AXEL ULite SOM/DESK-MX6UL-L/General/Booting from NFS

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Version Issue Date Notes
1.0.0 Apr 2021 First DESK release


Booting from NFS[edit | edit source]

This configuration is very helpful during the software development (both for kernel and applications). The kernel image is downloaded via TFTP while the root file system is remotely mounted via NFS from the host. It is assumed that the development host:

  • is connected with the target host board through an Ethernet LAN
  • exports the directory containing the root file system for the target through the NFS server
  • runs a TFTP server.
  • has a proper subnet IP address

net_nfs configuration[edit | edit source]

DESK-MX6UL-L Virtual Machine is properly configured for the TFTP and NFS debug.

In any case, some variables has to be configured on the target and the VM itself has to be configured for respect to the network environment.

Host (Virtual Machine) configuration[edit | edit source]

The DESK-MX6UL-L Virtual Machine has the tftp and nfs services already running. Optionally, their configuration has to be changed according to the network configuration where the target is connected to.

Check and properly configure the items the following chapters: network adapter, nfs server

network adapter[edit | edit source]

The network adpater should be configured in bridge mode in order to allow the target to get the files from the VM


Network-bridge.png


XELK VM Network.png


then check or re-configure the Host IP address

dvdk@vagrant:~$ ifconfig 
eth0      Link encap:Ethernet  HWaddr 08:00:27:ed:54:80  
          inet addr:192.168.0.125  Bcast:192.168.0.255  Mask:255.255.255.0
          inet6 addr: fe80::a00:27ff:feed:5480/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:342143 errors:0 dropped:0 overruns:0 frame:0
          TX packets:267700 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:160784829 (160.7 MB)  TX bytes:214001179 (214.0 MB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:201 errors:0 dropped:0 overruns:0 frame:0
          TX packets:201 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1 
          RX bytes:21929 (21.9 KB)  TX bytes:21929 (21.9 KB)

dvdk@vagrant:~$ 

nfs server[edit | edit source]

The NFS server should exports the correct file system directory (in our example)

dvdk@vagrant:~$ cat /etc/exports 
/home 0.0.0.0/0.0.0.0(rw,async,no_root_squash,no_subtree_check,crossmnt)
dvdk@vagrant:~$ 

otherwise, change its configuration and then restart the nfs server:

dvdk@vagrant:~$ sudo /etc/init.d/nfs-kernel-server restart
[sudo] password for dvdk: 
 * Stopping NFS kernel daemon                                                                                                                                                                                                         [ OK ] 
 * Unexporting directories for NFS kernel daemon...                                                                                                                                                                                   [ OK ] 
 * Exporting directories for NFS kernel daemon...                                                                                                                                                                                     [ OK ] 
 * Starting NFS kernel daemon                                                                                                                                                                                                         [ OK ] 
dvdk@vagrant:~$ 

Target configuration[edit | edit source]

The IP address for server and target should be configured: an example (for a network subnet 192.168.0.x)

=> setenv serverip 192.168.0.125
=> setenv ipaddr 192.168.0.90
  • serverip is the IP address of the host machine running the tftp/nfs server
  • ipaddr is the IP address of the target

The kernel and device tree files has to be selected

=> setenv bootfile /tftpboot/desk-mx-l/desk-mx6ul-l-1.0.0_uImage
=> setenv fdtfile /tftpboot/desk-mx-l/desk-mx6ul-l-1.0.0_imx6ul-lynx-som0013-cb002f.dtb

finally, the root file system directory on the Virtual Machine should be configured for let the kernel to find the INIT

=> setenv rootpath /home/dvdk/desk-mx-l/rfs/desk-mx6ul-l/

To run this configuration just issue the net_nfs command which firstly download the kernel and device tree using the tftp protocol

U-Boot SPL 2018.03-desk-mx6ul-l-1.0.1 (Apr 20 2021 - 12:44:32 +0200)
SOM ConfigID#: 00000013
Trying to boot from MMC1


U-Boot 2018.03-desk-mx6ul-l-1.0.1 (Apr 20 2021 - 12:44:32 +0200), Build: desk-mx6ul-l-1.0.1

CPU:   Freescale i.MX6UL rev1.2 528 MHz (running at 396 MHz)
CPU:   Industrial temperature grade (-40C to 105C) at 43C
Reset cause: POR
I2C:   ready
DRAM:  512 MiB
Relocating to 9ff4f000, new gd at 9df4eeb0, sp at 9df4ee90
PMIC: PFUZE3000 DEV_ID=0x30 REV_ID=0x11
NAND:  1024 MiB
MMC:   FSL_SDHC: 0
Loading Environment from MMC... OK
In:    serial
Out:   serial
Err:   serial
switch to partitions #0, OK
mmc0 is current device (SD)
SOM ConfigID#: 00000013
SOM UniqueID#: e933585d:0f2f21d4
CB ConfigID#: 0000002f
CB UniqueID#: 00000000:00000000
Board: MX6UL SBC Lynx
Net:   FEC0
Warning: FEC0 (eth0) using random MAC address - 7a:f5:7c:86:e3:ac

