I need to login ubuntu mate (raspberry pi 3) in serial console(with ttyS0).
Currently, the uart only print out these:
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Initializing cgroup subsys cpuset
[ 0.000000] Initializing cgroup subsys cpu
[ 0.000000] Initializing cgroup subsys cpuacct
[ 0.000000] Linux version 4.4.38-v7+ (dc4@dc4-XPS13-9333) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0-88-g8460611) ) #938 SMP Thu Dec 15 15:22:21 6
[ 0.000000] CPU: ARMv7 Processor [410fd034] revision 4 (ARMv7), cr=10c5383d
[ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[ 0.000000] Machine model: Raspberry Pi 3 Model B Rev 1.2
[ 0.000000] cma: Reserved 8 MiB at 0x3d800000
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] [bcm2709_smp_init_cpus] enter (9520->f3003010)
[ 0.000000] [bcm2709_smp_init_cpus] ncores=4
[ 0.000000] PERCPU: Embedded 13 pages/cpu @bcef6000 s22592 r8192 d22464 u53248
[ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 251720
[ 0.000000] Kernel command line: 8250.nr_uarts=1 dma.dmachans=0x7f35 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=416 bcm2709.boardrev=0xa22082 bcm2709.seriat
[ 0.000000] PID hash table entries: 4096 (order: 2, 16384 bytes)
[ 0.000000] Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
[ 0.000000] Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
[ 0.000000] Memory: 987784K/1015808K available (6357K kernel code, 432K rwdata, 1716K rodata, 476K init, 764K bss, 19832K reserved, 8192K cma-reserved)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xbe800000 - 0xff800000 (1040 MB)
[ 0.000000] lowmem : 0x80000000 - 0xbe000000 ( 992 MB)
[ 0.000000] modules : 0x7f000000 - 0x80000000 ( 16 MB)
[ 0.000000] .text : 0x80008000 - 0x807ea688 (8074 kB)
[ 0.000000] .init : 0x807eb000 - 0x80862000 ( 476 kB)
[ 0.000000] .data : 0x80862000 - 0x808ce250 ( 433 kB)
[ 0.000000] .bss : 0x808d1000 - 0x809901ec ( 765 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] Build-time adjustment of leaf fanout to 32.
[ 0.000000] NR_IRQS:16 nr_irqs:16 16
[ 0.000000] Architected cp15 timer(s) running at 19.20MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x46d987e47, max_idle_ns: 440795202767 ns
[ 0.000006] sched_clock: 56 bits at 19MHz, resolution 52ns, wraps every 4398046511078ns
[ 0.000017] Switching to timer-based delay loop, resolution 52ns
[ 0.000186] Console: colour dummy device 80x30
[ 0.000213] Calibrating delay loop (skipped), value calculated using timer frequency.. 38.40 BogoMIPS (lpj=192000)
[ 0.000225] pid_max: default: 32768 minimum: 301
[ 0.000409] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.000417] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.001007] Disabling cpuset control group subsystem
[ 0.001027] Initializing cgroup subsys io
[ 0.001047] Initializing cgroup subsys memory
[ 0.001075] Initializing cgroup subsys devices
[ 0.001087] Initializing cgroup subsys freezer
[ 0.001099] Initializing cgroup subsys net_cls
[ 0.001127] CPU: Testing write buffer coherency: ok
[ 0.001171] ftrace: allocating 21237 entries in 63 pages
[ 0.028852] CPU0: update cpu_capacity 1024
[ 0.028876] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.028884] [bcm2709_smp_prepare_cpus] enter
[ 0.028985] Setting up static identity map for 0x8240 - 0x8274
[ 0.029990] [bcm2709_boot_secondary] cpu:1 started (0) 18
[ 0.030146] [bcm2709_secondary_init] enter cpu:1
[ 0.030175] CPU1: update cpu_capacity 1024
[ 0.030178] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 0.030389] [bcm2709_boot_secondary] cpu:2 started (0) 17
[ 0.030520] [bcm2709_secondary_init] enter cpu:2
[ 0.030531] CPU2: update cpu_capacity 1024
[ 0.030534] CPU2: thread -1, cpu 2, socket 0, mpidr 80000002
[ 0.030726] [bcm2709_boot_secondary] cpu:3 started (0) 17
[ 0.030819] [bcm2709_secondary_init] enter cpu:3
[ 0.030830] CPU3: update cpu_capacity 1024
[ 0.030833] CPU3: thread -1, cpu 3, socket 0, mpidr 80000003
[ 0.030864] Brought up 4 CPUs
[ 0.030876] SMP: Total of 4 processors activated (153.60 BogoMIPS).
