systemd:添加systemd.log_level=debug systemd.log_target=console
作者：互联网
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.14.98-imx_4.14.98_2.0.0_ga+g5d6cbea (oe-user@oe-host) (gcc version 7.3.0 (GCC)) #1 SMP PREEMPT Sun Apr 14 10:53:57 UTC 2019
[ 0.000000] Boot CPU: AArch64 Processor [410fd034]
[ 0.000000] Machine model: Freescale i.MX8MQ EVK
[ 0.000000] earlycon: ec_imx6q0 at MMIO 0x0000000030860000 (options '115200')
[ 0.000000] bootconsole [ec_imx6q0] enabled
[ 0.000000] efi: Getting EFI parameters from FDT:
[ 0.000000] efi: UEFI not found.
[ 0.000000] Reserved memory: created CMA memory pool at 0x0000000064000000, size 64 MiB
[ 0.000000] OF: reserved mem: initialized node linux,cma, compatible id shared-dma-pool
[ 0.000000] NUMA: No NUMA configuration found
[ 0.000000] NUMA: Faking a node at [mem 0x0000000000000000-0x0000000067ffffff]
[ 0.000000] NUMA: NODE_DATA [mem 0x63fe5480-0x63fe727f]
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000050000000-0x0000000067ffffff]
[ 0.000000] Normal empty
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000050000000-0x0000000067ffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000050000000-0x0000000067ffffff]
[ 0.000000] psci: probing for conduit method from DT.
[ 0.000000] psci: PSCIv33792.0 detected in firmware.
[ 0.000000] psci: Using standard PSCI v0.2 function IDs
[ 0.000000] psci: MIGRATE_INFO_TYPE returned unknown type (-2080374778)
[ 0.000000] psci: SMC Calling Convention v1.0
[ 0.000000] percpu: Embedded 24 pages/cpu @ffff800023fc8000 s57624 r8192 d32488 u98304
[ 0.000000] Detected VIPT I-cache on CPU0
[ 0.000000] CPU features: enabling workaround for ARM erratum 845719
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 96768
[ 0.000000] Policy zone: DMA
[ 0.000000] Kernel command line: systemd.show_status=0 systemd.log_level=debug systemd.log_target=console console=ttymxc0,115200 earlycon=ec_imx6q,0x30860000,115200 root=/dev/mmcblk0p2 rootwait rw
[ 0.000000] PID hash table entries: 2048 (order: 2, 16384 bytes)
[ 0.000000] Memory: 287960K/393216K available (13564K kernel code, 1692K rwdata, 6052K rodata, 1280K init, 434K bss, 39720K reserved, 65536K cma-reserved)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] modules : 0xffff000000000000 - 0xffff000008000000 ( 128 MB)
[ 0.000000] vmalloc : 0xffff000008000000 - 0xffff7dffbfff0000 (129022 GB)
[ 0.000000] .text : 0xffff000008080000 - 0xffff000008dc0000 ( 13568 KB)
[ 0.000000] .rodata : 0xffff000008dc0000 - 0xffff0000093b0000 ( 6080 KB)
[ 0.000000] .init : 0xffff0000093b0000 - 0xffff0000094f0000 ( 1280 KB)
[ 0.000000] .data : 0xffff0000094f0000 - 0xffff000009697200 ( 1693 KB)
[ 0.000000] .bss : 0xffff000009697200 - 0xffff000009703b40 ( 435 KB)
[ 0.000000] fixed : 0xffff7dfffe7f9000 - 0xffff7dfffec00000 ( 4124 KB)
[ 0.000000] PCI I/O : 0xffff7dfffee00000 - 0xffff7dffffe00000 ( 16 MB)
[ 0.000000] vmemmap : 0xffff7e0000000000 - 0xffff800000000000 ( 2048 GB maximum)
[ 0.000000] 0xffff7e0000400000 - 0xffff7e0000a00000 ( 6 MB actual)
[ 0.000000] memory : 0xffff800010000000 - 0xffff800028000000 ( 384 MB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[ 0.000000] Preemptible hierarchical RCU implementation.
[ 0.000000] RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=1.
[ 0.000000] Tasks RCU enabled.
