Hi All.
After a lot of hit-and-trials, I have managed to get some bootup.
Unfortunately, not able to get a login-prompt.
Following have been done :
== u-boot ==
u-boot has been compiled using bleeding-edge mainline
(ec5c4a8fd64a178a4d159917cda0aa176e5a9be5), via :
* make Cubieboard2_defconfig
* make ARCH=arm CROSS_COMPILE=/home/ajay/arm-toolchain-6.2/arm-linux-gnueabihf-
This gives us u-boot-sunxi-with-spl.bin
== kernel ==
kernel also has been compiled using bleeding-edge mainline
(6d08b06e67cd117f6992c46611dfb4ce267cd71e) via :
* make clean
* make ARCH=arm sunxi_defconfig
* make -j$(nproc) ARCH=arm
CROSS_COMPILE=arm-toolchain-6.2/arm-linux-gnueabihf- zImage
* make -j$(nproc) ARCH=arm
CROSS_COMPILE=arm-toolchain-6.2/arm-linux-gnueabihf-
sun7i-a20-cubieboard2.dtb
This gives us zImage and sun7i-a20-cubieboard2.dtb.
== integration, and starting up ==
Followed the steps as per
https://github.com/maronai/cubieboard/wiki/3.1.-Compiling-mainline-kernel-for-CubieBoard2-and-CubieTruck,
but with following differences :
a)
Used u-boot-sunxi-with-spl.bin, zImage, sun7i-a20-cubieboard2.dtb from
above steps.
b)
Used (and compiled to boot.scr) the following boot.cmd :
fatload mmc 0 0x46000000 zImage
fatload mmc 0 0x49000000 sun7i-a20-cubieboard2.dtb
setenv bootargs console=ttyS0,115200 rw root=/dev/mmcblk0p2
bootz 0x46000000 - 0x49000000
c)
Extracted debian-wheezy-7.5-armhf.com-20140603.tar to the rootfs
partition on the sd-card.
d)
Finally, inserted the sdcard in cubieboard2, and upon bootup,
following is seen :
########################################################################
U-Boot SPL 2018.05-rc2-00118-gec5c4a8 (Apr 28 2018 - 08:40:48 +0530)
DRAM: 1024 MiB
CPU: 912000000Hz, AXI/AHB/APB: 3/2/2
Trying to boot from MMC1
U-Boot 2018.05-rc2-00118-gec5c4a8 (Apr 28 2018 - 08:40:48 +0530)
Allwinner Technology
CPU: Allwinner A20 (SUN7I)
Model: Cubietech Cubieboard2
I2C: ready
DRAM: 1 GiB
MMC: SUNXI SD/MMC: 0
Loading Environment from FAT... *** Warning - bad CRC, using default environment
Failed (-5)
In: serial
Out: serial
Err: serial
SCSI: SATA link 0 timeout.
AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
flags: ncq stag pm led clo only pmp pio slum part ccc apst
Net: eth0: ethernet@01c50000
starting USB...
USB0: USB EHCI 1.00
USB1: USB OHCI 1.0
USB2: USB EHCI 1.00
USB3: USB OHCI 1.0
scanning bus 0 for devices... 1 USB Device(s) found
scanning bus 2 for devices... 1 USB Device(s) found
scanning usb for storage devices... 0 Storage Device(s) found
Hit any key to stop autoboot: 0
switch to partitions #0, OK
mmc0 is current device
Scanning mmc 0:1...
Found U-Boot script /boot.scr
245 bytes read in 13 ms (17.6 KiB/s)
## Executing script at 43100000
3961944 bytes read in 241 ms (15.7 MiB/s)
26147 bytes read in 23 ms (1.1 MiB/s)
## Flattened Device Tree blob at 49000000
Booting using the fdt blob at 0x49000000
Loading Device Tree to 49ff6000, end 49fff622 ... OK
Starting kernel ...
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.17.0-rc2 (ajay@latitude-3480) (gcc
version 6.2.1 20161016 (Linaro GCC 6.2-2016.11)) #6 SMP Sat Apr 28
08:36:46 8
[ 0.000000] CPU: ARMv7 Processor [410fc074] revision 4 (ARMv7), cr=10c5387d
[ 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: Cubietech Cubieboard2
[ 0.000000] Memory policy: Data cache writealloc
[ 0.000000] cma: Reserved 16 MiB at 0x7f000000
[ 0.000000] psci: probing for conduit method from DT.
[ 0.000000] psci: Using PSCI v0.1 Function IDs from DT
[ 0.000000] random: get_random_bytes called from
start_kernel+0xa0/0x3fc with crng_init=0
[ 0.000000] percpu: Embedded 16 pages/cpu @(ptrval) s33804 r8192
d23540 u65536
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608
[ 0.000000] Kernel command line: console=ttyS0,115200 rw root=/dev/mmcblk0p2
[ 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: 1013080K/1048576K available (6144K kernel code,
420K rwdata, 1492K rodata, 1024K init, 241K bss, 19112K reserved,
16384)
[ 0.000000] Virtual kernel memory layout:
[ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
[ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
[ 0.000000] vmalloc : 0xf0800000 - 0xff800000 ( 240 MB)
[ 0.000000] lowmem : 0xc0000000 - 0xf0000000 ( 768 MB)
[ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
[ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
[ 0.000000] .text : 0x(ptrval) - 0x(ptrval) (7136 kB)
[ 0.000000] .init : 0x(ptrval) - 0x(ptrval) (1024 kB)
[ 0.000000] .data : 0x(ptrval) - 0x(ptrval) ( 421 kB)
[ 0.000000] .bss : 0x(ptrval) - 0x(ptrval) ( 242 kB)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[ 0.000000] Hierarchical RCU implementation.
[ 0.000000] RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[ 0.000000] GIC: Using split EOI/Deactivate mode
[ 0.000000] arch_timer: cp15 timer(s) running at 24.00MHz (phys).
[ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff
max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns
[ 0.000008] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps
every 4398046511097ns
[ 0.000022] Switching to timer-based delay loop, resolution 41ns
[ 0.000324] clocksource: timer: mask: 0xffffffff max_cycles:
0xffffffff, max_idle_ns: 79635851949 ns
[ 0.000554] clocksource: hstimer: mask: 0xffffffff max_cycles:
0xffffffff, max_idle_ns: 6370868154 ns
[ 0.000795] Console: colour dummy device 80x30
[ 0.000841] Calibrating delay loop (skipped), value calculated
using timer frequency.. 48.00 BogoMIPS (lpj=240000)
[ 0.000857] pid_max: default: 32768 minimum: 301
[ 0.001024] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.001041] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
[ 0.001671] CPU: Testing write buffer coherency: ok
[ 0.002053] /cpus/cpu@0 missing clock-frequency property
[ 0.002074] /cpus/cpu@1 missing clock-frequency property
[ 0.002088] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[ 0.002564] Setting up static identity map for 0x40100000 - 0x40100060
[ 0.002722] Hierarchical SRCU implementation.
[ 0.003499] smp: Bringing up secondary CPUs ...
[ 0.014215] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[ 0.014349] smp: Brought up 1 node, 2 CPUs
[ 0.014369] SMP: Total of 2 processors activated (96.00 BogoMIPS).
[ 0.014376] CPU: All CPU(s) started in HYP mode.
[ 0.014382] CPU: Virtualization extensions available.
[ 0.015317] devtmpfs: initialized
[ 0.021344] Built 1 zonelists, mobility grouping on. Total pages: 257366
[ 0.021978] VFP support v0.3: implementor 41 architecture 2 part 30
variant 7 rev 4
[ 0.022270] clocksource: jiffies: mask: 0xffffffff max_cycles:
0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.022295] futex hash table entries: 512 (order: 3, 32768 bytes)
[ 0.022532] pinctrl core: initialized pinctrl subsystem
[ 0.023442] NET: Registered protocol family 16
[ 0.024483] DMA: preallocated 256 KiB pool for atomic coherent allocations
[ 0.025539] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4
watchpoint registers.
[ 0.025554] hw-breakpoint: maximum watchpoint size is 8 bytes.
[ 0.040622] SCSI subsystem initialized
[ 0.041126] usbcore: registered new interface driver usbfs
[ 0.041185] usbcore: registered new interface driver hub
[ 0.041248] usbcore: registered new device driver usb
[ 0.041486] pps_core: LinuxPPS API ver. 1 registered
[ 0.041496] pps_core: Software ver. 5.3.6 - Copyright 2005-2007
Rodolfo Giometti <[email protected]>
[ 0.041518] PTP clock support registered
[ 0.041768] Advanced Linux Sound Architecture Driver Initialized.
[ 0.042604] clocksource: Switched to clocksource arch_sys_counter
[ 0.050738] NET: Registered protocol family 2
[ 0.051296] tcp_listen_portaddr_hash hash table entries: 512
(order: 0, 6144 bytes)
[ 0.051330] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
[ 0.051426] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
[ 0.051554] TCP: Hash tables configured (established 8192 bind 8192)
[ 0.051681] UDP hash table entries: 512 (order: 2, 16384 bytes)
[ 0.051746] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
[ 0.051976] NET: Registered protocol family 1
[ 0.052700] RPC: Registered named UNIX socket transport module.
[ 0.052720] RPC: Registered udp transport module.
[ 0.052728] RPC: Registered tcp transport module.
[ 0.052734] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 0.053288] hw perfevents: no interrupt-affinity property for /pmu, guessing.
[ 0.053555] hw perfevents: enabled with armv7_cortex_a7 PMU driver,
5 counters available
[ 0.055102] workingset: timestamp_bits=30 max_order=18 bucket_order=0
[ 0.061853] NFS: Registering the id_resolver key type
[ 0.061899] Key type id_resolver registered
[ 0.061907] Key type id_legacy registered
[ 0.063047] bounce: pool size: 64 pages
[ 0.063160] Block layer SCSI generic (bsg) driver version 0.4
loaded (major 248)
[ 0.063174] io scheduler noop registered
[ 0.063181] io scheduler deadline registered
[ 0.063458] io scheduler cfq registered (default)
[ 0.063471] io scheduler mq-deadline registered
[ 0.063479] io scheduler kyber registered
[ 0.064221] sun4i-usb-phy 1c13400.phy: could not find pctldev for
node /soc@1c00000/pinctrl@1c20800/usb0_id_detect_pin@0, deferring
probe
[ 0.067511] sun4i-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
[ 0.122575] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[ 0.125140] console [ttyS0] disabled
[ 0.145316] 1c28000.serial: ttyS0 at MMIO 0x1c28000 (irq = 47,
base_baud = 1500000) is a U6_16550A
[ 0.795509] console [ttyS0] enabled
[ 0.802488] sun4i-backend 1e60000.display-backend: Couldn't find
matching frontend, frontend features disabled
[ 0.812916] sun4i-drm display-engine: bound 1e60000.display-backend
(ops 0xc0748254)
[ 0.820673] sun4i-backend 1e40000.display-backend: Couldn't find
matching frontend, frontend features disabled
[ 0.830936] sun4i-drm display-engine: bound 1e40000.display-backend
(ops 0xc0748254)
[ 0.839075] sun4i-drm display-engine: No panel or bridge found...
RGB output disabled
[ 0.846971] sun4i-drm display-engine: bound 1c0c000.lcd-controller
(ops 0xc07471e4)
[ 0.854980] sun4i-drm display-engine: No panel or bridge found...
RGB output disabled
[ 0.862849] sun4i-drm display-engine: bound 1c0d000.lcd-controller
(ops 0xc07471e4)
[ 0.870880] sun4i-drm display-engine: bound 1c16000.hdmi (ops 0xc0748c58)
[ 0.877704] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 0.884326] [drm] No driver support for vblank timestamp query.