[ 0.030881] CPU: All CPU(s) started in HYP mode.
[ 0.030885] CPU: Virtualization extensions available.
[ 0.031258] devtmpfs: initialized
[ 0.036943] VFP support v0.3: implementor 41 architecture 3 part 40 variant 3 rev 4
[ 0.037125] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.037507] pinctrl core: initialized pinctrl subsystem
[ 0.037802] NET: Registered protocol family 16
[ 0.041823] DMA: preallocated 4096 KiB pool for atomic coherent allocations
[ 0.045464] bcm2709: Mini UART enabled
[ 0.045490] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[ 0.045496] hw-breakpoint: maximum watchpoint size is 8 bytes.
[ 0.045576] Serial: AMBA PL011 UART driver
[ 0.045648] uart-pl011 3f201000.uart: could not find pctldev for node /soc/gpio@7e200000/uart0_pins, deferring probe
[ 0.045743] bcm2835-mbox 3f00b880.mailbox: mailbox enabled
[ 0.089835] bcm2835-dma 3f007000.dma: DMA legacy API manager at f3007000, dmachans=0x1
[ 0.090144] SCSI subsystem initialized
[ 0.090244] usbcore: registered new interface driver usbfs
[ 0.090290] usbcore: registered new interface driver hub
[ 0.090341] usbcore: registered new device driver usb
[ 0.098453] raspberrypi-firmware soc:firmware: Attached to firmware from 2016-12-09 15:12
[ 0.124910] clocksource: Switched to clocksource arch_sys_counter
[ 0.148725] FS-Cache: Loaded
[ 0.148900] CacheFiles: Loaded
[ 0.155180] NET: Registered protocol family 2
[ 0.155697] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.155755] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.155850] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.155920] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.155944] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.156070] NET: Registered protocol family 1
[ 0.156255] RPC: Registered named UNIX socket transport module.
[ 0.156261] RPC: Registered udp transport module.
[ 0.156265] RPC: Registered tcp transport module.
[ 0.156270] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.156883] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 7 counters available
[ 0.157577] futex hash table entries: 1024 (order: 4, 65536 bytes)
[ 0.164300] VFS: Disk quotas dquot_6.6.0
[ 0.164460] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[ 0.165642] FS-Cache: Netfs 'nfs' registered for caching
[ 0.166109] NFS: Registering the id_resolver key type
[ 0.166138] Key type id_resolver registered
[ 0.166143] Key type id_legacy registered
[ 0.167366] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
[ 0.167440] io scheduler noop registered
[ 0.167449] io scheduler deadline registered (default)
[ 0.167476] io scheduler cfq registered
[ 0.168883] BCM2708FB: allocated DMA memory fdc10000
[ 0.168899] BCM2708FB: allocated DMA channel 0 @ f3007000
[ 0.172403] Console: switching to colour frame buffer device 82x26
[ 0.174075] Serial: 8250/16550 driver, 1 ports, IRQ sharing disabled
[ 0.174599] console [ttyS0] disabled
[ 0.174639] 3f215040.uart: ttyS0 at MMIO 0x3f215040 (irq = 59, base_baud = 31250000) is a 16550
[ 0.905239] console [ttyS0] enabled
[ 0.909032] KGDB: Registered I/O driver kgdboc
[ 0.935293] bcm2835-rng 3f104000.rng: hwrng registered
[ 0.940544] vc-cma: Videocore CMA driver
[ 0.944517] vc-cma: vc_cma_base = 0x00000000
[ 0.949296] vc-cma: vc_cma_size = 0x00000000 (0 MiB)
[ 0.954766] vc-cma: vc_cma_initial = 0x00000000 (0 MiB)
[ 0.960356] vc-mem: phys_addr:0x00000000 mem_base=0x3ea00000 mem_size:0x3f000000(1008 MiB)
[ 0.976405] brd: module loaded
[ 0.984016] loop: module loaded
[ 0.987813] vchiq: vchiq_init_state: slot_zero = 0xbdc80000, is_master = 0
[ 0.995984] Loading iSCSI transport class v2.0-870.