[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
[ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0
[ 0.000000] GICv3: no VLPI support, no direct LPI support
[ 0.000000] ITS: No ITS available, not enabling LPIs
[ 0.000000] GICv3: CPU0: found redistributor 0 region 0:0x0000000038880000
[ 0.000000] i.MX8MQ clock driver init done
[ 0.000000] arch_timer: cp15 timer(s) running at 8.33MHz (virt).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x1ec0311ec, max_idle_ns: 440795202152 ns
[ 0.000004] sched_clock: 56 bits at 8MHz, resolution 120ns, wraps every 2199023255541ns
[ 0.008242] Console: colour dummy device 80x25
[ 0.012569] Calibrating delay loop (skipped), value calculated using timer frequency.. 16.66 BogoMIPS (lpj=33333)
[ 0.022524] pid_max: default: 32768 minimum: 301
[ 0.027124] Security Framework initialized
[ 0.031290] Dentry cache hash table entries: 65536 (order: 7, 524288 bytes)
[ 0.038104] Inode-cache hash table entries: 32768 (order: 6, 262144 bytes)
[ 0.044754] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes)
[ 0.051215] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 bytes)
[ 0.074250] ASID allocator initialised with 32768 entries
[ 0.087529] Hierarchical SRCU implementation.
[ 0.099913] Cannot find MU entry in device tree
[ 0.104329] failed to find ocotp node
[ 0.107876] CPU identified as i.MX8MQ, silicon rev 2.0
[ 0.113197] EFI services will not be available.
[ 0.125628] smp: Bringing up secondary CPUs ...
[ 0.130004] smp: Brought up 1 node, 1 CPU
[ 0.133919] SMP: Total of 1 processors activated.
[ 0.138569] CPU features: detected feature: GIC system register CPU interface
[ 0.145539] CPU features: detected feature: 32-bit EL0 Support
[ 0.151248] CPU features: detected feature: Kernel page table isolation (KPTI)
[ 0.161020] CPU: All CPU(s) started at EL1
[ 0.164981] alternatives: patching kernel code
[ 0.169998] devtmpfs: initialized
[ 0.175021] random: get_random_u32 called from bucket_table_alloc+0x108/0x260 with crng_init=0
[ 0.187809] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.197266] futex hash table entries: 256 (order: 3, 32768 bytes)
[ 0.205216] pinctrl core: initialized pinctrl subsystem
[ 0.212225] DMI not present or invalid.
[ 0.217176] NET: Registered protocol family 16
[ 0.223950] cpuidle: using governor menu
[ 0.229606] vdso: 2 pages (1 code @ ffff000008dc6000, 1 data @ ffff0000094f4000)
[ 0.236893] hw-breakpoint: found 6 breakpoint and 4 watchpoint registers.
[ 0.249152] DMA: preallocated 256 KiB pool for atomic allocations
[ 0.256302] Serial: AMBA PL011 UART driver
[ 0.261414] imx rpmsg driver is registered.
[ 0.268139] imx8mq-pinctrl 30330000.iomuxc: initialized IMX pinctrl driver
[ 0.331878] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 0.350873] ACPI: Interpreter disabled.
[ 0.355836] OF: /regulators/usdhc2_vmmc: could not find phandle
[ 0.361910] reg-fixed-voltage: probe of regulators:usdhc2_vmmc failed with error -22
[ 0.369600] OF: /regulators/regulator-gpio: could not find phandle
[ 0.375714] gpio-regulator: probe of regulators:regulator-gpio failed with error -22
[ 0.383647] vgaarb: loaded
[ 0.386862] SCSI subsystem initialized
[ 0.394962] usbcore: registered new interface driver usbfs
[ 0.401033] usbcore: registered new interface driver hub
[ 0.406289] usbcore: registered new device driver usb
[ 0.412339] media: Linux media interface: v0.10
[ 0.417423] Linux video capture interface: v2.00
[ 0.422198] pps_core: LinuxPPS API ver. 1 registered
[ 0.427268] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[ 0.436162] PTP clock support registered
[ 0.440329] EDAC MC: Ver: 3.0.0
[ 0.444387] dmi: Firmware registration failed.
[ 0.449399] Advanced Linux Sound Architecture Driver Initialized.