Normal Boot
Hit ENTER within 3 seconds to stop autoboot
=> run net_nfs
Using FEC0 device
TFTP from server 192.168.0.125; our IP address is 192.168.0.90
Filename 'desk-mx-l/desk-mx6ul-l-1.0.0_uImage'.
Load address: 0x80800000
Loading: #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         #################################################################
         ##############
         585 KiB/s
done
Bytes transferred = 7056696 (6bad38 hex)
Using FEC0 device
TFTP from server 192.168.0.125; our IP address is 192.168.0.90
Filename 'desk-mx-l/desk-mx6ul-l-1.0.0_imx6ul-lynx-som0013-cb002f.dtb'.
Load address: 0x83000000
Loading: #######
         546.9 KiB/s
done
Bytes transferred = 34211 (85a3 hex)
FDT: override 'som_uniqueid' with 'e933585d:0f2f21d4'
FDT: override 'cb_uniqueid' with '00000000:00000000'
## Booting kernel from Legacy Image at 80800000 ...
   Image Name:   Linux-4.14.98-desk-mx6ul-l-1.0.0
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    7056632 Bytes = 6.7 MiB
   Load Address: 80008000
   Entry Point:  80008000
   Verifying Checksum ... OK
## Flattened Device Tree blob at 83000000
   Booting using the fdt blob at 0x83000000
   Loading Kernel Image ... OK
   reserving fdt memory region: addr=83000000 size=9000
   Using Device Tree in place at 83000000, end 8300bfff
Modify /soc/aips-bus@02000000/bee@02044000:status disabled
ft_system_setup for mx6

