmax_Dev 00000001 INTL 20200717) [ 0.012067] ACPI: SSDT 0x000000008D932000 005D0B (v02 LENOVO CpuSsdt 00003000 INTL 20200717) [ 0.012071] ACPI: SSDT 0x000000008D931000 00059B (v02 LENOVO CtdpB 00001000 INTL 20200717) [ 0.012075] ACPI: SSDT 0x000000008D8C2000 003203 (v02 LENOVO DptfTabl 00001000 INTL 20200717) [ 0.012079] ACPI: SSDT 0x000000008D893000 00060E (v02 LENOVO Tpm2Tabl 00001000 INTL 20200717) [ 0.012083] ACPI: TPM2 0x000000008D892000 00004C (v04 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012087] ACPI: HPET 0x000000008D890000 000038 (v01 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012091] ACPI: APIC 0x000000008D88F000 0001DC (v05 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012095] ACPI: MCFG 0x000000008D88E000 00003C (v01 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012099] ACPI: ECDT 0x000000008D88D000 000053 (v01 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012103] ACPI: SSDT 0x000000008D840000 002588 (v02 LENOVO AdlP_Rvp 00001000 INTL 20200717) [ 0.012107] ACPI: SSDT 0x000000008D83F000 000083 (v02 LENOVO PID0Ssdt 00000010 INTL 20200717) [ 0.012111] ACPI: SSDT 0x000000008D83B000 003F72 (v02 LENOVO ProjSsdt 00000010 INTL 20200717) [ 0.012115] ACPI: SSDT 0x000000008D838000 002B22 (v02 LENOVO SaSsdt 00003000 INTL 20200717) [ 0.012119] ACPI: SSDT 0x000000008D834000 0035CE (v02 LENOVO IgfxSsdt 00003000 INTL 20200717) [ 0.012124] ACPI: SSDT 0x000000008D826000 00D42A (v02 LENOVO TcssSsdt 00001000 INTL 20200717) [ 0.012127] ACPI: LPIT 0x000000008D825000 0000CC (v01 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012130] ACPI: WSMT 0x000000008D824000 000028 (v01 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012134] ACPI: SSDT 0x000000008D821000 0026B4 (v02 LENOVO TbtTypeC 00000000 INTL 20200717) [ 0.012137] ACPI: DBGP 0x000000008D820000 000034 (v01 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012140] ACPI: DBG2 0x000000008D81F000 000054 (v00 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012143] ACPI: NHLT 0x000000008D81D000 001B64 (v00 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012146] ACPI: MSDM 0x000000008D81C000 000055 (v03 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012150] ACPI: SSDT 0x000000008D806000 000E54 (v02 LENOVO UsbCTabl 00001000 INTL 20200717) [ 0.012153] ACPI: BATB 0x000000008D804000 00004A (v02 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012156] ACPI: DMAR 0x000000008C002000 000088 (v02 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012159] ACPI: SSDT 0x000000008BFFF000 00277B (v01 LENOVO NvOptTbl 00001000 INTL 20200717) [ 0.012162] ACPI: SSDT 0x000000008BFFD000 00129A (v02 LENOVO SocGpe 00003000 INTL 20200717) [ 0.012166] ACPI: SSDT 0x000000008BFF9000 0039DA (v02 LENOVO SocCmn 00003000 INTL 20200717) [ 0.012169] ACPI: SSDT 0x000000008BFF8000 000144 (v02 LENOVO ADebTabl 00001000 INTL 20200717) [ 0.012172] ACPI: ASF! 0x000000008D807000 0000A0 (v32 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012175] ACPI: BGRT 0x000000008BFF7000 000038 (v01 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012178] ACPI: PHAT 0x000000008BFD0000 000598 (v01 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012182] ACPI: UEFI 0x00000000915F3000 000076 (v01 LENOVO TP-N3B 00001240 PTEC 00000002) [ 0.012185] ACPI: FPDT 0x000000008BFCF000 000034 (v01 LENOVO TP-N3B 00001240 PTEC 00001240) [ 0.012187] ACPI: Reserving FACP table memory at [mem 0x8d891000-0x8d891113] [ 0.012189] ACPI: Reserving DSDT table memory at [mem 0x8d843000-0x8d88c3f9] [ 0.012191] ACPI: Reserving FACS table memory at [mem 0x91673000-0x9167303f] [ 0.012192] ACPI: Reserving SSDT table memory at [mem 0x8d94a000-0x8d94a38b] [ 0.012193] ACPI: Reserving SSDT table memory at [mem 0x8d932000-0x8d937d0a] [ 0.012194] ACPI: Reserving SSDT