[ 1.390292] [drm] Cannot find any crtc or sizes
[ 1.395595] [drm] Initialized sun4i-drm 1.0.0 20150629 for
display-engine on minor 0
[ 1.405129] libphy: Fixed MDIO Bus: probed
[ 1.409237] CAN device driver interface
[ 1.413747] sun7i-dwmac 1c50000.ethernet: PTP uses main clock
[ 1.419497] sun7i-dwmac 1c50000.ethernet: no reset control found
[ 1.425552] sun7i-dwmac 1c50000.ethernet: no regulator found
[ 1.431485] sun7i-dwmac 1c50000.ethernet: Ring mode enabled
[ 1.437091] sun7i-dwmac 1c50000.ethernet: DMA HW capability
register supported
[ 1.444327] sun7i-dwmac 1c50000.ethernet: Normal descriptors
[ 1.457654] libphy: stmmac: probed
[ 1.461071] mdio_bus stmmac-0:01: attached PHY driver [unbound]
(mii_bus:phy_addr=stmmac-0:01, irq=POLL)
[ 1.471589] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[ 1.478156] ehci-platform: EHCI generic platform driver
[ 1.483841] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[ 1.490052] ohci-platform: OHCI generic platform driver
[ 1.497244] sunxi-rtc 1c20d00.rtc: rtc core: registered rtc-sunxi as rtc0
[ 1.504095] sunxi-rtc 1c20d00.rtc: RTC enabled
[ 1.508664] i2c /dev entries driver
[ 1.513274] axp20x-i2c 1-0034: AXP20x variant AXP209 found
[ 1.533697] input: axp20x-pek as
/devices/platform/soc@1c00000/1c2ac00.i2c/i2c-1/1-0034/axp20x-pek/input/input0
[ 1.544767] ldo1: supplied by regulator-dummy
[ 1.549413] ldo2: supplied by regulator-dummy
[ 1.554885] ldo3: supplied by regulator-dummy
[ 1.559910] ldo4: supplied by regulator-dummy
[ 1.564482] ldo5: supplied by regulator-dummy
[ 1.569888] dcdc2: supplied by regulator-dummy
[ 1.575030] dcdc3: supplied by regulator-dummy
[ 1.580973] axp20x-i2c 1-0034: AXP20X driver loaded
[ 1.587267] Registered IR keymap rc-empty
[ 1.591373] rc rc0: sunxi-ir as
/devices/platform/soc@1c00000/1c21800.ir/rc/rc0
[ 1.598869] input: sunxi-ir as
/devices/platform/soc@1c00000/1c21800.ir/rc/rc0/input1
[ 1.607130] sunxi-ir 1c21800.ir: initialized sunXi IR driver
[ 1.614018] sunxi-wdt 1c20c90.watchdog: Watchdog enabled
(timeout=16 sec, nowayout=0)
[ 1.625599] sunxi-mmc 1c0f000.mmc: Got CD GPIO
[ 1.655420] sunxi-mmc 1c0f000.mmc: base:0x(ptrval) irq:29
[ 1.661940] sun4i-ss 1c15000.crypto-engine: Die ID 0
[ 1.668712] usbcore: registered new interface driver usbhid
[ 1.674381] usbhid: USB HID core driver
[ 1.682163] sun4i-codec 1c22c00.codec: ASoC: Failed to create
component debugfs directory
[ 1.691722] sun4i-codec 1c22c00.codec: Codec <-> 1c22c00.codec mapping ok
[ 1.699891] NET: Registered protocol family 17
[ 1.704479] can: controller area network core (rev 20170425 abi 9)
[ 1.710750] NET: Registered protocol family 29
[ 1.715224] can: raw protocol (rev 20170425)
[ 1.719491] can: broadcast manager protocol (rev 20170425 t)
[ 1.725170] can: netlink gateway (rev 20170425) max_hops=1
[ 1.730883] Key type dns_resolver registered
[ 1.735258] Registering SWP/SWPB emulation handler
[ 1.742667] random: fast init done
[ 1.787163] mmc0: host does not support reading read-only switch,
assuming write-enable
[ 1.801363] mmc0: new high speed SDHC card at address aaaa
[ 1.807932] mmcblk0: mmc0:aaaa SS16G 14.8 GiB
[ 1.818342] mmcblk0: p1 p2
[ 1.842670] ahci-sunxi 1c18000.sata: controller can't do PMP,
turning off CAP_PMP
[ 1.850191] ahci-sunxi 1c18000.sata: SSS flag set, parallel bus scan disabled
[ 1.857372] ahci-sunxi 1c18000.sata: AHCI 0001.0100 32 slots 1
ports 3 Gbps 0x1 impl platform mode
[ 1.866339] ahci-sunxi 1c18000.sata: flags: ncq sntf stag pm led
clo only pio slum part ccc
[ 1.875763] scsi host0: ahci-sunxi
[ 1.879516] ata1: SATA max UDMA/133 mmio [mem
0x01c18000-0x01c18fff] port 0x100 irq 35
[ 1.888028] ehci-platform 1c14000.usb: EHCI Host Controller
[ 1.893695] ehci-platform 1c14000.usb: new USB bus registered,
assigned bus number 1
[ 1.901732] ehci-platform 1c14000.usb: irq 31, io mem 0x01c14000
[ 1.932626] ehci-platform 1c14000.usb: USB 2.0 started, EHCI 1.00
[ 1.939526] hub 1-0:1.0: USB hub found
[ 1.943392] hub 1-0:1.0: 1 port detected
[ 1.948109] ehci-platform 1c1c000.usb: EHCI Host Controller
[ 1.953769] ehci-platform 1c1c000.usb: new USB bus registered,
assigned bus number 2
[ 1.961773] ehci-platform 1c1c000.usb: irq 36, io mem 0x01c1c000
[ 1.992607] ehci-platform 1c1c000.usb: USB 2.0 started, EHCI 1.00
[ 1.999466] hub 2-0:1.0: USB hub found
[ 2.003320] hub 2-0:1.0: 1 port detected
[ 2.008032] ohci-platform 1c14400.usb: Generic Platform OHCI controller
[ 2.014736] ohci-platform 1c14400.usb: new USB bus registered,
assigned bus number 3
[ 2.022734] ohci-platform 1c14400.usb: irq 32, io mem 0x01c14400
[ 2.097376] hub 3-0:1.0: USB hub found
[ 2.101171] hub 3-0:1.0: 1 port detected
[ 2.105923] ohci-platform 1c1c400.usb: Generic Platform OHCI controller
[ 2.112562] ohci-platform 1c1c400.usb: new USB bus registered,
assigned bus number 4
[ 2.120574] ohci-platform 1c1c400.usb: irq 37, io mem 0x01c1c400
[ 2.197364] hub 4-0:1.0: USB hub found