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 4.14.98-desk-mx6ul-l-1.0.0 (jenkins@xenialbakery) (gcc version 7.3.0 (GCC)) #1 SMP PREEMPT Mon Apr 12 13:06:54 CEST 2021
[    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c53c7d
[    0.000000] CPU: div instructions available: patching division code
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] OF: fdt: Machine model: Freescale i.MX6 UltraLite LYNX Board
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] percpu: Embedded 16 pages/cpu @9fbcf000 s35596 r8192 d21748 u65536
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 130048
[    0.000000] Kernel command line: root=/dev/nfs rw nfsroot=192.168.0.125:/home/dvdk/desk-mx-l/rfs/desk-mx6ul-l/,v3,tcp ip=192.168.0.90:192.168.0.125::255.255.255.0:lynx:eth0:off panic=1 fec_mac= console=ttymxc0,115200 vmalloc=400M mtdparts=gpmi-nand:2M(nand-SPL),6M(nand-uboot),1M(nand-env1),1M(nand-env2),1M(nand-fdt),1M(nand-spare),8M(nand-kernel),4M(nand-splash),-(nand-ubi);spi0.0:64k(spi-SPL),960k(spi-uboot),256k(spi-env1),256k(spi-env2),512k(spi-dtb),8M(spi-kernel),4M(spi-splash),-(spi-free)
[    0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
[    0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.000000] Memory: 505116K/524288K available (9216K kernel code, 662K rwdata, 2556K rodata, 1024K init, 426K bss, 19172K reserved, 0K cma-reserved, 0K highmem)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
[    0.000000]     vmalloc : 0xa0800000 - 0xff800000   (1520 MB)
[    0.000000]     lowmem  : 0x80000000 - 0xa0000000   ( 512 MB)
[    0.000000]     pkmap   : 0x7fe00000 - 0x80000000   (   2 MB)
[    0.000000]     modules : 0x7f000000 - 0x7fe00000   (  14 MB)
[    0.000000]       .text : 0x80008000 - 0x80a00000   (10208 kB)
[    0.000000]       .init : 0x80d00000 - 0x80e00000   (1024 kB)
[    0.000000]       .data : 0x80e00000 - 0x80ea58f8   ( 663 kB)
[    0.000000]        .bss : 0x80eae730 - 0x80f19048   ( 427 kB)
[    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=4 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: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] Switching to timer-based delay loop, resolution 333ns
[    0.000017] sched_clock: 32 bits at 3000kHz, resolution 333ns, wraps every 715827882841ns
[    0.000059] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 637086815595 ns
[    0.003068] Console: colour dummy device 80x30
[    0.003126] Calibrating delay loop (skipped), value calculated using timer frequency.. 6.00 BogoMIPS (lpj=30000)
[    0.003167] pid_max: default: 32768 minimum: 301
[    0.003446] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.003482] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.004713] CPU: Testing write buffer coherency: ok
[    0.005302] /cpus/cpu@0 missing clock-frequency property
[    0.005341] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.040538] Setting up static identity map for 0x80100000 - 0x80100060
[    0.060541] Hierarchical SRCU implementation.
[    0.100783] smp: Bringing up secondary CPUs ...
[    0.100824] smp: Brought up 1 node, 1 CPU
[    0.100851] SMP: Total of 1 processors activated (6.00 BogoMIPS).
[    0.100870] CPU: All CPU(s) started in SVC mode.
[    0.102452] devtmpfs: initialized
[    0.118845] random: get_random_u32 called from bucket_table_alloc+0x114/0x23c with crng_init=0
[    0.119329] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
[    0.119922] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.119977] futex hash table entries: 256 (order: 2, 16384 bytes)
[    0.120319] pinctrl core: initialized pinctrl subsystem
[    0.122467] NET: Registered protocol family 16
[    0.123341] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.131145] cpuidle: using governor menu
[    0.146216] vdd3p0: supplied by regulator-dummy
[    0.147452] cpu: supplied by regulator-dummy
[    0.148621] vddsoc: supplied by regulator-dummy
[    0.168907] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.168941] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.171853] imx6ul-pinctrl 20e0000.iomuxc: initialized IMX pinctrl driver
[    0.174945] imx rpmsg driver is registered.
[    0.255208] vgaarb: loaded
[    0.256647] SCSI subsystem initialized
[    0.262856] usbcore: registered new interface driver usbfs
[    0.263013] usbcore: registered new interface driver hub
[    0.263231] usbcore: registered new device driver usb
[    0.265540] i2c i2c-0: IMX I2C adapter registered
[    0.265589] i2c i2c-0: can't use DMA, using PIO instead.
[    0.266643] Linux video capture interface: v2.00
[    0.266805] pps_core: LinuxPPS API ver. 1 registered
[    0.266828] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.266886] PTP clock support registered
[    0.268580] MIPI CSI2 driver module loaded
[    0.268990] Advanced Linux Sound Architecture Driver Initialized.
[    0.270559] Bluetooth: Core ver 2.22
[    0.270674] NET: Registered protocol family 31
[    0.270700] Bluetooth: HCI device and connection manager initialized
[    0.270741] Bluetooth: HCI socket layer initialized
[    0.270773] Bluetooth: L2CAP socket layer initialized
[    0.270852] Bluetooth: SCO socket layer initialized
[    0.283043] clocksource: Switched to clocksource mxc_timer1
[    0.283288] VFS: Disk quotas dquot_6.6.0
[    0.283432] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