table memory at [mem 0x8d931000-0x8d93159a] [ 0.012196] ACPI: Reserving SSDT table memory at [mem 0x8d8c2000-0x8d8c5202] [ 0.012197] ACPI: Reserving SSDT table memory at [mem 0x8d893000-0x8d89360d] [ 0.012198] ACPI: Reserving TPM2 table memory at [mem 0x8d892000-0x8d89204b] [ 0.012199] ACPI: Reserving HPET table memory at [mem 0x8d890000-0x8d890037] [ 0.012200] ACPI: Reserving APIC table memory at [mem 0x8d88f000-0x8d88f1db] [ 0.012201] ACPI: Reserving MCFG table memory at [mem 0x8d88e000-0x8d88e03b] [ 0.012202] ACPI: Reserving ECDT table memory at [mem 0x8d88d000-0x8d88d052] [ 0.012203] ACPI: Reserving SSDT table memory at [mem 0x8d840000-0x8d842587] [ 0.012204] ACPI: Reserving SSDT table memory at [mem 0x8d83f000-0x8d83f082] [ 0.012205] ACPI: Reserving SSDT table memory at [mem 0x8d83b000-0x8d83ef71] [ 0.012207] ACPI: Reserving SSDT table memory at [mem 0x8d838000-0x8d83ab21] [ 0.012208] ACPI: Reserving SSDT table memory at [mem 0x8d834000-0x8d8375cd] [ 0.012209] ACPI: Reserving SSDT table memory at [mem 0x8d826000-0x8d833429] [ 0.012210] ACPI: Reserving LPIT table memory at [mem 0x8d825000-0x8d8250cb] [ 0.012211] ACPI: Reserving WSMT table memory at [mem 0x8d824000-0x8d824027] [ 0.012212] ACPI: Reserving SSDT table memory at [mem 0x8d821000-0x8d8236b3] [ 0.012213] ACPI: Reserving DBGP table memory at [mem 0x8d820000-0x8d820033] [ 0.012215] ACPI: Reserving DBG2 table memory at [mem 0x8d81f000-0x8d81f053] [ 0.012216] ACPI: Reserving NHLT table memory at [mem 0x8d81d000-0x8d81eb63] [ 0.012217] ACPI: Reserving MSDM table memory at [mem 0x8d81c000-0x8d81c054] [ 0.012218] ACPI: Reserving SSDT table memory at [mem 0x8d806000-0x8d806e53] [ 0.012219] ACPI: Reserving BATB table memory at [mem 0x8d804000-0x8d804049] [ 0.012220] ACPI: Reserving DMAR table memory at [mem 0x8c002000-0x8c002087] [ 0.012222] ACPI: Reserving SSDT table memory at [mem 0x8bfff000-0x8c00177a] [ 0.012223] ACPI: Reserving SSDT table memory at [mem 0x8bffd000-0x8bffe299] [ 0.012224] ACPI: Reserving SSDT table memory at [mem 0x8bff9000-0x8bffc9d9] [ 0.012225] ACPI: Reserving SSDT table memory at [mem 0x8bff8000-0x8bff8143] [ 0.012226] ACPI: Reserving ASF! table memory at [mem 0x8d807000-0x8d80709f] [ 0.012227] ACPI: Reserving BGRT table memory at [mem 0x8bff7000-0x8bff7037] [ 0.012229] ACPI: Reserving PHAT table memory at [mem 0x8bfd0000-0x8bfd0597] [ 0.012230] ACPI: Reserving UEFI table memory at [mem 0x915f3000-0x915f3075] [ 0.012231] ACPI: Reserving FPDT table memory at [mem 0x8bfcf000-0x8bfcf033] [ 0.012803] No NUMA configuration found [ 0.012804] Faking a node at [mem 0x0000000000000000-0x0000000c5f7fffff] [ 0.012813] NODE_DATA(0) allocated [mem 0xc5f7d6000-0xc5f7fffff] [ 0.013162] Zone ranges: [ 0.013163] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.013166] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.013168] Normal [mem 0x0000000100000000-0x0000000c5f7fffff] [ 0.013170] Device empty [ 0.013171] Movable zone start for each node [ 0.013173] Early memory node ranges [ 0.013174] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.013175] node 0: [mem 0x0000000000100000-0x000000008bb6efff] [ 0.013177] node 0: [mem 0x00000000917ff000-0x00000000917fffff] [ 0.013178] node 0: [mem 0x0000000100000000-0x0000000c5f7fffff] [ 0.013182] Initmem setup node 0 [mem 0x0000000000001000-0x0000000c5f7fffff] [ 0.013187] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.013216] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.017527] On node 0, zone DMA32: 23696 pages in unavailable ranges [ 0.103677] On node 0, zone Normal: 26624 pages in unavailable ranges [ 0.103699] On node 0, zone Normal: 2048 pages in unavailable ranges [ 0.103763] Reserving Intel graphics memory at [mem 0x9c800000-0xa07fffff] [ 0.105284] ACPI: PM-Timer IO Port: 0x1808 [ 0.105294] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1]) [ 0.105297] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1]) [ 0.105298] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1]) [ 0.105299] ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1]) [ 0.105300] ACPI: LAPIC_NMI (acpi_id[0x05] high edge lint[0x1]) [ 0.105301] ACPI: LAPIC_NMI (acpi_id[0x06] high edge lint[0x1]) [ 0.105302] ACPI: LAPIC_NMI (acpi_id[0x07] high edge lint[0x1]) [ 0.105303] ACPI: LAPIC_NMI (acpi_id[0x08] high edge lint[0x1]) [ 0.105304] ACPI: LAPIC_NMI (acpi_id[0x09] high edge lint[0x1]) [ 0.105305] ACPI: LAPIC_NMI (acpi_id[0x0a] high edge lint[0x1]) [ 0.105305] ACPI: LAPIC_NMI (acpi_id[0x0b] high edge lint[0x1]) [ 0.105306] ACPI: LAPIC_NMI (acpi_id[0x0c] high edge lint[0x1]) [ 0.105307] ACPI: LAPIC_NMI (acpi_id[0x0d] high edge lint[0x1]) [ 0.105308] ACPI: LAPIC_NMI (acpi_id[0x0e] high edge lint[0x1]) [ 0.105309] ACPI: LAPIC_NMI (acpi_id[0x0f] high edge lint[0x1]) [ 0.105310] ACPI: LAPIC_NMI (acpi_id[0x10] high edge lint[0x1]) [ 0.105311] ACPI: LAPIC_NMI (acpi_id[0x11] high edge lint[0x1]) [ 0.105312] ACPI: LAPIC_NMI (acpi_id[0x12] high edge lint[0x1]) [ 0.105313] ACPI: LAPIC_NMI (acpi_id[0x13] high edge lint[0x1]) [ 0.105314] ACPI: LAPIC_NMI (acpi_id[0x14] high edge lint[0x1]) [ 0.105315] ACPI: LAPIC_NMI (acpi_id[0x15] high edge lint[0x1]) [ 0.105316] ACPI: LAPIC_NMI (acpi_id[0x16] high edge lint[0x1]) [ 0.105317] ACPI: LAPIC_NMI (acpi_id[0x17] high edge lint[0x1]) [ 0.105318] ACPI: LAPIC_NMI (acpi_id[0x00] high edge lint[0x1]) [ 0.105437] IOAPIC[0]: apic_id 2, version 32, address 0xfec00000, GSI 0-119 [ 0.105441] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.105443] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.105448] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.105449] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.105458] e820: update [mem 0x864b2000-0x86576fff] usable ==> reserved [ 0.105467] TSC deadline timer available [ 0.105468] smpboot: Allowing 16 CPUs, 0 hotplug CPUs [ 0.105484] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.105487] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff] [ 0.105489] PM: hibernation: Registered nosave memory: [mem 0x864b2000-0x86576fff] [ 0.105491] PM: hibernation: Registered nosave memory: [mem 0x8665f000-0x8665ffff] [ 0.105493] PM: hibernation: Registered nosave memory: [mem 0x86bae000-0x86baefff] [ 0.105494] PM: hibernation: Registered nosave memory: [mem 0x8bb6f000-0x90b2efff] [ 0.105495] PM: hibernation: Registered nosave memory: [mem 0x90b2f000-0x9172efff] [ 0.105496] PM: hibernation: Registered nosave memory: [mem 0x9172f000-0x917fefff] [ 0.105498] PM: hibernation: Registered nosave memory: [mem 0x91800000-0x95ffffff] [ 0.105499] PM: hibernation: Registered nosave memory: [mem 0x96000000-0x97dfffff] [ 0.105500] PM: hibernation: Registered nosave memory: [mem 0x97e00000-0x97ffffff] [ 0.105501] PM: hibernation: Registered nosave memory: [mem 0x98000000-0x987fffff] [ 0.105502] PM: hibernation: Registered nosave memory: [mem 0x98800000-0xa07fffff] [ 0.105503] PM: hibernation: Registered nosave memory: [mem 0xa0800000-0xbfffffff] [ 0.105504] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xcfffffff] [ 0.105505] PM: hibernation: Registered nosave memory: [mem 0xd0000000-0xfed1ffff] [ 0.105506] PM: hibernation: Registered nosave memory: [mem 0xfed20000-0xfed7ffff] [ 0.105507] PM: hibernation: Registered nosave memory: [mem 0xfed80000-0xffffffff] [ 0.105509] [mem 0xd0000000-0xfed1ffff] available for PCI devices [ 0.105510] Booting paravirtualized kernel on bare hardware [ 0.105514] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns [ 0.105521] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:16 nr_cpu_ids:16 nr_node_ids:1 [ 0.106146] percpu: Embedded 60 pages/cpu s208896 r8192 d28672 u262144 [ 0.106154] pcpu-alloc: s208896 r8192 d28672 u262144 alloc=1*2097152 [ 0.106157] pcpu-alloc: [0] 00 01 02 03 04 05 06 07 [0] 08 09 10 11 12 13 14 15 [ 0.106190] Built 1 zonelists, mobility grouping on. Total pages: 12302242 [ 0.106192] Policy zone: Normal [ 0.106194] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-43-generic root=UUID=240545ce-be3b-4291-87da-1fe7a719dca4 ro text [ 0.106235] Unknown kernel command line parameters "text BOOT_IMAGE=/boot/vmlinuz-5.15.0-43-generic", will be passed to user space. [ 0.111722] Dentry cache hash table entries: 8388608 (order: 14, 67108864 bytes, linear) [ 0.114456] Inode-cache hash table entries: 4194304 (order: 13, 33554432 bytes, linear) [ 0.114607] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.212144] Memory: 48807292K/49990712K available (16393K kernel code, 4382K rwdata, 10800K rodata, 2904K init, 4844K bss, 1183160K reserved, 0K cma-reserved) [ 0.212152] random: get_random_u64 called from kmem_cache_open+0x2b/0x320 with crng_init=1 [ 0.212309] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=16, Nodes=1 [ 0.212324] ftrace: allocating 50457 entries in 198 pages [ 0.228619] ftrace: allocated 198 pages with 4 groups [ 0.228742] rcu: Hierarchical RCU implementation. [ 0.228743] rcu: RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=16. [ 0.228745] Rude variant of Tasks RCU enabled. [ 0.228746] Tracing variant of Tasks RCU enabled. [ 0.228747] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. [ 0.228748] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=16 [ 0.232688] NR_IRQS: 524544, nr_irqs: 2184, preallocated irqs: 16 [ 0.233615] random: crng done (trusting CPU's manufacturer) [ 0.233649] Console: colour dummy device 80x25 [ 0.233868] printk: console [tty0] enabled [ 0.233891] ACPI: Core revision 20210730 [ 0.234269] hpet: HPET dysfunctional in PC10. Force disabled. [ 0.234272] APIC: Switch to symmetric I/O mode setup [ 0.234276] DMAR: Host address width 39 [ 0.234277] DMAR: DRHD base: 0x000000fed90000 flags: 0x0 [ 0.234284] DMAR: dmar0: reg_base_addr fed90000 ver 4:0 cap 1c0000c40660462 ecap 29a00f0505e [ 0.234288] DMAR: DRHD base: 0x000000fed91000 flags: 0x1 [ 0.234292] DMAR: dmar1: reg_base_addr fed91000 ver 5:0 cap d2008c40660462 ecap f050da [ 0.234297] DMAR: RMRR base: 0x0000009c000000 end: 0x000000a07fffff [ 0.234300] DMAR-IR: IOAPIC id 2 under DRHD base 0xfed91000 IOMMU 1 [ 0.234302] DMAR-IR: HPET id 0 under DRHD base 0xfed91000 [ 0.234304] DMAR-IR: Queued invalidation will be enabled to support x2apic and Intr-remapping. [ 0.239583] DMAR-IR: Enabled IRQ remapping in x2apic mode [ 0.239587] x2apic enabled [ 0.239665] Switched APIC routing to cluster x2apic. [ 0.253892] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x23fa772cf26, max_idle_ns: 440795269835 ns [ 0.253901] Calibrating delay loop (skipped), value calculated using timer frequency.. 4992.00 BogoMIPS (lpj=9984000) [ 0.253905] pid_max: default: 32768 minimum: 301 [ 0.257898] LSM: Security Framework initializing [ 0.257898] landlock: Up and running. [ 0.257898] Yama: becoming mindful. [ 0.257898] AppArmor: AppArmor initialized [ 0.257898] Mount-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 0.257898] Mountpoint-cache hash table entries: 131072 (order: 8, 1048576 bytes, linear) [ 0.257898] x86/tme: not enabled by BIOS [ 0.257898] CPU0: Thermal monitoring enabled (TM1) [ 0.257898] x86/cpu: User Mode Instruction Prevention (UMIP) activated [ 0.257898] process: using mwait in idle threads [ 0.257898] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.257898] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.257898] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.257898] Spectre V2 : Mitigation: Enhanced IBRS [ 0.257898] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.257898] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 0.257898] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl and seccomp [ 0.257898] Freeing SMP alternatives memory: 40K [ 0.257898] smpboot: Estimated ratio of average max frequency by base frequency (times 1024): 1597 [ 0.257898] smpboot: CPU0: 12th Gen Intel(R) Core(TM) i7-1270P (family: 0x6, model: 0x9a, stepping: 0x3) [ 0.257898] Performance Events: XSAVE Architectural LBR, PEBS fmt4+-baseline, AnyThread deprecated, Alderlake Hybrid events, 32-deep LBR, full-width counters, Intel PMU driver. [ 0.257898] core: cpu_core PMU driver: [ 0.257898] ... version: 5 [ 0.257898] ... bit width: 48 [ 0.257898] ... generic registers: 8 [ 0.257898] ... value mask: 0000ffffffffffff [ 0.257898] ... max period: 00007fffffffffff [ 0.257898] ... fixed-purpose events: 4 [ 0.257898] ... event mask: 0001000f000000ff [ 0.257898] rcu: Hierarchical SRCU implementation. [ 0.257898] NMI watchdog: Enabled. Permanently consumes one hw-PMU counter. [ 0.257898] smp: Bringing up secondary CPUs ... [ 0.257898] x86: Booting SMP configuration: [ 0.257898] .... node #0, CPUs: #1 #2 #3 #4 #5 #6 #7 #8 [ 0.024355] core: cpu_atom PMU driver: PEBS-via-PT [ 0.024355] ... version: 5 [ 0.024355] ... bit width: 48 [ 0.024355] ... generic registers: 6 [ 0.024355] ... value mask: 0000ffffffffffff [ 0.024355] ... max period: 00007fffffffffff [ 0.024355] ... fixed-purpose events: 3 [ 0.024355] ... event mask: 000000070000003f [ 0.284424] #9 #10 #11 #12 #13 #14 #15 [ 0.314152] smp: Brought up 1 node, 16 CPUs [ 0.314152] smpboot: Max logical packages: 1 [ 0.314152] smpboot: Total of 16 processors activated (79872.00 BogoMIPS) [ 0.319786] devtmpfs: initialized [ 0.319786] x86/mm: Memory block size: 128MB [ 0.322370] ACPI: PM: Registering ACPI NVS region [mem 0x90b2f000-0x9172efff] (12582912 bytes) [ 0.322370] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.322370] futex hash table entries: 4096 (order: 6, 262144 bytes, linear) [ 0.322370] pinctrl core: initialized pinctrl subsystem [ 0.322765] PM: RTC time: 17:49:33, date: 2022-08-08 [ 0.322935] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.323319] DMA: preallocated 4096 KiB GFP_KERNEL pool for atomic allocations [ 0.323679] DMA: preallocated 4096 KiB GFP_KERNEL|GFP_DMA pool for atomic allocations [ 0.324101] DMA: preallocated 4096 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 0.324109] audit: initializing netlink subsys (disabled) [ 0.324117] audit: type=2000 audit(1659980973.068:1): state=initialized audit_enabled=0 res=1 [ 0.324117] thermal_sys: Registered thermal governor 'fair_share' [ 0.324117] thermal_sys: Registered thermal governor 'bang_bang' [ 0.324117] thermal_sys: Registered thermal governor 'step_wise' [ 0.324117] thermal_sys: Registered thermal governor 'user_space' [ 0.324117] thermal_sys: Registered thermal governor 'power_allocator' [ 0.324117] EISA bus registered [ 0.324117] cpuidle: using governor ladder [ 0.324117] cpuidle: using governor menu [ 0.324117] ACPI: bus type PCI registered [ 0.324117] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.324117] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xc0000000-0xcfffffff] (base 0xc0000000) [ 0.324117] PCI: MMCONFIG at [mem 0xc0000000-0xcfffffff] reserved in E820 [ 0.324117] PCI: Using configuration type 1 for base access [ 0.326393] ENERGY_PERF_BIAS: Set to 'normal', was 'performance' [ 0.327029] Kprobes globally optimized [ 0.327033] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 0.327033] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.327033] fbcon: Taking over console [ 0.327033] ACPI: Added _OSI(Module Device) [ 0.327033] ACPI: Added _OSI(Processor