[ 1.001282] usbcore: registered new interface driver smsc95xx
[ 1.007151] dwc_otg: version 3.00a 10-AUG-2012 (platform bus)
[ 1.213162] Core Release: 2.80a
[ 1.216366] Setting default values for core params
[ 1.221238] Finished setting default values for core params
[ 1.427098] Using Buffer DMA mode
[ 1.430454] Periodic Transfer Interrupt Enhancement - disabled
[ 1.436371] Multiprocessor Interrupt Enhancement - disabled
[ 1.442018] OTG VER PARAM: 0, OTG VER FLAG: 0
[ 1.446440] Dedicated Tx FIFOs mode
[ 1.450160] WARN::dwc_otg_hcd_init:1047: FIQ DMA bounce buffers: virt = 0xbdc04000 dma = 0xfdc04000 len=9024
[ 1.460150] FIQ FSM acceleration enabled for :
[ 1.460150] Non-periodic Split Transactions
[ 1.460150] Periodic Split Transactions
[ 1.460150] High-Speed Isochronous Endpoints
[ 1.460150] Interrupt/Control Split Transaction hack enabled
[ 1.482851] WARN::hcd_init_fiq:413: FIQ on core 1 at 0x8044844c
[ 1.488851] WARN::hcd_init_fiq:414: FIQ ASM at 0x804487bc length 36
[ 1.495206] WARN::hcd_init_fiq:439: MPHI regs_base at 0xbe87e000
[ 1.501332] dwc_otg 3f980000.usb: DWC OTG Controller
[ 1.506387] dwc_otg 3f980000.usb: new USB bus registered, assigned bus number 1
[ 1.513811] dwc_otg 3f980000.usb: irq 62, io mem 0x00000000
[ 1.519501] Init: Port Power? op_state=1
[ 1.523471] Init: Power Port (0)
[ 1.526852] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[ 1.533734] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 1.541065] usb usb1: Product: DWC OTG Controller
[ 1.545840] usb usb1: Manufacturer: Linux 4.4.38-v7+ dwc_otg_hcd
[ 1.551927] usb usb1: SerialNumber: 3f980000.usb
[ 1.557043] hub 1-0:1.0: USB hub found
[ 1.560857] hub 1-0:1.0: 1 port detected
[ 1.565362] usbcore: registered new interface driver usb-storage
[ 1.571587] mousedev: PS/2 mouse device common for all mice
[ 1.577688] bcm2835-cpufreq: min=1200000 max=1200000
[ 1.582862] sdhci: Secure Digital Host Controller Interface driver
[ 1.589143] sdhci: Copyright(c) Pierre Ossman
[ 1.593740] sdhost: log_buf @ bdc07000 (fdc07000)
[ 1.654923] mmc0: sdhost-bcm2835 loaded - DMA enabled (>1)
[ 1.662530] mmc-bcm2835 3f300000.mmc: mmc_debug:0 mmc_debug2:0
[ 1.668456] mmc-bcm2835 3f300000.mmc: DMA channel allocated
[ 1.712410] mmc0: host does not support reading read-only switch, assuming write-enable
[ 1.714968] sdhci-pltfm: SDHCI platform and OF driver helper
[ 1.715179] ledtrig-cpu: registered to indicate activity on CPUs
[ 1.715243] hidraw: raw HID events driver (C) Jiri Kosina
[ 1.715342] usbcore: registered new interface driver usbhid
[ 1.715343] usbhid: USB HID core driver
[ 1.715635] Initializing XFRM netlink socket
[ 1.715651] NET: Registered protocol family 17
[ 1.715729] Key type dns_resolver registered
[ 1.716023] Registering SWP/SWPB emulation handler
[ 1.716439] registered taskstats version 1
[ 1.716548] vc-sm: Videocore shared memory driver
[ 1.716553] [vc_sm_connected_init]: start
[ 1.726340] vc_vchi_sm_init: failed to open VCHI service (-1)
[ 1.726340] [vc_sm_connected_init]: failed to initialize shared memory service
[ 1.726343] [vc_sm_connected_init]: end - returning -1
[ 1.727508] 3f201000.uart: ttyAMA0 at MMIO 0x3f201000 (irq = 87, base_baud = 0) is a PL011 rev2
[ 1.727703] of_cfs_init
[ 1.727755] of_cfs_init: OK
[ 1.764981] Indeed it is in host mode hprt0 = 00021501
[ 1.816444] Waiting for root device /dev/mmcblk0p2...