[    0.304798] NET: Registered protocol family 2
[    0.306182] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[    0.306313] TCP bind hash table entries: 4096 (order: 3, 32768 bytes)
[    0.306474] TCP: Hash tables configured (established 4096 bind 4096)
[    0.306687] UDP hash table entries: 256 (order: 1, 8192 bytes)
[    0.306754] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[    0.307088] NET: Registered protocol family 1
[    0.328254] RPC: Registered named UNIX socket transport module.
[    0.328290] RPC: Registered udp transport module.
[    0.328310] RPC: Registered tcp transport module.
[    0.328330] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.332910] Bus freq driver module loaded
[    0.336018] workingset: timestamp_bits=30 max_order=17 bucket_order=0
[    0.357713] NFS: Registering the id_resolver key type
[    0.357791] Key type id_resolver registered
[    0.357814] Key type id_legacy registered
[    0.357913] ntfs: driver 2.1.32 [Flags: R/W].
[    0.358766] fuse init (API version 7.26)
[    0.372952] io scheduler noop registered
[    0.372988] io scheduler deadline registered
[    0.373486] io scheduler cfq registered (default)
[    0.373518] io scheduler mq-deadline registered
[    0.373540] io scheduler kyber registered
[    0.374817] imx-weim 21b8000.weim: Driver registered.
[    0.380420] imx-sdma 20ec000.sdma: Falling back to user helper
[    0.390475] mxs-dma 1804000.dma-apbh: initialized
[    0.395891] pfuze100-regulator 0-0008: Full layer: 1, Metal layer: 1
[    0.396686] pfuze100-regulator 0-0008: FAB: 0, FIN: 0
[    0.396715] pfuze100-regulator 0-0008: pfuze3000 found.
[    0.420815] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[    0.424628] 2020000.serial: ttymxc0 at MMIO 0x2020000 (irq = 21, base_baud = 5000000) is a IMX
[    1.136528] console [ttymxc0] enabled
[    1.141708] 2024000.serial: ttymxc7 at MMIO 0x2024000 (irq = 22, base_baud = 5000000) is a IMX
[    1.152381] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 58, base_baud = 5000000) is a IMX
[    1.162520] 21ec000.serial: ttymxc2 at MMIO 0x21ec000 (irq = 59, base_baud = 5000000) is a IMX
[    1.177058] imx sema4 driver is registered.
[    1.182468] [drm] Initialized vivante 1.0.0 20120216 for platform:Vivante GCCore on minor 0
[    1.191086] [drm] Initialized vivante 1.0.0 20120216 on minor 0
[    1.220062] brd: module loaded
[    1.241103] loop: module loaded
[    1.251977] random: fast init done
[    1.262824] nand: device found, Manufacturer ID: 0x01, Chip ID: 0xd3
[    1.269278] nand: AMD/Spansion S34ML08G1
[    1.273292] nand: 1024 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
[    1.281269] gpmi-nand 1806000.gpmi-nand: mode:4 ,failed in set feature.
[    1.288014] Scanning device for bad blocks
[    1.932505] random: crng init done
[    2.523810] 9 cmdlinepart partitions found on MTD device gpmi-nand
[    2.530038] Creating 9 MTD partitions on "gpmi-nand":
[    2.535215] 0x000000000000-0x000000200000 : "nand-SPL"
[    2.542653] 0x000000200000-0x000000800000 : "nand-uboot"
[    2.550399] 0x000000800000-0x000000900000 : "nand-env1"
[    2.557857] 0x000000900000-0x000000a00000 : "nand-env2"
[    2.565334] 0x000000a00000-0x000000b00000 : "nand-fdt"
[    2.572591] 0x000000b00000-0x000000c00000 : "nand-spare"
[    2.580220] 0x000000c00000-0x000001400000 : "nand-kernel"
[    2.588089] 0x000001400000-0x000001800000 : "nand-splash"
[    2.595842] 0x000001800000-0x000040000000 : "nand-ubi"
[    2.636516] gpmi-nand 1806000.gpmi-nand: driver registered.
[    2.647294] m25p80 spi0.0: s25fl256s1 (32768 Kbytes)
[    2.652326] 8 cmdlinepart partitions found on MTD device spi0.0
[    2.658409] Creating 8 MTD partitions on "spi0.0":
[    2.663320] 0x000000000000-0x000000010000 : "spi-SPL"
[    2.670626] 0x000000010000-0x000000100000 : "spi-uboot"
[    2.678045] 0x000000100000-0x000000140000 : "spi-env1"
[    2.685454] 0x000000140000-0x000000180000 : "spi-env2"
[    2.692714] 0x000000180000-0x000000200000 : "spi-dtb"
[    2.700224] 0x000000200000-0x000000a00000 : "spi-kernel"
[    2.707722] 0x000000a00000-0x000000e00000 : "spi-splash"
[    2.715284] 0x000000e00000-0x000002000000 : "spi-free"
[    2.722616] spi_imx 2008000.ecspi: probed
[    2.728453] libphy: Fixed MDIO Bus: probed
[    2.733598] CAN device driver interface
[    2.738109] flexcan 2090000.flexcan: 2090000.flexcan supply xceiver not found, using dummy regulator
[    2.749101] flexcan 2090000.flexcan: device registered (reg_base=a099c000, irq=24)
[    2.759546] fec 2188000.ethernet: 2188000.ethernet supply phy not found, using dummy regulator
[    3.284059] pps pps0: new PPS source ptp0
[    3.289388] libphy: fec_enet_mii_bus: probed
[    3.306637] fec 2188000.ethernet eth0: registered PHC device 0
[    3.314997] usbcore: registered new interface driver asix
[    3.320566] usbcore: registered new interface driver ax88179_178a
[    3.327020] usbcore: registered new interface driver cdc_ether
[    3.332986] usbcore: registered new interface driver cdc_eem
[    3.338987] usbcore: registered new interface driver net1080
[    3.344928] usbcore: registered new interface driver cdc_subset
[    3.350998] usbcore: registered new interface driver zaurus
[    3.356897] usbcore: registered new interface driver cdc_ncm
[    3.362691] usbcore: registered new interface driver cdc_mbim