Device) [ 0.327033] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.327033] ACPI: Added _OSI(Processor Aggregator Device) [ 0.327033] ACPI: Added _OSI(Linux-Dell-Video) [ 0.327033] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.327033] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.488119] ACPI: 18 ACPI AML tables successfully acquired and loaded [ 0.489896] ACPI: EC: EC started [ 0.489899] ACPI: EC: interrupt blocked [ 0.492075] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 0.492078] ACPI: EC: Boot ECDT EC used to handle transactions [ 0.494396] ACPI: [Firmware Bug]: BIOS _OSI(Linux) query ignored [ 0.528510] ACPI: Dynamic OEM Table Load: [ 0.528520] ACPI: SSDT 0xFFFF948B802B0400 0001AB (v02 PmRef Cpu0Psd 00003000 INTL 20200717) [ 0.529329] ACPI: \_SB_.PR00: _OSC native thermal LVT Acked [ 0.535749] ACPI: USB4 _OSC: OS supports USB3+ DisplayPort+ PCIe+ XDomain+ [ 0.535751] ACPI: USB4 _OSC: OS controls USB3+ DisplayPort+ PCIe+ XDomain+ [ 0.536360] ACPI: Dynamic OEM Table Load: [ 0.536367] ACPI: SSDT 0xFFFF948B81CE5000 000394 (v02 PmRef Cpu0Cst 00003001 INTL 20200717) [ 0.537376] ACPI: Dynamic OEM Table Load: [ 0.537383] ACPI: SSDT 0xFFFF948B81D00000 0005E4 (v02 PmRef Cpu0Ist 00003000 INTL 20200717) [ 0.538533] ACPI: Dynamic OEM Table Load: [ 0.538539] ACPI: SSDT 0xFFFF948B81D05800 000645 (v02 PmRef Cpu0Hwp 00003000 INTL 20200717) [ 0.539890] ACPI: Dynamic OEM Table Load: [ 0.539898] ACPI: SSDT 0xFFFF948B80F78000 001BAF (v02 PmRef ApIst 00003000 INTL 20200717) [ 0.541502] ACPI: Dynamic OEM Table Load: [ 0.541508] ACPI: SSDT 0xFFFF948B82AE6000 001038 (v02 PmRef ApHwp 00003000 INTL 20200717) [ 0.542889] ACPI: Dynamic OEM Table Load: [ 0.542896] ACPI: SSDT 0xFFFF948B82AE4000 001349 (v02 PmRef ApPsd 00003000 INTL 20200717) [ 0.544332] ACPI: Dynamic OEM Table Load: [ 0.544338] ACPI: SSDT 0xFFFF948B81CFA000 000FBB (v02 PmRef ApCst 00003000 INTL 20200717) [ 0.550888] ACPI: Interpreter enabled [ 0.550939] ACPI: PM: (supports S0 S4 S5) [ 0.550940] ACPI: Using IOAPIC for interrupt routing [ 0.550977] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.551611] ACPI: Enabled 10 GPEs in block 00 to 7F [ 0.552218] ACPI: PM: Power Resource [PXP] [ 0.554408] ACPI: PM: Power Resource [PXP] [ 0.555680] ACPI: PM: Power Resource [PUBS] [ 0.558642] ACPI: PM: Power Resource [WWPR] [ 0.558836] ACPI: PM: Power Resource [BTRT] [ 0.561443] ACPI: PM: Power Resource [WRST] [ 0.561548] ACPI: PM: Power Resource [PXP] [ 0.572610] ACPI: PM: Power Resource [TBT0] [ 0.572620] ACPI: PM: Power Resource [TBT1] [ 0.572629] ACPI: PM: Power Resource [D3C] [ 0.874721] ACPI: PM: Power Resource [PIN] [ 0.874733] ACPI: PM: Power Resource [PINP] [ 0.875065] ACPI: PCI Root Bridge [PC00] (domain 0000 [bus 00-fe]) [ 0.875070] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI EDR HPX-Type3] [ 0.877325] acpi PNP0A08:00: _OSC: platform does not support [AER] [ 0.881522] acpi PNP0A08:00: _OSC: OS now controls [PCIeHotplug SHPCHotplug PME PCIeCapability LTR DPC] [ 0.885941] PCI host bridge to bus 0000:00 [ 0.885943] pci_bus 0000:00: root bus resource [bus 00-fe] [ 0.885945] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.885947] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.885948] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.885949] pci_bus 0000:00: root bus resource [mem 0xa0800000-0xbfffffff window] [ 0.885951] pci_bus 0000:00: root bus resource [mem 0x4000000000-0x7fffffffff window] [ 0.887980] pci 0000:00:00.0: [8086:4621] type 00 class 0x060000 [ 0.890197] pci 0000:00:02.0: [8086:46a6] type 00 class 0x030000 [ 0.890204] pci 0000:00:02.0: reg 0x10: [mem 0x6052000000-0x6052ffffff 64bit] [ 0.890209] pci 0000:00:02.0: reg 0x18: [mem 0x4000000000-0x400fffffff 64bit pref] [ 0.890213] pci 0000:00:02.0: reg 