[ 2.201175] hub 4-0:1.0: 1 port detected
[ 2.205997] usb_phy_generic usb_phy_generic.0.auto:
usb_phy_generic.0.auto supply vcc not found, using dummy regulator
[ 2.214160] ata1: SATA link down (SStatus 0 SControl 300)
[ 2.217246] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
[ 2.227882] musb-hdrc musb-hdrc.1.auto: new USB bus registered,
assigned bus number 5
[ 2.236567] hub 5-0:1.0: USB hub found
[ 2.240366] hub 5-0:1.0: 1 port detected
[ 2.254183] vcc3v0: disabling
[ 2.257167] vcc5v0: disabling
[ 2.260149] ALSA device list:
[ 2.263178] #0: sun4i-codec
[ 2.412833] EXT4-fs (mmcblk0p2): recovery complete
[ 3.412764] [drm] Cannot find any crtc or sizes
[ 3.417412] EXT4-fs (mmcblk0p2): mounted filesystem with ordered
data mode. Opts: (null)
[ 3.425585] VFS: Mounted root (ext4 filesystem) on device 179:2.
[ 3.437152] devtmpfs: mounted
[ 3.441283] Freeing unused kernel memory: 1024K
INIT: version 2.88 booting
[info] Using makefile-style concurrent boot in runlevel S.
[....] Starting the hotplug events dispatcher: udevd[ 4.249237]
udevd[182]: starting version 175
. ok
[....] Synthesizing the initial hotplug events...done.
[....] Waiting for /dev to be fully populated...done.
[....] Setting preliminary keymap...done.
[....] Activating swap...done.
[ 6.741080] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
[....] Cleaning up temporary files... /tmp. ok
[....] Activating lvm and md swap...done.
[....] Checking file systems...fsck from util-linux 2.20.1
done.
[....] Mounting local filesystems...done.
[....] Activating swapfile swap...done.
[....] Cleaning up temporary files.... ok
[....] Setting kernel variables ...done.
[....] Setting up resolvconf.../etc/resolvconf/update.d/libc: Warning:
/etc/resolv.conf is not a symbolic link to
/etc/resolvconf/run/resolv.cf
done.
[ 10.051248] random: dd: uninitialized urandom read (512 bytes read)
[....] Configuring network interfaces...Internet Systems Consortium
DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
[ 10.497147] Generic PHY stmmac-0:01: attached PHY driver [Generic
PHY] (mii_bus:phy_addr=stmmac-0:01, irq=POLL)
[ 10.520577] sun7i-dwmac 1c50000.ethernet eth0: RX IPC Checksum
Offload disabled
[ 10.527939] sun7i-dwmac 1c50000.ethernet eth0: No MAC Management
Counters available
[ 10.535613] sun7i-dwmac 1c50000.ethernet eth0: PTP not supported by HW
Listening on LPF/eth0/02:0f:06:c3:45:7c
Sending on LPF/eth0/02:0f:06:c3:45:7c
Sending on Socket/fallback
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 12
[ 26.229107] random: crng init done
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 15
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11
No DHCPOFFERS received.
No working leases in persistent database - sleeping.
done.
[....] Cleaning up temporary files.... ok
[info] Setting console screen modes.
setterm: cannot (un)set powersave mode: Inappropriate ioctl for device
[info] Skipping font and keymap setup (handled by console-setup).
[....] Setting up console font and keymap...done.
INIT: Entering runlevel: 2
[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd. ok
[....] Starting periodic command scheduler: cron. ok
[....] Starting system message bus: dbus. ok
[....] Starting OpenBSD Secure Shell server: sshd. ok
########################################################################
The above bootup process is same/deterministic (no random behaviours).
Please note that there is no ethernet/hdmi cables attached.
So, at which layer (uboot/kernel/rootfs) is the issue? (I believe
uboot is fine here, still would be grateful for a confirmation).
Thanks and Regards,
Ajay
Hi All.
Seems all is fine actually :P
I connected a ethernet-cable, and saw that 192.168.1.3 is assigned to
cubieboard-2 (but still no login-prompt on the serial-console).
However, when I sshed using debian/debian, I got into the board !!
Extremely sorry for the noise.
Thanks and Regards,
Ajay
On Sat, Apr 28, 2018 at 9:35 AM, Ajay Garg <[email protected]> wrote:
> Hi All.
>
> After a lot of hit-and-trials, I have managed to get some bootup.
> Unfortunately, not able to get a login-prompt.
>
> Following have been done :
>
>
> == u-boot ==
>
> u-boot has been compiled using bleeding-edge mainline
> (ec5c4a8fd64a178a4d159917cda0aa176e5a9be5), via :
>
> * make Cubieboard2_defconfig
> * make ARCH=arm CROSS_COMPILE=/home/ajay/arm-toolchain-6.2/arm-linux-gnueabihf-
>
> This gives us u-boot-sunxi-with-spl.bin
>
>
> == kernel ==
>
> kernel also has been compiled using bleeding-edge mainline
> (6d08b06e67cd117f6992c46611dfb4ce267cd71e) via :
>
> * make clean
> * make ARCH=arm sunxi_defconfig
> * make -j$(nproc) ARCH=arm
> CROSS_COMPILE=arm-toolchain-6.2/arm-linux-gnueabihf- zImage
> * make -j$(nproc) ARCH=arm
> CROSS_COMPILE=arm-toolchain-6.2/arm-linux-gnueabihf-
> sun7i-a20-cubieboard2.dtb
>
> This gives us zImage and sun7i-a20-cubieboard2.dtb.