[ 1.821731] mmc0: new high speed SDHC card at address 0002
[ 1.827679] mmcblk0: mmc0:0002 USD00 14.9 GiB
[ 1.833133] mmcblk0: p1 p2
[ 1.852079] mmc1: queuing unknown CIS tuple 0x80 (2 bytes)
[ 1.859149] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 1.866214] mmc1: queuing unknown CIS tuple 0x80 (3 bytes)
[ 1.874480] mmc1: queuing unknown CIS tuple 0x80 (7 bytes)
[ 1.935076] EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
[ 1.943308] VFS: Mounted root (ext4 filesystem) readonly on device 179:2.
[ 1.944925] usb 1-1: new high-speed USB device number 2 using dwc_otg
[ 1.945016] Indeed it is in host mode hprt0 = 00001101
[ 1.962587] devtmpfs: mounted
[ 1.966053] Freeing unused kernel memory: 476K (807eb000 - 80862000)
[ 1.994156] mmc1: new high speed SDIO card at address 0001
[ 2.145120] usb 1-1: New USB device found, idVendor=0424, idProduct=9514
[ 2.151924] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 2.159639] hub 1-1:1.0: USB hub found
[ 2.163492] hub 1-1:1.0: 5 ports detected
[ 2.268104] systemd[1]: System time before build time, advancing clock.
[ 2.392607] NET: Registered protocol family 10
[ 2.409048] random: systemd: uninitialized urandom read (16 bytes read, 71 bits of entropy available)
[ 2.421292] systemd[1]: systemd 229 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL)
[ 2.439951] systemd[1]: Detected architecture arm.
[ 2.444935] usb 1-1.1: new high-speed USB device number 3 using dwc_otg
Welcome to Ubuntu 16.04.2 LTS!
[ 2.475630] systemd[1]: Set hostname to <zlr-desktop>.
[ 2.522138] random: systemd: uninitialized urandom read (16 bytes read, 72 bits of entropy available)
[ 2.531410] random: systemd-cryptse: uninitialized urandom read (16 bytes read, 72 bits of entropy available)
[ 2.554675] random: systemd-sysv-ge: uninitialized urandom read (16 bytes read, 72 bits of entropy available)
[ 2.565358] usb 1-1.1: New USB device found, idVendor=0424, idProduct=ec00
[ 2.570947] random: systemd-gpt-aut: uninitialized urandom read (16 bytes read, 72 bits of entropy available)
[ 2.571124] random: systemd-gpt-aut: uninitialized urandom read (16 bytes read, 72 bits of entropy available)
[ 2.592545] usb 1-1.1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[ 2.595082] smsc95xx v1.0.4
[ 2.620129] random: systemd-sysv-ge: uninitialized urandom read (16 bytes read, 74 bits of entropy available)
[ 2.656987] smsc95xx 1-1.1:1.0 eth0: register 'smsc95xx' at usb-3f980000.usb-1.1, smsc95xx USB 2.0 Ethernet, b8:27:eb:ef:2c:db
[ 2.765659] random: systemd-sysv-ge: uninitialized urandom read (16 bytes read, 78 bits of entropy available)
[ 2.833101] random: systemd: uninitialized urandom read (16 bytes read, 79 bits of entropy available)
[ 2.842600] random: systemd: uninitialized urandom read (16 bytes read, 79 bits of entropy available)
[ 2.904954] usb 1-1.5: new high-speed USB device number 4 using dwc_otg
[ 3.024049] systemd[1]: Created slice System Slice.