[ 0.456063] Bluetooth: Core ver 2.22
[ 0.459794] NET: Registered protocol family 31
[ 0.464184] Bluetooth: HCI device and connection manager initialized
[ 0.470377] Bluetooth: HCI socket layer initialized
[ 0.475131] Bluetooth: L2CAP socket layer initialized
[ 0.480096] Bluetooth: SCO socket layer initialized
[ 0.493305] clocksource: Switched to clocksource arch_sys_counter
[ 0.499370] VFS: Disk quotas dquot_6.6.0
[ 0.503220] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 0.510031] pnp: PnP ACPI: disabled
[ 0.524367] NET: Registered protocol family 2
[ 0.530806] TCP established hash table entries: 4096 (order: 3, 32768 bytes)
[ 0.537801] TCP bind hash table entries: 4096 (order: 4, 65536 bytes)
[ 0.544176] TCP: Hash tables configured (established 4096 bind 4096)
[ 0.550387] UDP hash table entries: 256 (order: 1, 8192 bytes)
[ 0.556066] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[ 0.562250] NET: Registered protocol family 1
[ 0.574788] RPC: Registered named UNIX socket transport module.
[ 0.580526] RPC: Registered udp transport module.
[ 0.585126] RPC: Registered tcp transport module.
[ 0.589746] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.596774] kvm [1]: HYP mode not available
[ 0.603013] audit: initializing netlink subsys (disabled)
[ 0.609174] audit: type=2000 audit(0.475:1): state=initialized audit_enabled=0 res=1
[ 0.616805] workingset: timestamp_bits=44 max_order=17 bucket_order=0
[ 0.635184] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 0.646525] NFS: Registering the id_resolver key type
[ 0.651607] Key type id_resolver registered
[ 0.655664] Key type id_legacy registered
[ 0.659619] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 0.666203] jffs2: version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
[ 0.672578] 9p: Installing v9fs 9p2000 file system support
[ 0.683488] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 244)
[ 0.690756] io scheduler noop registered
[ 0.694865] io scheduler cfq registered (default)
[ 0.699469] io scheduler mq-deadline registered
[ 0.703916] io scheduler kyber registered
[ 0.725771] Bus freq driver module loaded
[ 0.731196] Config NOC for VPU and CPU
[ 0.743168] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 0.752620] SuperH (H)SCI(F) driver initialized
[ 0.758649] 30860000.serial: ttymxc0 at MMIO 0x30860000 (irq = 7, base_baud = 1562500) is a IMX
[ 0.767408] console [ttymxc0] enabled
[ 0.767408] console [ttymxc0] enabled
[ 0.774602] bootconsole [ec_imx6q0] disabled
[ 0.774602] bootconsole [ec_imx6q0] disabled
[ 0.783997] msm_serial: driver initialized
[ 0.801145] loop: module loaded
[ 0.808564] slram: not enough parameters.
[ 0.816989] libphy: Fixed MDIO Bus: probed
[ 0.823324] NXP PHY: loading NXP PHY driver: [autonomous mode]
[ 0.830274] tun: Universal TUN/TAP device driver, 1.6
[ 0.835817] CAN device driver interface
[ 0.841040] fec 30be0000.ethernet: 30be0000.ethernet supply phy not found, using dummy regulator
[ 0.850293] pps pps0: new PPS source ptp0
[ 0.858172] failed to find ocotp node
[ 0.863882] libphy: fec_enet_mii_bus: probed
[ 0.869663] fec 30be0000.ethernet eth0: registered PHC device 0
[ 0.876516] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[ 0.882545] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 0.888568] igb: Intel(R) Gigabit Ethernet Network Driver - version 5.4.0-k
[ 0.895531] igb: Copyright (c) 2007-2014 Intel Corporation.
[ 0.901144] igbvf: Intel(R) Gigabit Virtual Function Network Driver - version 2.4.0-k
[ 0.908933] igbvf: Copyright (c) 2009 - 2012 Intel Corporation.