[    3.368547] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    3.375200] ehci-pci: EHCI PCI platform driver
[    3.380508] usbcore: registered new interface driver cdc_wdm
[    3.386456] usbcore: registered new interface driver usb-storage
[    3.395184] usbmisc_imx 2184800.usbmisc: 2184800.usbmisc supply vbus-wakeup not found, using dummy regulator
[    3.407348] usb_otg1_vbus: supplied by SWBST
[    3.439240] usb_otg2_vbus: supplied by SWBST
[    3.447845] ci_hdrc ci_hdrc.1: EHCI Host Controller
[    3.452985] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1
[    3.483099] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[    3.489135] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[    3.496098] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    3.503415] usb usb1: Product: EHCI Host Controller
[    3.508331] usb usb1: Manufacturer: Linux 4.14.98-desk-mx6ul-l-1.0.0 ehci_hcd
[    3.515550] usb usb1: SerialNumber: ci_hdrc.1
[    3.521368] hub 1-0:1.0: USB hub found
[    3.525438] hub 1-0:1.0: 1 port detected
[    3.544738] input: 20cc000.snvs:snvs-powerkey as /devices/soc0/soc/2000000.aips-bus/20cc000.snvs/20cc000.snvs:snvs-powerkey/input/input0
[    3.560856] snvs_rtc 20cc000.snvs:snvs-rtc-lp: rtc core: registered 20cc000.snvs:snvs-rtc-lp as rtc0
[    3.570568] i2c /dev entries driver
[    3.580606] IR NEC protocol handler initialized
[    3.585402] IR RC5(x/sz) protocol handler initialized
[    3.590491] IR RC6 protocol handler initialized
[    3.595111] IR JVC protocol handler initialized
[    3.599672] IR Sony protocol handler initialized
[    3.604363] IR SANYO protocol handler initialized
[    3.609096] IR Sharp protocol handler initialized
[    3.613924] IR MCE Keyboard/mouse protocol handler initialized
[    3.619790] IR XMP protocol handler initialized
[    3.628803] imx2-wdt 20bc000.wdog: timeout 60 sec (nowayout=0)
[    3.636234] Bluetooth: HCI UART driver ver 2.3
[    3.640729] Bluetooth: HCI UART protocol H4 registered
[    3.646005] Bluetooth: HCI UART protocol BCSP registered
[    3.651708] Bluetooth: HCI UART protocol LL registered
[    3.658163] sdhci: Secure Digital Host Controller Interface driver
[    3.664497] sdhci: Copyright(c) Pierre Ossman
[    3.669023] sdhci-pltfm: SDHCI platform and OF driver helper
[    3.676846] sdhci-esdhc-imx 2190000.usdhc: Got CD GPIO
[    3.693113] ci_hdrc ci_hdrc.0: there is a vbus glitch
[    3.743583] mmc0: SDHCI controller on 2190000.usdhc [2190000.usdhc] using ADMA
[    3.801199] mmc0: host does not support reading read-only switch, assuming write-enable
[    3.815510] mmc0: new high speed SDHC card at address 59b4
[    3.822630] mmcblk0: mmc0:59b4 USDU1 14.9 GiB
[    3.839776]  mmcblk0: p1 p2
[    3.903139] mmc1: SDHCI controller on 2194000.usdhc [2194000.usdhc] using ADMA
[    3.922141] caam 2140000.caam: ERA source: CCBVID.
[    3.934780] caam 2140000.caam: device ID = 0x0a16030000000000 (Era 8)
[    3.941283] caam 2140000.caam: job rings = 3, qi = 0, dpaa2 = no
[    3.949372] caam_jr 2141000.jr0: Entropy delay = 3200
[    4.015423] caam_jr 2141000.jr0: Instantiated RNG4 SH0.
[    4.076166] caam_jr 2141000.jr0: Instantiated RNG4 SH1.
[    4.108598] caam algorithms registered in /proc/crypto
[    4.120572] caam_jr 2141000.jr0: registering rng-caam
[    4.126870] caam 2140000.caam: caam pkc algorithms registered in /proc/crypto
[    4.136562] platform caam_sm: blkkey_ex: 8 keystore units available
[    4.143394] platform caam_sm: 64-bit clear key:
[    4.147981] platform caam_sm: [0000] 00 01 02 03 04 0f 06 07
[    4.153816] platform caam_sm: 64-bit black key:
[    4.158396] platform caam_sm: [0000] ea 7c 2a 3c 7d 2f d2 c7
[    4.164236] platform caam_sm: [0008] 33 49 46 7a 30 73 26 8f
[    4.169932] platform caam_sm: 128-bit clear key:
[    4.174703] platform caam_sm: [0000] 00 01 02 03 04 0f 06 07
[    4.180402] platform caam_sm: [0008] 08 09 0a 0b 0c 0d 0e 0f
[    4.186269] platform caam_sm: 128-bit black key:
[    4.190932] platform caam_sm: [0000] 3b 02 06 05 9b 44 d8 9a
[    4.196733] platform caam_sm: [0008] 92 05 c4 26 2f 22 fe 63
[    4.202430] platform caam_sm: 192-bit clear key:
[    4.207139] platform caam_sm: [0000] 00 01 02 03 04 0f 06 07
[    4.212838] platform caam_sm: [0008] 08 09 0a 0b 0c 0d 0e 0f
[    4.218580] platform caam_sm: [0016] 10 11 12 13 14 15 16 17
[    4.226391] platform caam_sm: 192-bit black key:
[    4.231052] platform caam_sm: [0000] 54 bf 35 b6 79 69 05 f3
[    4.236803] platform caam_sm: [0008] 32 7f 40 92 c9 86 e4 c6
[    4.242503] platform caam_sm: [0016] 5a e1 06 b3 cd ef e0 7c
[    4.248243] platform caam_sm: [0024] 7e b7 19 b9 45 66 ff 83
[    4.254043] platform caam_sm: 256-bit clear key:
[    4.258853] platform caam_sm: [0000] 00 01 02 03 04 0f 06 07
[    4.266791] platform caam_sm: [0008] 08 09 0a 0b 0c 0d 0e 0f
[    4.275602] platform caam_sm: [0016] 10 11 12 13 14 15 16 17
[    4.281444] platform caam_sm: [0024] 18 19 1a 1b 1c 1d 1e 1f
[    4.287341] platform caam_sm: 256-bit black key:
[    4.292132] platform caam_sm: [0000] 9a 35 bc d7 bb 81 1a 61
[    4.298029] platform caam_sm: [0008] b0 0f 8f e8 9e f7 17 d4
[    4.303933] platform caam_sm: [0016] 56 c8 b3 e1 51 fb a0 35
[    4.309761] platform caam_sm: [0024] 40 f8 ef e7 b1 ae 99 6b
[    4.315654] platform caam_sm: 64-bit unwritten blob:
[    4.320791] platform caam_sm: [0000] 00 00 00 00 00 00 00 00
[    4.327759] platform caam_sm: [0008] 00 00 00 00 00 00 00 00
[    4.334734] platform caam_sm: [0016] 00 00 00 00 00 00 00 00
[    4.340439] platform caam_sm: [0024] 00 00 00 00 00 00 00 00
[    4.346196] platform caam_sm: [0032] 00 00 00 00 00 00 00 00
[    4.351895] platform caam_sm: [0040] 00 00 00 00 00 00 00 00
[    4.357647] platform caam_sm: [0048] 00 00 00 00 00 00 00 00
[    4.363398] platform caam_sm: [0056] 00 00 00 00 00 00 00 00
[    4.369096] platform caam_sm: [0064] 00 00 00 00 00 00 00 00
[    4.374835] platform caam_sm: [0072] 00 00 00 00 00 00 00 00
[    4.380529] platform caam_sm: [0080] 00 00 00 00 00 00 00 00
[    4.386264] platform caam_sm: [0088] 00 00 00 00 00 00 00 00
[    4.391953] platform caam_sm: 128-bit unwritten blob:
[    4.397084] platform caam_sm: [0000] 00 00 00 00 00 00 00 00
[    4.402779] platform caam_sm: [0008] 00 00 00 00 00 00 00 00
[    4.408516] platform caam_sm: [0016] 00 00 00 00 00 00 00 00
[    4.414251] platform caam_sm: [0024] 00 00 00 00 00 00 00 00
[    4.419946] platform caam_sm: [0032] 00 00 00 00 00 00 00 00
[    4.425751] platform caam_sm: [0040] 00 00 00 00 00 00 00 00
[    4.431513] platform caam_sm: [0048] 00 00 00 00 00 00 00 00
[    4.437265] platform caam_sm: [0056] 00 00 00 00 00 00 00 00
[    4.442963] platform caam_sm: [0064] 00 00 00 00 00 00 00 00
[    4.448708] platform caam_sm: [0072] 00 00 00 00 00 00 00 00
[    4.456517] platform caam_sm: [0080] 00 00 00 00 00 00 00 00
[    4.462217] platform caam_sm: [0088] 00 00 00 00 00 00 00 00
[    4.467963] platform caam_sm: 196-bit unwritten blob:
[    4.473102] platform caam_sm: [0000] 00 00 00 00 00 00 00 00
[    4.478798] platform caam_sm: [0008] 00 00 00 00 00 00 00 00
[    4.484596] platform caam_sm: [0016] 00 00 00 00 00 00 00 00
[    4.490463] platform caam_sm: [0024] 00 00 00 00 00 00 00 00
[    4.498419] platform caam_sm: [0032] 00 00 00 00 00 00 00 00
[    4.507299] platform caam_sm: [0040] 00 00 00 00 00 00 00 00
[    4.513238] platform caam_sm: [0048] 00 00 00 00 00 00 00 00
[    4.519090] platform caam_sm: [0056] 00 00 00 00 00 00 00 00
[    4.525031] platform caam_sm: [0064] 00 00 00 00 00 00 00 00
[    4.530891] platform caam_sm: [0072] 00 00 00 00 00 00 00 00
[    4.536827] platform caam_sm: [0080] 00 00 00 00 00 00 00 00
[    4.542690] platform caam_sm: [0088] 00 00 00 00 00 00 00 00
[    4.548619] platform caam_sm: 256-bit unwritten blob:
[    4.553938] platform caam_sm: [0000] 00 00 00 00 00 00 00 00
[    4.560816] platform caam_sm: [0008] 00 00 00 00 00 00 00 00
[    4.567840] platform caam_sm: [0016] 00 00 00 00 00 00 00 00
[    4.573602] platform caam_sm: [0024] 00 00 00 00 00 00 00 00
[    4.579297] platform caam_sm: [0032] 00 00 00 00 00 00 00 00
[    4.585038] platform caam_sm: [0040] 00 00 00 00 00 00 00 00
[    4.590732] platform caam_sm: [0048] 00 00 00 00 00 00 00 00
[    4.596467] platform caam_sm: [0056] 00 00 00 00 00 00 00 00
[    4.602162] platform caam_sm: [0064] 00 00 00 00 00 00 00 00
[    4.607896] platform caam_sm: [0072] 00 00 00 00 00 00 00 00
[    4.613632] platform caam_sm: [0080] 00 00 00 00 00 00 00 00
[    4.619326] platform caam_sm: [0088] 00 00 00 00 00 00 00 00
[    4.625414] platform caam_sm: 64-bit black key in blob:
[    4.630687] platform caam_sm: [0000] 02 ec ef 04 5a 5d d0 d8
[    4.636447] platform caam_sm: [0008] 5c 56 96 08 cb 8a 58 49
[    4.642147] platform caam_sm: [0016] 5e 92 53 a3 7a 1f 52 35
[    4.647897] platform caam_sm: [0024] d6 8b 9f ba 70 fa 14 63
[    4.653639] platform caam_sm: [0032] bd 52 c4 d8 9d 2d 79 e7
[    4.659335] platform caam_sm: [0040] cd 5d e3 14 a9 a1 4d e6
[    4.665070] platform caam_sm: [0048] 64 e5 de c6 71 ac 9e e7
[    4.670766] platform caam_sm: [0056] 00 00 00 00 00 00 00 00
[    4.676502] platform caam_sm: [0064] 00 00 00 00 00 00 00 00
[    4.682198] platform caam_sm: [0072] 00 00 00 00 00 00 00 00
[    4.687947] platform caam_sm: [0080] 00 00 00 00 00 00 00 00
[    4.693685] platform caam_sm: [0088] 00 00 00 00 00 00 00 00
[    4.699374] platform caam_sm: 128-bit black key in blob:
[    4.704765] platform caam_sm: [0000] ee 0b f0 19 94 a7 bf 8d
[    4.710461] platform caam_sm: [0008] 70 d7 b0 45 5d ce 13 9c
[    4.716196] platform caam_sm: [0016] d4 8d ac 98 27 db cf aa
[    4.721891] platform caam_sm: [0024] 6e f4 41 b8 e8 71 25 7c
[    4.727624] platform caam_sm: [0032] ee 39 41 2c be c4 20 e0
[    4.733357] platform caam_sm: [0040] 05 4c 11 27 2c 5a a0 3c
[    4.739053] platform caam_sm: [0048] bf c9 0e d5 bd 9a 50 8f
[    4.744784] platform caam_sm: [0056] d9 be 78 a3 69 a3 2f 19
[    4.750478] platform caam_sm: [0064] 00 00 00 00 00 00 00 00
[    4.756208] platform caam_sm: [0072] 00 00 00 00 00 00 00 00
[    4.761903] platform caam_sm: [0080] 00 00 00 00 00 00 00 00
[    4.767634] platform caam_sm: [0088] 00 00 00 00 00 00 00 00
[    4.773363] platform caam_sm: 192-bit black key in blob:
[    4.778712] platform caam_sm: [0000] 76 a1 b8 39 1c b5 50 d0
[    4.784450] platform caam_sm: [0008] 2c a3 78 e9 2c c4 33 98
[    4.790145] platform caam_sm: [0016] 41 26 ca d7 5d a6 1b cf
[    4.795880] platform caam_sm: [0024] c3 b6 ab 48 a6 3c 0f 2f
[    4.801575] platform caam_sm: [0032] 09 88 f1 0e 00 4c 1c d8
[    4.807310] platform caam_sm: [0040] 2b 6f c0 7b a5 61 36 e4