[ OK ] Created slice System Slice.
[ 3.045357] systemd[1]: Created slice User and Session Slice.
[ 3.047401] usb 1-1.5: New USB device found, idVendor=0480, idProduct=a004
[ 3.047406] usb 1-1.5: New USB device strings: Mfr=2, Product=3, SerialNumber=1
[ 3.047409] usb 1-1.5: Product: External USB HDD
[ 3.047414] usb 1-1.5: Manufacturer: Toshiba
[ 3.047417] usb 1-1.5: SerialNumber: 201102273817
[ 3.049158] usb-storage 1-1.5:1.0: USB Mass Storage device detected
[ 3.085853] scsi host0: usb-storage 1-1.5:1.0
[ OK ] Created slice User and Session Slice.
[ 3.115028] systemd[1]: Reached target Remote File Systems (Pre).
[ OK ] Reached target Remote File Systems (Pre).
[ 3.144988] systemd[1]: Reached target Remote File Systems.
[ OK ] Reached target Remote File Systems.
[ 3.175183] systemd[1]: Listening on Journal Socket.
[ OK ] Listening on Journal Socket.
[ 3.235102] systemd[1]: Mounting POSIX Message Queue File System...
Mounting POSIX Message Queue File System...
[ 3.294000] systemd[1]: Started Forward Password Requests to Wall Directory Watch.
[ OK ] Started Forward Password Requests to Wall Directory Watch.
[ 3.325288] systemd[1]: Listening on /dev/initctl Compatibility Named Pipe.
[ OK ] Listening on /dev/initctl Compatibility Named Pipe.
[ 3.355437] systemd[1]: Created slice system-serial\x2dgetty.slice.
[ OK ] Created slice system-serial\x2dgetty.slice.
[ 3.384998] systemd[1]: Reached target Slices.
[ OK ] Reached target Slices.
[ 3.405073] systemd[1]: Listening on udev Kernel Socket.
[ OK ] Listening on udev Kernel Socket.
[ 3.435056] systemd[1]: Listening on fsck to fsckd communication Socket.
[ OK ] Listening on fsck to fsckd communication Socket.
[ 3.465310] systemd[1]: Created slice system-systemd\x2dfsck.slice.
[ OK ] Created slice system-systemd\x2dfsck.slice.
[ 3.525166] systemd[1]: Starting Nameserver information manager...
Starting Nameserver information manager...
[ 3.555171] systemd[1]: Listening on udev Control Socket.
[ OK ] Listening on udev Control Socket.
[ 3.585019] systemd[1]: Reached target Encrypted Volumes.
[ OK ] Reached target Encrypted Volumes.
[ 3.615047] systemd[1]: Listening on Syslog Socket.
[ OK ] Listening on Syslog Socket.
[ 3.635111] systemd[1]: Started Trigger resolvconf update for networkd DNS.
[ OK ] Started Trigger resolvconf update for networkd DNS.
[ 3.695328] systemd[1]: Starting Set console keymap...
Starting Set console keymap...
[ 3.717485] systemd[1]: Starting Uncomplicated firewall...
Starting Uncomplicated firewall...
[ 3.747865] systemd[1]: Mounting Debug File System...
Mounting Debug File System...
[ 3.775580] systemd[1]: Set up automount Arbitrary Executable File Formats File System Automount Point.
[ OK ] Set up automount Arbitrary Executab...ats File System Automount Point.
[ 3.865474] systemd[1]: Starting Load Kernel Modules...
Starting Load Kernel Modules...
[ 3.886948] systemd[1]: Started Read required files in advance.
[ 3.893593] i2c /dev entries driver
32m OK ] Started Read required files in advance.
[ 3.918678] systemd[1]: Listening on Journal Socket (/dev/log).
[ 3.925485] media: Linux media interface: v0.10
m OK ] Listening on Journal Socket (/dev/log).
[ 3.949326] Linux video capture interface: v2.00
[ 3.975298] bcm2835_v4l2: Failed to open VCHI service connection (status=-1)
[ 3.985506] systemd[1]: Starting Journal Service...
Starting Journal Service...
[ 4.007240] systemd[1]: Starting Create list of required static device nodes for the current kernel...