[ 0.915206] sky2: driver version 1.30
[ 0.921044] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 0.928320] ehci-pci: EHCI PCI platform driver
[ 0.932852] ehci-platform: EHCI generic platform driver
[ 0.938321] ehci-orion: EHCI orion driver
[ 0.942495] ehci-exynos: EHCI EXYNOS driver
[ 0.946863] ehci-msm: Qualcomm On-Chip EHCI Host Controller
[ 0.952542] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 0.958734] ohci-pci: OHCI PCI platform driver
[ 0.963289] ohci-platform: OHCI generic platform driver
[ 0.968653] ohci-exynos: OHCI EXYNOS driver
[ 0.973491] usbcore: registered new interface driver usb-storage
[ 0.979757] usbcore: registered new interface driver usb_ehset_test
[ 0.989845] i2c /dev entries driver
[ 0.996571] IR NEC protocol handler initialized
[ 1.002028] IR RC5(x/sz) protocol handler initialized
[ 1.007115] IR RC6 protocol handler initialized
[ 1.011721] IR JVC protocol handler initialized
[ 1.016255] IR Sony protocol handler initialized
[ 1.020876] IR SANYO protocol handler initialized
[ 1.025562] IR Sharp protocol handler initialized
[ 1.030246] IR MCE Keyboard/mouse protocol handler initialized
[ 1.036017] IR XMP protocol handler initialized
[ 1.046065] Bluetooth: HCI UART driver ver 2.3
[ 1.050603] Bluetooth: HCI UART protocol H4 registered
[ 1.055895] Bluetooth: HCI UART protocol BCSP registered
[ 1.061221] Bluetooth: HCI UART protocol ATH3K registered
[ 1.066617] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 1.072981] Bluetooth: HCI UART protocol Broadcom registered
[ 1.078667] Bluetooth: HCI UART protocol QCA registered
[ 1.084918] sdhci: Secure Digital Host Controller Interface driver
[ 1.091420] sdhci: Copyright(c) Pierre Ossman
[ 1.096074] Synopsys Designware Multimedia Card Interface Driver
[ 1.103009] sdhci-pltfm: SDHCI platform and OF driver helper
[ 1.153354] mmc0: SDHCI controller on 30b40000.usdhc [30b40000.usdhc] using ADMA
[ 1.166394] OF: /usdhc@30b50000: could not find phandle
[ 1.171742] sdhci-esdhc-imx: probe of 30b50000.usdhc failed with error -22
[ 1.181483] ledtrig-cpu: registered to indicate activity on CPUs
[ 1.197709] usbcore: registered new interface driver usbhid
[ 1.204153] usbhid: USB HID core driver
[ 1.217725] NET: Registered protocol family 26
[ 1.223598] NET: Registered protocol family 10
[ 1.233227] Segment Routing with IPv6
[ 1.237098] NET: Registered protocol family 17
[ 1.241604] can: controller area network core (rev 20170425 abi 9)
[ 1.247818] NET: Registered protocol family 29
[ 1.253344] can: raw protocol (rev 20170425)
[ 1.257664] can: broadcast manager protocol (rev 20170425 t)
[ 1.263338] can: netlink gateway (rev 20170425) max_hops=1
[ 1.268982] Bluetooth: RFCOMM TTY layer initialized
[ 1.273916] Bluetooth: RFCOMM socket layer initialized
[ 1.279107] Bluetooth: RFCOMM ver 1.11
[ 1.283927] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 1.289257] Bluetooth: BNEP filters: protocol multicast
[ 1.295525] Bluetooth: BNEP socket layer initialized
[ 1.300518] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[ 1.307424] Bluetooth: HIDP socket layer initialized
[ 1.313454] lib80211: common routines for IEEE802.11 drivers
[ 1.319146] 9pnet: Installing 9P2000 support
[ 1.325561] Key type dns_resolver registered
[ 1.336038] registered taskstats version 1
[ 1.356274] failed to find ocotp node
[ 1.369337] cpu cpu0: registered imx8mq-cpufreq
[ 1.484446] mmc0: new HS400 MMC card at address 0001
[ 1.489971] mmcblk0: mmc0:0001 R1J56L 13.8 GiB
[ 1.494927] mmcblk0boot0: mmc0:0001 R1J56L partition 1 4.00 MiB
[ 1.501182] mmcblk0boot1: mmc0:0001 R1J56L partition 2 4.00 MiB
[ 1.507478] mmcblk0rpmb: mmc0:0001 R1J56L partition 3 128 KiB
[ 1.514535] hctosys: unable to open rtc device (rtc0)
[ 1.520333] ALSA device list:
[ 1.523367] No soundcards found.
[ 1.529406] mmcblk0: p1 p2
[ 1.570973] EXT4-fs (mmcblk0p2): recovery complete
[ 1.576756] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 1.584756] VFS: Mounted root (ext4 filesystem) on device 179:2.
[ 1.591098] devtmpfs: mounted
[ 1.594602] Freeing unused kernel memory: 1280K
[ 1.618012] random: fast init done
[ 1.696047] systemd[1]: System time before build time, advancing clock.
标签：systemd,console,log,0.000000,registered,driver,protocol,Bluetooth,initialized 来源： https://www.cnblogs.com/mRRRR/p/10992563.html