[    4.813005] platform caam_sm: [0048] 75 fd 36 b4 74 93 b7 d3
[    4.818754] platform caam_sm: [0056] 82 cb 29 fa 4b 57 96 06
[    4.824498] platform caam_sm: [0064] 5a ec 6e 80 3a 18 76 f3
[    4.830192] platform caam_sm: [0072] 00 00 00 00 00 00 00 00
[    4.835923] platform caam_sm: [0080] 00 00 00 00 00 00 00 00
[    4.841617] platform caam_sm: [0088] 00 00 00 00 00 00 00 00
[    4.847341] platform caam_sm: 256-bit black key in blob:
[    4.852690] platform caam_sm: [0000] 08 68 07 2a 8f f7 98 19
[    4.858423] platform caam_sm: [0008] 22 ea 84 88 4a 34 0b 15
[    4.864164] platform caam_sm: [0016] 0f 4a d4 91 96 ce 3a 10
[    4.869859] platform caam_sm: [0024] 59 25 01 fc d5 76 aa 14
[    4.875596] platform caam_sm: [0032] 1c 24 47 da 40 61 1e 6f
[    4.881292] platform caam_sm: [0040] 26 22 25 5f 6d 1b cb 6c
[    4.887028] platform caam_sm: [0048] d8 fc 7b b6 cb a4 f7 2b
[    4.892724] platform caam_sm: [0056] c2 69 83 61 7e ce 57 ee
[    4.898457] platform caam_sm: [0064] cd 48 87 4b 42 38 e6 f3
[    4.904192] platform caam_sm: [0072] b1 7f 6f 8a bb 0e 59 29
[    4.909887] platform caam_sm: [0080] 00 00 00 00 00 00 00 00
[    4.915617] platform caam_sm: [0088] 00 00 00 00 00 00 00 00
[    4.921560] platform caam_sm: restored 64-bit black key:
[    4.926976] platform caam_sm: [0000] d6 43 66 a9 65 43 cc fd
[    4.932678] platform caam_sm: [0008] 81 30 02 f0 57 52 7a 0f
[    4.938415] platform caam_sm: restored 128-bit black key:
[    4.943893] platform caam_sm: [0000] 3b 02 06 05 9b 44 d8 9a
[    4.949589] platform caam_sm: [0008] 92 05 c4 26 2f 22 fe 63
[    4.955320] platform caam_sm: restored 192-bit black key:
[    4.960756] platform caam_sm: [0000] 54 bf 35 b6 79 69 05 f3
[    4.966492] platform caam_sm: [0008] 32 7f 40 92 c9 86 e4 c6
[    4.972189] platform caam_sm: [0016] e7 02 74 89 3a 43 22 e5
[    4.977928] platform caam_sm: [0024] 6f 94 ee 3b a0 0d e4 7b
[    4.983661] platform caam_sm: restored 256-bit black key:
[    4.989095] platform caam_sm: [0000] 9a 35 bc d7 bb 81 1a 61
[    4.994829] platform caam_sm: [0008] b0 0f 8f e8 9e f7 17 d4
[    5.000524] platform caam_sm: [0016] 56 c8 b3 e1 51 fb a0 35
[    5.006262] platform caam_sm: [0024] 40 f8 ef e7 b1 ae 99 6b
[    5.012561] caam-snvs 20cc000.caam-snvs: can't get snvs clock
[    5.018588] caam-snvs 20cc000.caam-snvs: violation handlers armed - non-secure state
[    5.027919] usbcore: registered new interface driver usbhid
[    5.033637] usbhid: USB HID core driver
[    5.053976] NET: Registered protocol family 10
[    5.070956] Segment Routing with IPv6
[    5.074995] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[    5.082374] NET: Registered protocol family 17
[    5.087008] can: controller area network core (rev 20170425 abi 9)
[    5.093497] NET: Registered protocol family 29
[    5.098009] can: raw protocol (rev 20170425)
[    5.102307] can: broadcast manager protocol (rev 20170425 t)
[    5.108092] can: netlink gateway (rev 20170425) max_hops=1
[    5.114246] Bluetooth: RFCOMM TTY layer initialized
[    5.119197] Bluetooth: RFCOMM socket layer initialized
[    5.124705] Bluetooth: RFCOMM ver 1.11
[    5.128513] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[    5.133933] Bluetooth: BNEP filters: protocol multicast
[    5.139213] Bluetooth: BNEP socket layer initialized
[    5.144264] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[    5.150234] Bluetooth: HIDP socket layer initialized
[    5.155388] 8021q: 802.1Q VLAN Support v1.8
[    5.160707] rfkill_gpio bt_rfkill: bt_rfkill device registered.
[    5.167104] Key type dns_resolver registered
[    5.225327] (NULL device *): hwmon_device_register() is deprecated. Please convert the driver to use hwmon_device_register_with_info().
[    5.238273] imx_thermal 2000000.aips-bus:tempmon: Industrial CPU temperature grade - max:105C critical:100C passive:95C
[    5.250678] snvs_rtc 20cc000.snvs:snvs-rtc-lp: setting system clock to 1970-01-02 00:22:46 UTC (87766)
[    5.364419] Micrel KSZ8081 or KSZ8091 2188000.ethernet-1:03: attached PHY driver [Micrel KSZ8081 or KSZ8091] (mii_bus:phy_addr=2188000.ethernet-1:03, irq=POLL)
[    5.379853] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[    8.484212] fec 2188000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
[    8.503432] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[    8.533460] IP-Config: Complete:
[    8.536967]      device=eth0, hwaddr=7a:f5:7c:86:e3:ac, ipaddr=192.168.0.90, mask=255.255.255.0, gw=255.255.255.255
[    8.547711]      host=lynx, domain=, nis-domain=(none)
[    8.552929]      bootserver=192.168.0.125, rootserver=192.168.0.125, rootpath=
[    8.561684] wilink-wl-en: disabling
[    8.565415] usb_otg1_vbus: disabling
[    8.569041] ALSA device list:
[    8.572109]   No soundcards found.
[    8.687222] VFS: Mounted root (nfs filesystem) on device 0:13.
[    8.706486] devtmpfs: mounted
[    8.715426] Freeing unused kernel memory: 1024K
[    9.672106] systemd[1]: System time before build time, advancing clock.
[    9.801075] systemd[1]: systemd 237 running in system mode. (-PAM -AUDIT -SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP -LIBCRYPTSETUP -GCRYPT -GNUTLS +ACL +XZ -LZ4 -SECCOMP +BLKID -ELFUTILS +KMOD -IDN2 -IDN -PCRE2 default-hierarchy=hybrid)
[    9.824291] systemd[1]: Detected architecture arm.

Welcome to NXP i.MX Release Distro 4.14-sumo (sumo)!

[    9.882609] systemd[1]: Set hostname to <desk-mx6ul-axelulite>.
[   11.083579] systemd[1]: File /lib/systemd/system/systemd-journald.service:35 configures an IP firewall (IPAddressDeny=any), but the local system does not support BPF/cgroup based firewalling.
[   11.100999] systemd[1]: Proceeding WITHOUT firewalling in effect! (This warning is only shown for the first loaded unit using IP firewalling.)
[   13.555698] systemd[1]: Reached target Remote File Systems.
[  OK  ] Reached target Remote File Systems.
[   13.595145] systemd[1]: Created slice System Slice.
[  OK  ] Created slice System Slice.
[   13.634523] systemd[1]: Listening on udev Kernel Socket.
[  OK  ] Listening on udev Kernel Socket.
[   13.676246] systemd[1]: Created slice system-serial\x2dgetty.slice.
[  OK  ] Created slice system-serial\x2dgetty.slice.
[   13.718935] systemd[1]: Listening on udev Control Socket.
[  OK  ] Listening on udev Control Socket.
[  OK  ] Created slice system-getty.slice.
[  OK  ] Listening on Syslog Socket.
[  OK  ] Started Dispatch Password Requests to Console Directory Watch.
[  OK  ] Created slice User and Session Slice.
[  OK  ] Reached target Slices.
[  OK  ] Listening on Network Service Netlink Socket.
[  OK  ] Listening on Journal Socket (/dev/log).
[  OK  ] Started Forward Password Requests to Wall Directory Watch.
[  OK  ] Listening on /dev/initctl Compatibility Named Pipe.
[  OK  ] Listening on Journal Socket.
         Starting udev Coldplug all Devices...
         Mounting Kernel Debug File System...
         Starting Journal Service...
[  OK  ] Reached target Swap.
         Mounting Temporary Directory (/tmp)...
[  OK  ] Reached target Paths.
         Starting Remount Root and Kernel File Systems...
         Starting Apply Kernel Variables...
         Mounting Kernel Configuration File System...
         Mounting FUSE Control File System...
[  OK  ] Mounted Kernel Debug File System.
[   14.827586] systemd[1]: Mounted Temporary Directory (/tmp).
[  OK  ] Mounted Temporary Directory (/tmp).
[   14.953992] systemd[1]: Started Remount Root and Kernel File Systems.
[  OK  ] Started Remount Root and Kernel File Systems.
[   14.983736] systemd[1]: Started Apply Kernel Variables.
[  OK  ] Started Apply Kernel Variables.
[   15.014976] systemd[1]: Mounted Kernel Configuration File System.
[  OK  ] Mounted Kernel Configuration File System.
[   15.054657] systemd[1]: Mounted FUSE Control File System.
[  OK  ] Mounted FUSE Control File System.
[   15.095111] systemd[1]: Starting Create Static Device Nodes in /dev...
         Starting Create Static Device Nodes in /dev...
[   15.743694] systemd[1]: Started Create Static Device Nodes in /dev.
[  OK  ] Started Create Static Device Nodes in /dev.
[   15.779524] systemd[1]: Starting udev Kernel Device Manager...
         Starting udev Kernel Device Manager...
[   15.833591] systemd[1]: Reached target Local File Systems (Pre).
[  OK  ] Reached target Local File Systems (Pre).
[   15.900540] systemd[1]: Mounting /var/volatile...
         Mounting /var/volatile...
[  OK  ] Reached target Containers.
[  OK  ] Mounted /var/volatile.
         Starting Load/Save Random Seed...
[  OK  ] Reached target Local File Systems.
[  OK  ] Started Load/Save Random Seed.
[  OK  ] Started udev Kernel Device Manager.
[  OK  ] Started Journal Service.
         Starting Flush Journal to Persistent Storage...
         Starting Network Service...
[   17.010346] systemd-journald[145]: Received request to flush runtime journal from PID 1
[  OK  ] Started Flush Journal to Persistent Storage.
         Starting Create Volatile Files and Directories...
[  OK  ] Started Network Service.
[  OK  ] Started Create Volatile Files and Directories.
         Starting Network Time Synchronization...
         Starting Update UTMP about System Boot/Shutdown...
         Starting Network Name Resolution...
[  OK  ] Started Update UTMP about System Boot/Shutdown.
[  OK  ] Started Network Time Synchronization.
[  OK  ] Started udev Coldplug all Devices.
[  OK  ] Started Network Name Resolution.
[   21.273370] imx-sdma 20ec000.sdma: loaded firmware 3.4
[  OK  ] Found device /dev/ttymxc0.
[  OK  ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch.
[  OK  ] Reached target Host and Network Name Lookups.
[  OK  ] Reached target Network.
[  OK  ] Reached target System Initialization.
[  OK  ] Listening on RPCbind Server Activation Socket.
[  OK  ] Listening on Avahi mDNS/DNS-SD Stack Activation Socket.
[  OK  ] Started dnf-automatic-install timer.
[  OK  ] Started Daily Cleanup of Temporary Directories.
[  OK  ] Started dnf-automatic-notifyonly timer.
[  OK  ] Listening on dropbear.socket.
[  OK  ] Started dnf-automatic timer.
[  OK  ] Started dnf-automatic-download timer.
[  OK  ] Started dnf makecache timer.
[  OK  ] Listening on D-Bus System Message Bus Socket.
[  OK  ] Reached target Sockets.
[  OK  ] Reached target Basic System.
[  OK  ] Started Job spooling tools.
         Starting RPC Bind Service...
[  OK  ] Started Getty on tty1.
[  OK  ] Started D-Bus System Message Bus.
[  OK  ] Started Serial Getty on ttymxc0.
[  OK  ] Reached target Login Prompts.
         Starting Network Time Service (one-shot ntpdate mode)...
[  OK  ] Started Target Communication Framework agent.
         Starting Telephony service...
[  OK  ] Started Xinetd A Powerful Replacement For Inetd.
         Starting Avahi mDNS/DNS-SD Stack...
[  OK  ] Started Periodic Command Scheduler.
         Starting System Logging Service...
         Starting Login Service...
[  OK  ] Reached target System Time Synchronized.
[  OK  ] Started Daily rotation of log files.
[  OK  ] Reached target Timers.
[  OK  ] Started RPC Bind Service.
[  OK  ] Started Network Time Service (one-shot ntpdate mode).
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started NFS status monitor for NFSv2/3 locking..
[  OK  ] Started Telephony service.
[  OK  ] Started Load/Save RF Kill Switch Status.
[  OK  ] Started Login Service.
[  OK  ] Started Avahi mDNS/DNS-SD Stack.

NXP i.MX Release Distro 4.14-sumo desk-mx6ul-axelulite ttymxc0

desk-mx6ul-axelulite login: root
root@desk-mx6ul-axelulite:~#