0x20: [io 0x3000-0x303f] [ 0.890226] pci 0000:00:02.0: BAR 2: assigned to efifb [ 0.890227] pci 0000:00:02.0: DMAR: Skip IOMMU disabling for graphics [ 0.890229] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.890251] pci 0000:00:02.0: reg 0x344: [mem 0x00000000-0x00ffffff 64bit] [ 0.890253] pci 0000:00:02.0: VF(n) BAR0 space: [mem 0x00000000-0x06ffffff 64bit] (contains BAR0 for 7 VFs) [ 0.890257] pci 0000:00:02.0: reg 0x34c: [mem 0x00000000-0x1fffffff 64bit pref] [ 0.890258] pci 0000:00:02.0: VF(n) BAR2 space: [mem 0x00000000-0xdfffffff 64bit pref] (contains BAR2 for 7 VFs) [ 0.892316] pci 0000:00:04.0: [8086:461d] type 00 class 0x118000 [ 0.892329] pci 0000:00:04.0: reg 0x10: [mem 0x6053180000-0x605319ffff 64bit] [ 0.894627] pci 0000:00:06.0: [8086:464d] type 01 class 0x060400 [ 0.894706] pci 0000:00:06.0: PME# supported from D0 D3hot D3cold [ 0.894736] pci 0000:00:06.0: PTM enabled (root), 4ns granularity [ 0.897209] pci 0000:00:06.2: [8086:463d] type 01 class 0x060400 [ 0.897259] pci 0000:00:06.2: PME# supported from D0 D3hot D3cold [ 0.897278] pci 0000:00:06.2: PTM enabled (root), 4ns granularity [ 0.899810] pci 0000:00:07.0: [8086:466e] type 01 class 0x060400 [ 0.899872] pci 0000:00:07.0: PME# supported from D0 D3hot D3cold [ 0.899893] pci 0000:00:07.0: PTM enabled (root), 4ns granularity [ 0.899897] pci 0000:00:07.0: DPC: RP PIO log size 0 is invalid [ 0.903852] pci 0000:00:07.2: [8086:462f] type 01 class 0x060400 [ 0.903914] pci 0000:00:07.2: PME# supported from D0 D3hot D3cold [ 0.903936] pci 0000:00:07.2: PTM enabled (root), 4ns granularity [ 0.903939] pci 0000:00:07.2: DPC: RP PIO log size 0 is invalid [ 0.906991] pci 0000:00:0a.0: [8086:467d] type 00 class 0x118000 [ 0.906998] pci 0000:00:0a.0: reg 0x10: [mem 0x60531c0000-0x60531c7fff 64bit] [ 0.907016] pci 0000:00:0a.0: enabling Extended Tags [ 0.910074] pci 0000:00:0d.0: [8086:461e] type 00 class 0x0c0330 [ 0.910084] pci 0000:00:0d.0: reg 0x10: [mem 0x60531b0000-0x60531bffff 64bit] [ 0.910123] pci 0000:00:0d.0: PME# supported from D3hot D3cold [ 0.914028] pci 0000:00:0d.2: [8086:463e] type 00 class 0x0c0340 [ 0.914038] pci 0000:00:0d.2: reg 0x10: [mem 0x6053140000-0x605317ffff 64bit] [ 0.914044] pci 0000:00:0d.2: reg 0x18: [mem 0x60531d9000-0x60531d9fff 64bit] [ 0.914073] pci 0000:00:0d.2: supports D1 D2 [ 0.914074] pci 0000:00:0d.2: PME# supported from D0 D1 D2 D3hot D3cold [ 0.916134] pci 0000:00:0d.3: [8086:466d] type 00 class 0x0c0340 [ 0.916144] pci 0000:00:0d.3: reg 0x10: [mem 0x6053100000-0x605313ffff 64bit] [ 0.916150] pci 0000:00:0d.3: reg 0x18: [mem 0x60531d8000-0x60531d8fff 64bit] [ 0.916179] pci 0000:00:0d.3: supports D1 D2 [ 0.916180] pci 0000:00:0d.3: PME# supported from D0 D1 D2 D3hot D3cold [ 0.918461] pci 0000:00:14.0: [8086:51ed] type 00 class 0x0c0330 [ 0.918484] pci 0000:00:14.0: reg 0x10: [mem 0x60531a0000-0x60531affff 64bit] [ 0.918571] pci 0000:00:14.0: PME# supported from D3hot D3cold [ 0.921531] pci 0000:00:14.2: [8086:51ef] type 00 class 0x050000 [ 0.921553] pci 0000:00:14.2: reg 0x10: [mem 0x60531d0000-0x60531d3fff 64bit] [ 0.921567] pci 0000:00:14.2: reg 0x18: [mem 0x60531d7000-0x60531d7fff 64bit] [ 0.924783] pci 0000:00:14.3: [8086:51f0] type 00 class 0x028000 [ 0.924854] pci 0000:00:14.3: reg 0x10: [mem 0x60531cc000-0x60531cffff 64bit] [ 0.925062] pci 0000:00:14.3: PME# supported from D0 D3hot D3cold [ 0.927857] pci 0000:00:15.0: [8086:51e8] type 00 class 0x0c8000 [ 0.928653] pci 0000:00:15.0: reg 0x10: [mem 0x00000000-0x00000fff 64bit] [ 0.934210] pci 0000:00:16.0: [8086:51e0] type 00 class 0x078000 [ 0.934235] pci 0000:00:16.0: reg 0x10: [mem 0x60531d5000-0x60531d5fff 64bit] [ 0.934321] pci 0000:00:16.0: PME# supported from D3hot [ 0.935622] pci 0000:00:16.3: [8086:51e3] type 00 class 0x070002 [ 0.935643] pci 