Starting Create list of required st... nodes for the current kernel...
[ 4.035104] systemd[1]: Reached target Swap.
[ OK ] Reached target Swap.
[ 4.119895] systemd[1]: Mounted Debug File System.
[ OK ] Mounted Debug File System.
[ 4.145238] systemd[1]: Mounted POSIX Message Queue File System.
[ OK ] Mounted POSIX Message Queue File System.
[ 4.175404] systemd[1]: Started Journal Service.
[ OK ] Started Journal Service.
[ OK ] Started Set console keymap.
[ OK ] Started Uncomplicated firewall.
[FAILED] Failed to start Load Kernel Modules.
See 'systemctl status systemd-modules-load.service' for details.
[ OK ] Started Create list of required sta...ce nodes for the current kernel.
[ OK ] Started Nameserver information manager.
[ OK ] Reached target Network (Pre).
Starting Create Static Device Nodes in /dev...
Mounting Configuration File System...
Starting Apply Kernel Variables...
[ OK ] Mounted Configuration File System.
[ OK ] Started Create Static Device Nodes in /dev.
[ OK ] Started Apply Kernel Variables.
Starting udev Kernel Device Manager...
[ OK ] Started udev Kernel Device Manager.
[ OK ] Reached target Sound Card.
Starting LSB: Switch to ondemand cp...(unless shift key is pressed)...
Starting File System Check on Root Device...
[ OK ] Started File System Check Daemon to report status.
[ OK ] Started File System Check on Root Device.
[ OK ] Started LSB: Switch to ondemand cpu...r (unless shift key is pressed).
Starting Remount Root and Kernel File Systems...
[ OK ] Started Remount Root and Kernel File Systems.
Starting Load/Save Random Seed...
Starting Flush Journal to Persistent Storage...
[ OK ] Reached target Local File Systems (Pre).
Starting udev Coldplug all Devices...
[ OK ] Started Load/Save Random Seed.
[ OK ] Started udev Coldplug all Devices.
[ OK ] Started Flush Journal to Persistent Storage.
[ OK ] Started Dispatch Password Requests to Console Directory Watch.
[ OK ] Found device External_USB_HDD 6.
Mounting /mnt/seafile...
[ OK ] Found device /dev/ttyS0.
[ OK ] Mounted /mnt/seafile.
[ OK ] Found device /dev/mmcblk0p1.
Starting File System Check on /dev/mmcblk0p1...
[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
[ OK ] Started File System Check on /dev/mmcblk0p1.
Starting Load/Save RF Kill Switch Status...
Mounting /boot...
[ OK ] Mounted /boot.
[ OK ] Started Load/Save RF Kill Switch Status.
[ OK ] Reached target Local File Systems.
Starting Tell Plymouth To Write Out Runtime Data...
Starting LSB: AppArmor initialization...
Starting Set console font and keymap...
Starting Create Volatile Files and Directories...
[ OK ] Started Tell Plymouth To Write Out Runtime Data.
[ OK ] Started Create Volatile Files and Directories.
[ OK ] Started LSB: AppArmor initialization.
Starting Raise network interfaces...
Starting Update UTMP about System Boot/Shutdown...
Starting Network Time Synchronization...
[ OK ] Started Set console font and keymap.
[ OK ] Started Network Time Synchronization.
[ OK ] Started Update UTMP about System Boot/Shutdown.
[ OK ] Reached target System Initialization.
[ OK ] Started CUPS Scheduler.
[ OK ] Reached target Paths.
[ OK ] Listening on CUPS Scheduler.
[ OK ] Listening on Avahi mDNS/DNS-SD Stack Activation Socket.
[ OK ] Listening on D-Bus System Message Bus Socket.
[ OK ] Started Daily Cleanup of Temporary Directories.
[ OK ] Listening on UUID daemon activation socket.
[ OK ] Reached target Sockets.
[ OK ] Reached target Basic System.
Starting Initialize hardware monitoring sensors...
Starting Modem Manager...
[ OK ] Started Avahi DNS Configuration Daemon.
Starting Avahi mDNS/DNS-SD Stack...
Starting SSHGuard...
[ OK ] Started Regular background program processing daemon.
Starting LSB: triggerhappy hotkey daemon...
Starting System Logging Service...
Starting LSB: Speech Dispatcher...
Starting SSH key generation on first startup...
[ OK ] Started CUPS Scheduler.
Starting LSB: Set the CPU Frequency Scaling governor to "ondemand"...
[ OK ] Started D-Bus System Message Bus.
[ OK ] Started Avahi mDNS/DNS-SD Stack.
[ OK ] Started Make remote CUPS printers available locally.
Starting Prefer timesyncd over ntpd...
Starting Save/Restore Sound Card State...
Starting Restore /etc/resolv.conf i...re the ppp link was shut down...
Starting LSB: Record successful boot for GRUB...
Starting Permit User Sessions...
Starting Network Manager...
Starting rng-tools.service...
Starting Login Service...
[ OK ] Reached target System Time Synchronized.
[ OK ] Started Daily apt activities.
[ OK ] Started Run anacron jobs.
[ OK ] Started Run certbot twice daily.
[ OK ] Reached target Timers.
[ OK ] Created slice system-getty.slice.
[ OK ] Started System Logging Service.
[ OK ] Started SSHGuard.
[ OK ] Started SSH key generation on first startup.
[ OK ] Started Prefer timesyncd over ntpd.
[ OK ] Started Restore /etc/resolv.conf if...fore the ppp link was shut down.
[ OK ] Started LSB: Record successful boot for GRUB.
[ OK ] Started Permit User Sessions.
[ OK ] Started rng-tools.service.
[ OK ] Started Initialize hardware monitoring sensors.
[ OK ] Started Save/Restore Sound Card State.
[ OK ] Started Raise network interfaces.
[ OK ] Started LSB: triggerhappy hotkey daemon.
[ OK ] Started LSB: Speech Dispatcher.
[ OK ] Started LSB: Set the CPU Frequency Scaling governor to "ondemand".
[ OK ] Started Network Manager.
[ OK ] Started Login Service.
Starting Network Manager Script Dispatcher Service...
Starting Network Manager Wait Online...
[ OK ] Stopped LSB: Start NTP daemon.
Starting Authenticate and Authorize Users to Run Privileged Tasks...
[ OK ] Reached target Network.
Starting MySQL Community Server...
[ OK ] Started Unattended Upgrades Shutdown.
Starting LSB: lm-sensors daemon...
Starting OpenBSD Secure Shell server...
[ OK ] Started Network Manager Script Dispatcher Service.
[ OK ] Started OpenBSD Secure Shell server.
[ OK ] Started LSB: lm-sensors daemon.
[ OK ] Started Authenticate and Authorize Users to Run Privileged Tasks.
[ OK ] Started Modem Manager.
Starting Hostname Service...
[ OK ] Started Hostname Service.
Starting WPA supplicant...
[ OK ] Started WPA supplicant.
[ OK ] Started MySQL Community Server.
[ OK ] Stopped LSB: Start NTP daemon.
[ OK ] Started Network Manager Wait Online.
[ OK ] Reached target Network is Online.
Starting LSB: Start Tomcat....
Starting /etc/rc.local Compatibility...
Starting LSB: Apache2 web server...
Starting LSB: disk temperature monitoring daemon...
Starting LSB: A self-hosted Git service written in Go....
[ OK ] Started LSB: disk temperature monitoring daemon.
[ OK ] Started LSB: A self-hosted Git service written in Go..
[ OK ] Started OpenBSD Secure Shell server.
[ 17.502331] rc.local[934]: Starting ssh (via systemctl): ssh.service.
[ OK ] Started LSB: Apache2 web server.
[ OK ] Started LSB: Start Tomcat..
[ OK ] Created slice User Slice of zlr.
Starting User Manager for UID 1000...
[ OK ] Started Session c1 of user zlr.
[ OK ] Started User Manager for UID 1000.
Starting Cleanup of Temporary Directories...
[ OK ] Started Cleanup of Temporary Directories.
And no login interface show to me. What should I do to login system with serial console?
ps:
ubuntu for raspberry pi can login with serial console,what’s the different between ubuntu and ubuntu mate for rapsberry pi?