>
>
> == integration, and starting up ==
>
> Followed the steps as per
> https://github.com/maronai/cubieboard/wiki/3.1.-Compiling-mainline-kernel-for-CubieBoard2-and-CubieTruck,
> but with following differences :
>
> a)
> Used u-boot-sunxi-with-spl.bin, zImage, sun7i-a20-cubieboard2.dtb from
> above steps.
>
> b)
> Used (and compiled to boot.scr) the following boot.cmd :
>
> fatload mmc 0 0x46000000 zImage
> fatload mmc 0 0x49000000 sun7i-a20-cubieboard2.dtb
> setenv bootargs console=ttyS0,115200 rw root=/dev/mmcblk0p2
> bootz 0x46000000 - 0x49000000
>
> c)
> Extracted debian-wheezy-7.5-armhf.com-20140603.tar to the rootfs
> partition on the sd-card.
>
> d)
> Finally, inserted the sdcard in cubieboard2, and upon bootup,
> following is seen :
>
> ########################################################################
> U-Boot SPL 2018.05-rc2-00118-gec5c4a8 (Apr 28 2018 - 08:40:48 +0530)
> DRAM: 1024 MiB
> CPU: 912000000Hz, AXI/AHB/APB: 3/2/2
> Trying to boot from MMC1
>
>
> U-Boot 2018.05-rc2-00118-gec5c4a8 (Apr 28 2018 - 08:40:48 +0530)
> Allwinner Technology
>
> CPU: Allwinner A20 (SUN7I)
> Model: Cubietech Cubieboard2
> I2C: ready
> DRAM: 1 GiB
> MMC: SUNXI SD/MMC: 0
> Loading Environment from FAT... *** Warning - bad CRC, using default environment
>
> Failed (-5)
> In: serial
> Out: serial
> Err: serial
> SCSI: SATA link 0 timeout.
> AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl SATA mode
> flags: ncq stag pm led clo only pmp pio slum part ccc apst
> Net: eth0: ethernet@01c50000
> starting USB...
> USB0: USB EHCI 1.00
> USB1: USB OHCI 1.0
> USB2: USB EHCI 1.00
> USB3: USB OHCI 1.0
> scanning bus 0 for devices... 1 USB Device(s) found
> scanning bus 2 for devices... 1 USB Device(s) found
> scanning usb for storage devices... 0 Storage Device(s) found
> Hit any key to stop autoboot: 0
> switch to partitions #0, OK
> mmc0 is current device
> Scanning mmc 0:1...
> Found U-Boot script /boot.scr
> 245 bytes read in 13 ms (17.6 KiB/s)
> ## Executing script at 43100000
> 3961944 bytes read in 241 ms (15.7 MiB/s)
> 26147 bytes read in 23 ms (1.1 MiB/s)
> ## Flattened Device Tree blob at 49000000
> Booting using the fdt blob at 0x49000000
> Loading Device Tree to 49ff6000, end 49fff622 ... OK
>
> Starting kernel ...
>
> [ 0.000000] Booting Linux on physical CPU 0x0
> [ 0.000000] Linux version 4.17.0-rc2 (ajay@latitude-3480) (gcc
> version 6.2.1 20161016 (Linaro GCC 6.2-2016.11)) #6 SMP Sat Apr 28
> 08:36:46 8
> [ 0.000000] CPU: ARMv7 Processor [410fc074] revision 4 (ARMv7), cr=10c5387d
> [ 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: Cubietech Cubieboard2
> [ 0.000000] Memory policy: Data cache writealloc
> [ 0.000000] cma: Reserved 16 MiB at 0x7f000000
> [ 0.000000] psci: probing for conduit method from DT.
> [ 0.000000] psci: Using PSCI v0.1 Function IDs from DT
> [ 0.000000] random: get_random_bytes called from
> start_kernel+0xa0/0x3fc with crng_init=0
> [ 0.000000] percpu: Embedded 16 pages/cpu @(ptrval) s33804 r8192
> d23540 u65536
> [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 260608
> [ 0.000000] Kernel command line: console=ttyS0,115200 rw root=/dev/mmcblk0p2
> [ 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: 1013080K/1048576K available (6144K kernel code,
> 420K rwdata, 1492K rodata, 1024K init, 241K bss, 19112K reserved,
> 16384)
> [ 0.000000] Virtual kernel memory layout:
> [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
> [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
> [ 0.000000] vmalloc : 0xf0800000 - 0xff800000 ( 240 MB)
> [ 0.000000] lowmem : 0xc0000000 - 0xf0000000 ( 768 MB)
> [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
> [ 0.000000] modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
> [ 0.000000] .text : 0x(ptrval) - 0x(ptrval) (7136 kB)
> [ 0.000000] .init : 0x(ptrval) - 0x(ptrval) (1024 kB)
> [ 0.000000] .data : 0x(ptrval) - 0x(ptrval) ( 421 kB)
> [ 0.000000] .bss : 0x(ptrval) - 0x(ptrval) ( 242 kB)
> [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
> [ 0.000000] Hierarchical RCU implementation.
> [ 0.000000] RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
> [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
> [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
> [ 0.000000] GIC: Using split EOI/Deactivate mode
> [ 0.000000] arch_timer: cp15 timer(s) running at 24.00MHz (phys).
> [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff
> max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns
> [ 0.000008] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps
> every 4398046511097ns
> [ 0.000022] Switching to timer-based delay loop, resolution 41ns
> [ 0.000324] clocksource: timer: mask: 0xffffffff max_cycles:
> 0xffffffff, max_idle_ns: 79635851949 ns
> [ 0.000554] clocksource: hstimer: mask: 0xffffffff max_cycles:
> 0xffffffff, max_idle_ns: 6370868154 ns
> [ 0.000795] Console: colour dummy device 80x30
> [ 0.000841] Calibrating delay loop (skipped), value calculated
> using timer frequency.. 48.00 BogoMIPS (lpj=240000)
> [ 0.000857] pid_max: default: 32768 minimum: 301
> [ 0.001024] Mount-cache hash table entries: 2048 (order: 1, 8192 bytes)
> [ 0.001041] Mountpoint-cache hash table entries: 2048 (order: 1, 8192 bytes)
> [ 0.001671] CPU: Testing write buffer coherency: ok
> [ 0.002053] /cpus/cpu@0 missing clock-frequency property
> [ 0.002074] /cpus/cpu@1 missing clock-frequency property
> [ 0.002088] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
> [ 0.002564] Setting up static identity map for 0x40100000 - 0x40100060
> [ 0.002722] Hierarchical SRCU implementation.
> [ 0.003499] smp: Bringing up secondary CPUs ...
> [ 0.014215] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
> [ 0.014349] smp: Brought up 1 node, 2 CPUs
> [ 0.014369] SMP: Total of 2 processors activated (96.00 BogoMIPS).
> [ 0.014376] CPU: All CPU(s) started in HYP mode.
> [ 0.014382] CPU: Virtualization extensions available.
> [ 0.015317] devtmpfs: initialized
> [ 0.021344] Built 1 zonelists, mobility grouping on. Total pages: 257366
> [ 0.021978] VFP support v0.3: implementor 41 architecture 2 part 30
> variant 7 rev 4
> [ 0.022270] clocksource: jiffies: mask: 0xffffffff max_cycles:
> 0xffffffff, max_idle_ns: 19112604462750000 ns
> [ 0.022295] futex hash table entries: 512 (order: 3, 32768 bytes)
> [ 0.022532] pinctrl core: initialized pinctrl subsystem
> [ 0.023442] NET: Registered protocol family 16
> [ 0.024483] DMA: preallocated 256 KiB pool for atomic coherent allocations
> [ 0.025539] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4
> watchpoint registers.
> [ 0.025554] hw-breakpoint: maximum watchpoint size is 8 bytes.
> [ 0.040622] SCSI subsystem initialized
> [ 0.041126] usbcore: registered new interface driver usbfs
> [ 0.041185] usbcore: registered new interface driver hub
> [ 0.041248] usbcore: registered new device driver usb
> [ 0.041486] pps_core: LinuxPPS API ver. 1 registered
> [ 0.041496] pps_core: Software ver. 5.3.6 - Copyright 2005-2007
> Rodolfo Giometti <[email protected]>
> [ 0.041518] PTP clock support registered
> [ 0.041768] Advanced Linux Sound Architecture Driver Initialized.
> [ 0.042604] clocksource: Switched to clocksource arch_sys_counter
> [ 0.050738] NET: Registered protocol family 2
> [ 0.051296] tcp_listen_portaddr_hash hash table entries: 512
> (order: 0, 6144 bytes)
> [ 0.051330] TCP established hash table entries: 8192 (order: 3, 32768 bytes)
> [ 0.051426] TCP bind hash table entries: 8192 (order: 4, 65536 bytes)
> [ 0.051554] TCP: Hash tables configured (established 8192 bind 8192)
> [ 0.051681] UDP hash table entries: 512 (order: 2, 16384 bytes)
> [ 0.051746] UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
> [ 0.051976] NET: Registered protocol family 1
> [ 0.052700] RPC: Registered named UNIX socket transport module.
> [ 0.052720] RPC: Registered udp transport module.
> [ 0.052728] RPC: Registered tcp transport module.
> [ 0.052734] RPC: Registered tcp NFSv4.1 backchannel transport module.
> [ 0.053288] hw perfevents: no interrupt-affinity property for /pmu, guessing.
> [ 0.053555] hw perfevents: enabled with armv7_cortex_a7 PMU driver,
> 5 counters available
> [ 0.055102] workingset: timestamp_bits=30 max_order=18 bucket_order=0
> [ 0.061853] NFS: Registering the id_resolver key type
> [ 0.061899] Key type id_resolver registered
> [ 0.061907] Key type id_legacy registered
> [ 0.063047] bounce: pool size: 64 pages
> [ 0.063160] Block layer SCSI generic (bsg) driver version 0.4
> loaded (major 248)
> [ 0.063174] io scheduler noop registered
> [ 0.063181] io scheduler deadline registered
> [ 0.063458] io scheduler cfq registered (default)
> [ 0.063471] io scheduler mq-deadline registered
> [ 0.063479] io scheduler kyber registered
> [ 0.064221] sun4i-usb-phy 1c13400.phy: could not find pctldev for
> node /soc@1c00000/pinctrl@1c20800/usb0_id_detect_pin@0, deferring
> probe
> [ 0.067511] sun4i-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
> [ 0.122575] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
> [ 0.125140] console [ttyS0] disabled
> [ 0.145316] 1c28000.serial: ttyS0 at MMIO 0x1c28000 (irq = 47,
> base_baud = 1500000) is a U6_16550A
> [ 0.795509] console [ttyS0] enabled
> [ 0.802488] sun4i-backend 1e60000.display-backend: Couldn't find
> matching frontend, frontend features disabled
> [ 0.812916] sun4i-drm display-engine: bound 1e60000.display-backend
> (ops 0xc0748254)
> [ 0.820673] sun4i-backend 1e40000.display-backend: Couldn't find
> matching frontend, frontend features disabled
> [ 0.830936] sun4i-drm display-engine: bound 1e40000.display-backend
> (ops 0xc0748254)
> [ 0.839075] sun4i-drm display-engine: No panel or bridge found...
> RGB output disabled
> [ 0.846971] sun4i-drm display-engine: bound 1c0c000.lcd-controller
> (ops 0xc07471e4)
> [ 0.854980] sun4i-drm display-engine: No panel or bridge found...
> RGB output disabled
> [ 0.862849] sun4i-drm display-engine: bound 1c0d000.lcd-controller
> (ops 0xc07471e4)
> [ 0.870880] sun4i-drm display-engine: bound 1c16000.hdmi (ops 0xc0748c58)
> [ 0.877704] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
> [ 0.884326] [drm] No driver support for vblank timestamp query.
> [ 1.390292] [drm] Cannot find any crtc or sizes
> [ 1.395595] [drm] Initialized sun4i-drm 1.0.0 20150629 for
> display-engine on minor 0
> [ 1.405129] libphy: Fixed MDIO Bus: probed
> [ 1.409237] CAN device driver interface
> [ 1.413747] sun7i-dwmac 1c50000.ethernet: PTP uses main clock
> [ 1.419497] sun7i-dwmac 1c50000.ethernet: no reset control found
> [ 1.425552] sun7i-dwmac 1c50000.ethernet: no regulator found
> [ 1.431485] sun7i-dwmac 1c50000.ethernet: Ring mode enabled
> [ 1.437091] sun7i-dwmac 1c50000.ethernet: DMA HW capability
> register supported
> [ 1.444327] sun7i-dwmac 1c50000.ethernet: Normal descriptors
> [ 1.457654] libphy: stmmac: probed
> [ 1.461071] mdio_bus stmmac-0:01: attached PHY driver [unbound]
> (mii_bus:phy_addr=stmmac-0:01, irq=POLL)
> [ 1.471589] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
> [ 1.478156] ehci-platform: EHCI generic platform driver
> [ 1.483841] ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
> [ 1.490052] ohci-platform: OHCI generic platform driver
> [ 1.497244] sunxi-rtc 1c20d00.rtc: rtc core: registered rtc-sunxi as rtc0
> [ 1.504095] sunxi-rtc 1c20d00.rtc: RTC enabled
> [ 1.508664] i2c /dev entries driver
> [ 1.513274] axp20x-i2c 1-0034: AXP20x variant AXP209 found
> [ 1.533697] input: axp20x-pek as
> /devices/platform/soc@1c00000/1c2ac00.i2c/i2c-1/1-0034/axp20x-pek/input/input0
> [ 1.544767] ldo1: supplied by regulator-dummy
> [ 1.549413] ldo2: supplied by regulator-dummy
> [ 1.554885] ldo3: supplied by regulator-dummy
> [ 1.559910] ldo4: supplied by regulator-dummy
> [ 1.564482] ldo5: supplied by regulator-dummy
> [ 1.569888] dcdc2: supplied by regulator-dummy
> [ 1.575030] dcdc3: supplied by regulator-dummy
> [ 1.580973] axp20x-i2c 1-0034: AXP20X driver loaded
> [ 1.587267] Registered IR keymap rc-empty
> [ 1.591373] rc rc0: sunxi-ir as
> /devices/platform/soc@1c00000/1c21800.ir/rc/rc0
> [ 1.598869] input: sunxi-ir as
> /devices/platform/soc@1c00000/1c21800.ir/rc/rc0/input1
> [ 1.607130] sunxi-ir 1c21800.ir: initialized sunXi IR driver
> [ 1.614018] sunxi-wdt 1c20c90.watchdog: Watchdog enabled
> (timeout=16 sec, nowayout=0)
> [ 1.625599] sunxi-mmc 1c0f000.mmc: Got CD GPIO
> [ 1.655420] sunxi-mmc 1c0f000.mmc: base:0x(ptrval) irq:29
> [ 1.661940] sun4i-ss 1c15000.crypto-engine: Die ID 0
> [ 1.668712] usbcore: registered new interface driver usbhid
> [ 1.674381] usbhid: USB HID core driver
> [ 1.682163] sun4i-codec 1c22c00.codec: ASoC: Failed to create
> component debugfs directory
> [ 1.691722] sun4i-codec 1c22c00.codec: Codec <-> 1c22c00.codec mapping ok
> [ 1.699891] NET: Registered protocol family 17
> [ 1.704479] can: controller area network core (rev 20170425 abi 9)
> [ 1.710750] NET: Registered protocol family 29
> [ 1.715224] can: raw protocol (rev 20170425)
> [ 1.719491] can: broadcast manager protocol (rev 20170425 t)
> [ 1.725170] can: netlink gateway (rev 20170425) max_hops=1
> [ 1.730883] Key type dns_resolver registered
> [ 1.735258] Registering SWP/SWPB emulation handler
> [ 1.742667] random: fast init done
> [ 1.787163] mmc0: host does not support reading read-only switch,
> assuming write-enable
> [ 1.801363] mmc0: new high speed SDHC card at address aaaa
> [ 1.807932] mmcblk0: mmc0:aaaa SS16G 14.8 GiB
> [ 1.818342] mmcblk0: p1 p2
> [ 1.842670] ahci-sunxi 1c18000.sata: controller can't do PMP,
> turning off CAP_PMP
> [ 1.850191] ahci-sunxi 1c18000.sata: SSS flag set, parallel bus scan disabled
> [ 1.857372] ahci-sunxi 1c18000.sata: AHCI 0001.0100 32 slots 1
> ports 3 Gbps 0x1 impl platform mode
> [ 1.866339] ahci-sunxi 1c18000.sata: flags: ncq sntf stag pm led
> clo only pio slum part ccc
> [ 1.875763] scsi host0: ahci-sunxi
> [ 1.879516] ata1: SATA max UDMA/133 mmio [mem
> 0x01c18000-0x01c18fff] port 0x100 irq 35
> [ 1.888028] ehci-platform 1c14000.usb: EHCI Host Controller
> [ 1.893695] ehci-platform 1c14000.usb: new USB bus registered,
> assigned bus number 1
> [ 1.901732] ehci-platform 1c14000.usb: irq 31, io mem 0x01c14000
> [ 1.932626] ehci-platform 1c14000.usb: USB 2.0 started, EHCI 1.00
> [ 1.939526] hub 1-0:1.0: USB hub found
> [ 1.943392] hub 1-0:1.0: 1 port detected
> [ 1.948109] ehci-platform 1c1c000.usb: EHCI Host Controller
> [ 1.953769] ehci-platform 1c1c000.usb: new USB bus registered,
> assigned bus number 2
> [ 1.961773] ehci-platform 1c1c000.usb: irq 36, io mem 0x01c1c000
> [ 1.992607] ehci-platform 1c1c000.usb: USB 2.0 started, EHCI 1.00
> [ 1.999466] hub 2-0:1.0: USB hub found
> [ 2.003320] hub 2-0:1.0: 1 port detected
> [ 2.008032] ohci-platform 1c14400.usb: Generic Platform OHCI controller
> [ 2.014736] ohci-platform 1c14400.usb: new USB bus registered,
> assigned bus number 3
> [ 2.022734] ohci-platform 1c14400.usb: irq 32, io mem 0x01c14400
> [ 2.097376] hub 3-0:1.0: USB hub found
> [ 2.101171] hub 3-0:1.0: 1 port detected
> [ 2.105923] ohci-platform 1c1c400.usb: Generic Platform OHCI controller
> [ 2.112562] ohci-platform 1c1c400.usb: new USB bus registered,
> assigned bus number 4
> [ 2.120574] ohci-platform 1c1c400.usb: irq 37, io mem 0x01c1c400
> [ 2.197364] hub 4-0:1.0: USB hub found
> [ 2.201175] hub 4-0:1.0: 1 port detected
> [ 2.205997] usb_phy_generic usb_phy_generic.0.auto:
> usb_phy_generic.0.auto supply vcc not found, using dummy regulator
> [ 2.214160] ata1: SATA link down (SStatus 0 SControl 300)
> [ 2.217246] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
> [ 2.227882] musb-hdrc musb-hdrc.1.auto: new USB bus registered,
> assigned bus number 5
> [ 2.236567] hub 5-0:1.0: USB hub found
> [ 2.240366] hub 5-0:1.0: 1 port detected
> [ 2.254183] vcc3v0: disabling
> [ 2.257167] vcc5v0: disabling
> [ 2.260149] ALSA device list:
> [ 2.263178] #0: sun4i-codec
> [ 2.412833] EXT4-fs (mmcblk0p2): recovery complete
> [ 3.412764] [drm] Cannot find any crtc or sizes
> [ 3.417412] EXT4-fs (mmcblk0p2): mounted filesystem with ordered
> data mode. Opts: (null)
> [ 3.425585] VFS: Mounted root (ext4 filesystem) on device 179:2.
> [ 3.437152] devtmpfs: mounted
> [ 3.441283] Freeing unused kernel memory: 1024K
> INIT: version 2.88 booting
> [info] Using makefile-style concurrent boot in runlevel S.
> [....] Starting the hotplug events dispatcher: udevd[ 4.249237]
> udevd[182]: starting version 175
> . ok
> [....] Synthesizing the initial hotplug events...done.
> [....] Waiting for /dev to be fully populated...done.
> [....] Setting preliminary keymap...done.
> [....] Activating swap...done.
> [ 6.741080] EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
> [....] Cleaning up temporary files... /tmp. ok
> [....] Activating lvm and md swap...done.
> [....] Checking file systems...fsck from util-linux 2.20.1
> done.
> [....] Mounting local filesystems...done.
> [....] Activating swapfile swap...done.
> [....] Cleaning up temporary files.... ok
> [....] Setting kernel variables ...done.
> [....] Setting up resolvconf.../etc/resolvconf/update.d/libc: Warning:
> /etc/resolv.conf is not a symbolic link to
> /etc/resolvconf/run/resolv.cf
> done.
> [ 10.051248] random: dd: uninitialized urandom read (512 bytes read)
> [....] Configuring network interfaces...Internet Systems Consortium
> DHCP Client 4.2.2
> Copyright 2004-2011 Internet Systems Consortium.
> All rights reserved.
> For info, please visit https://www.isc.org/software/dhcp/
>
> [ 10.497147] Generic PHY stmmac-0:01: attached PHY driver [Generic
> PHY] (mii_bus:phy_addr=stmmac-0:01, irq=POLL)
> [ 10.520577] sun7i-dwmac 1c50000.ethernet eth0: RX IPC Checksum
> Offload disabled
> [ 10.527939] sun7i-dwmac 1c50000.ethernet eth0: No MAC Management
> Counters available
> [ 10.535613] sun7i-dwmac 1c50000.ethernet eth0: PTP not supported by HW
> Listening on LPF/eth0/02:0f:06:c3:45:7c
> Sending on LPF/eth0/02:0f:06:c3:45:7c
> Sending on Socket/fallback
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 4
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 12
> [ 26.229107] random: crng init done
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 15
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11
> DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11
> No DHCPOFFERS received.
> No working leases in persistent database - sleeping.
> done.
> [....] Cleaning up temporary files.... ok
> [info] Setting console screen modes.
> setterm: cannot (un)set powersave mode: Inappropriate ioctl for device
> [info] Skipping font and keymap setup (handled by console-setup).
> [....] Setting up console font and keymap...done.
> INIT: Entering runlevel: 2
> [info] Using makefile-style concurrent boot in runlevel 2.
> [....] Starting enhanced syslogd: rsyslogd. ok
> [....] Starting periodic command scheduler: cron. ok
> [....] Starting system message bus: dbus. ok
> [....] Starting OpenBSD Secure Shell server: sshd. ok
> ########################################################################
>
>
>
> The above bootup process is same/deterministic (no random behaviours).
> Please note that there is no ethernet/hdmi cables attached.
>
>
> So, at which layer (uboot/kernel/rootfs) is the issue? (I believe
> uboot is fine here, still would be grateful for a confirmation).
>
>
> Thanks and Regards,
> Ajay