0000:00:16.3: reg 0x10: [io 0x3060-0x3067] [ 0.935656] pci 0000:00:16.3: reg 0x14: [mem 0xbe1a1000-0xbe1a1fff] [ 0.939000] pci 0000:00:1f.0: [8086:5182] type 00 class 0x060100 [ 0.941406] pci 0000:00:1f.3: [8086:51c8] type 00 class 0x040380 [ 0.941473] pci 0000:00:1f.3: reg 0x10: [mem 0x60531c8000-0x60531cbfff 64bit] [ 0.941569] pci 0000:00:1f.3: reg 0x20: [mem 0x6053000000-0x60530fffff 64bit] [ 0.941721] pci 0000:00:1f.3: PME# supported from D3hot D3cold [ 0.944051] pci 0000:00:1f.4: [8086:51a3] type 00 class 0x0c0500 [ 0.944080] pci 0000:00:1f.4: reg 0x10: [mem 0x60531d4000-0x60531d40ff 64bit] [ 0.944106] pci 0000:00:1f.4: reg 0x20: [io 0xefa0-0xefbf] [ 0.945434] pci 0000:00:1f.5: [8086:51a4] type 00 class 0x0c8000 [ 0.945453] pci 0000:00:1f.5: reg 0x10: [mem 0xfe010000-0xfe010fff] [ 0.948591] pci 0000:00:1f.6: [8086:1a1e] type 00 class 0x020000 [ 0.948642] pci 0000:00:1f.6: reg 0x10: [mem 0xbe180000-0xbe19ffff] [ 0.948904] pci 0000:00:1f.6: PME# supported from D0 D3hot D3cold [ 0.949916] pci 0000:02:00.0: [144d:a80a] type 00 class 0x010802 [ 0.949930] pci 0000:02:00.0: reg 0x10: [mem 0xbe000000-0xbe003fff 64bit] [ 0.950104] pci 0000:00:06.0: PCI bridge to [bus 02] [ 0.950107] pci 0000:00:06.0: bridge window [mem 0xbe000000-0xbe0fffff] [ 0.950155] pci 0000:03:00.0: [10de:1f9f] type 00 class 0x030200 [ 0.950164] pci 0000:03:00.0: reg 0x10: [mem 0xbd000000-0xbdffffff] [ 0.950172] pci 0000:03:00.0: reg 0x14: [mem 0x6040000000-0x604fffffff 64bit pref] [ 0.950180] pci 0000:03:00.0: reg 0x1c: [mem 0x6050000000-0x6051ffffff 64bit pref] [ 0.950185] pci 0000:03:00.0: reg 0x24: [io 0x2000-0x207f] [ 0.950190] pci 0000:03:00.0: reg 0x30: [mem 0xfff80000-0xffffffff pref] [ 0.950204] pci 0000:03:00.0: Enabling HDA controller [ 0.950244] pci 0000:03:00.0: PME# supported from D0 D3hot D3cold [ 0.950302] pci 0000:03:00.0: 63.012 Gb/s available PCIe bandwidth, limited by 16.0 GT/s PCIe x4 link at 0000:00:06.2 (capable of 252.048 Gb/s with 16.0 GT/s PCIe x16 link) [ 0.950437] pci 0000:00:06.2: PCI bridge to [bus 03] [ 0.950439] pci 0000:00:06.2: bridge window [io 0x2000-0x2fff] [ 0.950441] pci 0000:00:06.2: bridge window [mem 0xbd000000-0xbdffffff] [ 0.950444] pci 0000:00:06.2: bridge window [mem 0x6040000000-0x6051ffffff 64bit pref] [ 0.950469] pci 0000:00:07.0: PCI bridge to [bus 20-49] [ 0.950473] pci 0000:00:07.0: bridge window [mem 0xb0000000-0xbc1fffff] [ 0.950476] pci 0000:00:07.0: bridge window [mem 0x6000000000-0x601bffffff 64bit pref] [ 0.950501] pci 0000:00:07.2: PCI bridge to [bus 50-79] [ 0.950504] pci 0000:00:07.2: bridge window [mem 0xa2000000-0xae1fffff] [ 0.950507] pci 0000:00:07.2: bridge window [mem 0x6020000000-0x603bffffff 64bit pref] [ 1.354293] ACPI: EC: interrupt unblocked [ 1.354295] ACPI: EC: event unblocked [ 1.354325] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62 [ 1.354326] ACPI: EC: GPE=0x6e [ 1.354327] ACPI: \_SB_.PC00.LPCB.EC__: Boot ECDT EC initialization complete [ 1.354329] ACPI: \_SB_.PC00.LPCB.EC__: EC: Used to handle transactions and events [ 1.354383] iommu: Default domain type: Translated [ 1.354383] iommu: DMA domain TLB invalidation policy: lazy mode [ 1.354383] SCSI subsystem initialized [ 1.354383] libata version 3.00 loaded. [ 1.354383] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=mem,locks=none [ 1.354383] pci 0000:00:02.0: vgaarb: bridge control possible [ 1.354383] pci 0000:00:02.0: vgaarb: setting as boot device [ 1.354383] vgaarb: loaded [ 1.354383] ACPI: bus type USB registered [ 1.354383] usbcore: registered new interface driver usbfs [ 1.354383] usbcore: registered new interface driver hub [ 1.354383] usbcore: registered new device driver usb [ 1.354383] pps_core: LinuxPPS API ver. 1 registered [ 1.354383] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti