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Cubian X1 stucks during boot from SD card #457

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nickaein opened this issue Apr 5, 2015 · 1 comment
Open

Cubian X1 stucks during boot from SD card #457

nickaein opened this issue Apr 5, 2015 · 1 comment

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@nickaein
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nickaein commented Apr 5, 2015

Hi,

I've flashed Cubian X1 Desktop HDMI image for Cubietruck (Cubian-desktop-x1-a20-cubietruck-hdmi.img) on the SD card using the following command:

sudo dd if=Cubian-desktop-x1-a20-cubietruck-hdmi.img of=/dev/sdb bs=4096; sync

Using the serial debug, it can be obsevered that the boot stucks at =========== WLAN placed in RESET ========

Here is the complete serial console output:

U-Boot SPL 2014.01-rc1-09161-g108ec3f (Jan 20 2014 - 05:50:52)
Board: Cubietruck
DRAM: 2048 MiB
CPU: 960000000Hz, AXI/AHB/APB: 3/2/2
spl: not an uImage at 1600


U-Boot 2014.01-rc1-09161-g108ec3f (Jan 20 2014 - 05:50:52) Allwinner Technology

CPU:   Allwinner A20 (SUN7I)
Board: Cubietruck
I2C:   ready
DRAM:  2 GiB
WARNING: Caches not enabled
MMC:   SUNXI SD/MMC: 0
*** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
Net:   mii0
Warning: failed to set MAC address

Hit any key to stop autoboot:  0 
** Unrecognized filesystem type **
** File not found boot/uEnv.txt **
150 bytes read in 4 ms (36.1 KiB/s)
Loaded environment from uEnv.txt
** Unrecognized filesystem type **
** File not found boot/boot.scr **
** File not found boot.scr **
** File not found /boot/script.bin **
** Unrecognized filesystem type **
50028 bytes read in 8 ms (6 MiB/s)
5912576 bytes read in 401 ms (14.1 MiB/s)
## Booting kernel from Legacy Image at 48000000 ...
   Image Name:   Linux-3.4.79-sun7i
   Created:      2014-07-02  22:40:15 UTC
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    5912512 Bytes = 5.6 MiB
   Load Address: 40008000
   Entry Point:  40008000
   Verifying Checksum ... OK
   Loading Kernel Image ... OK

Starting kernel ...

<6>Booting Linux on physical CPU 0
<6>Initializing cgroup subsys cpuset
<6>Initializing cgroup subsys cpu
<5>Linux version 3.4.79-sun7i (root@ubtu) (gcc version 4.8.2 20130603 (prerelease) (crosstool-NG linaro-1.13.1-4.8-2013.06 - Linaro GCC 2013.04
CPU: ARMv7 Processor [410fc074] revision 4 (ARMv7), cr=10c5387d
CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
Machine: sun7i
<6>Memory Reserved:
<6>     SYS  : 0x43000000 - 0x4300ffff  (  64 kB)
<6>     G2D  : 0x50000000 - 0x50ffffff  (  16 MB)
<6>     LCD  : 0x51000000 - 0x52ffffff  (  32 MB)
<7>cma: dma_contiguous_reserve(limit 4fffffff)
<7>cma: dma_contiguous_reserve: reserving 192 MiB for global area
<7>cma: dma_declare_contiguous(size c000000, base 00000000, limit 4fffffff)
<6>cma: CMA: reserved 192 MiB at 43c00000
Memory policy: ECC disabled, Data cache writealloc
<6>sunxi: Allwinner A20 (AW1651/sun7i) detected.
<7>On node 0 totalpages: 524288
<7>free_area_init_node: node 0, pgdat c0b30500, node_mem_map d3000000
<7>  DMA zone: 512 pages used for memmap
<7>  DMA zone: 0 pages reserved
<7>  DMA zone: 65024 pages, LIFO batch:15
<7>  Normal zone: 1008 pages used for memmap
<7>  Normal zone: 128016 pages, LIFO batch:31
<7>  HighMem zone: 2576 pages used for memmap
<7>  HighMem zone: 327152 pages, LIFO batch:31
<6>PERCPU: Embedded 7 pages/cpu @d400e000 s7616 r8192 d12864 u32768
<7>pcpu-alloc: s7616 r8192 d12864 u32768 alloc=8*4096<c>
<7>pcpu-alloc: <c>[0] <c>0 <c>[0] <c>1 <c>
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 520192
<5>Kernel command line: console=ttyS0,115200 root=/dev/mmcblk0p2 rootwait loglevel=8 panic=10 console=tty2 hdmi.audio=EDID:0 disp.screen0_outp0
<6>PID hash table entries: 4096 (order: 2, 16384 bytes)
<6>Dentry cache hash table entries: 131072 (order: 7, 524288 bytes)
<6>Inode-cache hash table entries: 65536 (order: 6, 262144 bytes)
<6>allocated 4194304 bytes of page_cgroup
<6>please try 'cgroup_disable=memory' option if you don't want memory cgroups
<6>Memory: 2048MB = 2048MB total
<5>Memory: 1816100k/1816100k available, 281052k reserved, 1318912K highmem
<5>Virtual kernel memory layout:
    vector  : 0xffff0000 - 0xffff1000   (   4 kB)
    fixmap  : 0xfff00000 - 0xfffe0000   ( 896 kB)
    vmalloc : 0xf0000000 - 0xff000000   ( 240 MB)
    lowmem  : 0xc0000000 - 0xef800000   ( 760 MB)
    pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
    modules : 0xbf000000 - 0xbfe00000   (  14 MB)
      .text : 0xc0008000 - 0xc0a7b204   (10701 kB)
      .init : 0xc0a7c000 - 0xc0ab8dc0   ( 244 kB)
      .data : 0xc0aba000 - 0xc0b39398   ( 509 kB)
       .bss : 0xc0b393bc - 0xc0d21cd8   (1955 kB)
<6>SLUB: Genslabs=11, HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
<6>Preemptible hierarchical RCU implementation.
<6>     RCU dyntick-idle grace-period acceleration is enabled.
<6>NR_IRQS:192
<6>Architected local timer running at 24.00MHz.
<6>sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956ms
<2>start_kernel(): bug: interrupts were enabled early
<6>Console: colour dummy device 80x30
<6>console [tty2] enabled
<6>Calibrating delay loop... <c>1908.73 BogoMIPS (lpj=9543680)
<6>pid_max: default: 32768 minimum: 301
<6>Mount-cache hash table entries: 512
<6>Initializing cgroup subsys cpuacct
<6>Initializing cgroup subsys memory
<6>Initializing cgroup subsys devices
<6>Initializing cgroup subsys freezer
<6>Initializing cgroup subsys blkio
<6>Initializing cgroup subsys perf_event
<6>CPU: Testing write buffer coherency: ok
<6>CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
<6>hw perfevents: enabled with ARMv7 Cortex-A7 PMU driver, 5 counters available
<6>Setting up static identity map for 0x40788798 - 0x407887f0
CPU1: Booted secondary processor
<6>CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
<6>Brought up 2 CPUs
<6>SMP: Total of 2 processors activated (3824.02 BogoMIPS).
<6>devtmpfs: initialized
<6>xor: measuring software checksum speed
<6>   arm4regs  :  1332.000 MB/sec
<6>   8regs     :   705.600 MB/sec
<6>   32regs    :   798.000 MB/sec
<6>xor: using function: arm4regs (1332.000 MB/sec)
<6>dummy: 
<7>cma: cma_init_reserved_areas()
<7>cma: cma_create_area(base 00043c00, count c000)
<7>cma: cma_create_area: returned ef0ab1c0
<6>NET: Registered protocol family 16
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 64, align 6)
<7>cma: dma_alloc_from_contiguous(): returned d3078000
<6>DMA: preallocated 256 KiB pool for atomic coherent allocations
<6>hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
<6>hw-breakpoint: maximum watchpoint size is 8 bytes.
<6>[ccu-inf] aw clock manager init
<6>[ccu-inf] aw_ccu_init
<6>[ccu-inf] script config pll3 to 297MHz
<6>[ccu-inf] script config pll4 to 300MHz
<6>[ccu-inf] script config pll6 to 600MHz
<6>[ccu-inf] script config pll7 to 297MHz
<6>[ccu-inf] script config pll8 to 336MHz
<6>Init eGon pin module V2.0
<6>bio: create slab <bio-0> at 0
raid6: int32x1    151 MB/s
raid6: int32x2    189 MB/s
raid6: int32x4    209 MB/s
raid6: int32x8    196 MB/s
raid6: using algorithm int32x4 (209 MB/s)
<5>SCSI subsystem initialized
<7>libata version 3.00 loaded.
<6>usbcore: registered new interface driver usbfs
<6>usbcore: registered new interface driver hub
<6>usbcore: registered new device driver usb
<6>Linux media interface: v0.10
<6>Linux video capture interface: v2.00
<6>Advanced Linux Sound Architecture Driver Version 1.0.25.
<6>cfg80211: Calling CRDA to update world regulatory domain
<6>Switching to clocksource arch_sys_counter
<5>FS-Cache: Loaded
<6>CacheFiles: Loaded
WRN:L287(drivers/usb/sunxi_usb/manager/usb_manager.c):ERR: det_vbus pin is invaild
WRN:L426(drivers/usb/sunxi_usb/manager/usb_manager.c):ERR: check_usb_board_info failed
WRN:L480(drivers/usb/sunxi_usb/manager/usb_manager.c):ERR: get_usb_cfg failed
<6>NET: Registered protocol family 2
<6>IP route cache hash table entries: 32768 (order: 5, 131072 bytes)
<6>TCP established hash table entries: 131072 (order: 8, 1048576 bytes)
<6>TCP bind hash table entries: 65536 (order: 7, 786432 bytes)
<6>TCP: Hash tables configured (established 131072 bind 65536)
<6>TCP: reno registered
<6>UDP hash table entries: 512 (order: 2, 16384 bytes)
<6>UDP-Lite hash table entries: 512 (order: 2, 16384 bytes)
<6>NET: Registered protocol family 1
<6>RPC: Registered named UNIX socket transport module.
<6>RPC: Registered udp transport module.
<6>RPC: Registered tcp transport module.
<6>RPC: Registered tcp NFSv4.1 backchannel transport module.
pm: select wifi: ap6210
<6>ap6xxx: config 32k clock
[wifi_pm]: wifi gpio init is OK !!
[rfkill]: rfkill set power 0
<6>audit: initializing netlink socket (disabled)
<5>type=2000 audit(1.410:1): initialized
highmem bounce pool size: 64 pages
<5>VFS: Disk quotas dquot_6.5.2
Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
<5>NFS: Registering the id_resolver key type
<6>nfs4filelayout_init: NFSv4 File Layout Driver Registering...
<6>NTFS driver 2.1.30 [Flags: R/W].
<6>fuse init (API version 7.18)
<6>OCFS2 1.5.0
<6>ocfs2: Registered cluster interface o2cb
<6>OCFS2 DLMFS 1.5.0
OCFS2 User DLM kernel interface loaded
<6>OCFS2 Node Manager 1.5.0
<6>OCFS2 DLM 1.5.0
<6>Btrfs loaded
<6>msgmni has been set to 1355
<3>alg: comp: Compression test 1 failed for lzo-generic: output len = 57
<6>alg: No test for stdrng (krng)
<6>Block layer SCSI generic (bsg) driver version 0.4 loaded (major 252)
<6>io scheduler noop registered
<6>io scheduler deadline registered
<6>io scheduler cfq registered (default)
<6>sunxi disp driver loaded (/dev/disp api 1.0)
<6>Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
<6>[uart]: used uart info.: 0x05
<6>[uart]: serial probe 0 irq 33 mapbase 0x01c28000
<6>sunxi-uart.0: ttyS0 at MMIO 0x1c28000 (irq = 33) is a U6_16550A
<6>console [ttyS0] enabled
<6>[uart]: serial probe 2 irq 35 mapbase 0x01c28800
<6>sunxi-uart.2: ttyS1 at MMIO 0x1c28800 (irq = 35) is a U6_16550A
<7>G2D: drv_g2d_init
<6>G2D: g2dmem: g2d_start=50000000, g2d_size=1000000
<6>G2D: head:d0000000,tail:d1000000
<6>G2D: Module initialized.major:250
<6>brd: module loaded
<6>loop: module loaded
[NAND] nand driver version: 0x2 0x9 
<4>Dev Sunxi softw311 nand magic does not match for MBR 1: softw411
<4>Dev Sunxi softw311 nand magic does not match for MBR 2:         
<4>Dev Sunxi softw311 nand magic does not match for MBR 3:         
<4>Dev Sunxi softw311 nand magic does not match for MBR 4:         
<4>Dev Sunxi softw311 nand header bad for all MBR copies, MBR corrupted or not present.
<4>Dev Sunxi softw411 nand: part 1, start 128, size 2048
<4>Dev Sunxi softw411 nand: part 2, start 2176, size 15038336
<6> nand: nanda nandb
[NAND]nand driver, ok.
<6>sw_ahci sw_ahci.0: controller can't do PMP, turning off CAP_PMP
<4>sw_ahci sw_ahci.0: forcing PORTS_IMPL to 0x1
<6>sw_ahci sw_ahci.0: AHCI 0001.0100 32 slots 1 ports 3 Gbps 0x1 impl platform mode
<6>sw_ahci sw_ahci.0: flags: ncq sntf pm led clo only pio slum part ccc 
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 23, align 5)
<7>cma: dma_alloc_from_contiguous(): returned d3078800
<6>scsi0 : sw_ahci_platform
<6>ata1: SATA max UDMA/133 mmio [mem 0x01c18000-0x01c18fff] port 0x100 irq 88
<3>[spi-err] Get spi devices number failed
<3>[spi-err] register spi devices board info failed 
<4>spi: cannot find any using configuration for                     all 4 spi controllers, return directly!
<4>emac_init fetch emac using configuration failed
<6>emac driver is disabled
<6>gmac: use mac address from chipid
<6>eth%d: device MAC address 02:8a:05:41:18:8a
[gmac]: sun6i_gmac platform driver registration completed
<6>ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
<6>ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver
[sw-ehci1]: open clock
[sw-ehci1]: Set USB Power ON
<6>sw-ehci sw-ehci.1: SW USB2.0 'Enhanced' Host Controller (EHCI) Driver
<6>sw-ehci sw-ehci.1: new USB bus registered, assigned bus number 1
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 1, align 0)
<7>cma: dma_alloc_from_contiguous(): returned d3078ae0
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 1, align 0)
<7>cma: dma_alloc_from_contiguous(): returned d3078b00
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 1, align 0)
<7>cma: dma_alloc_from_contiguous(): returned d3078b20
<6>sw-ehci sw-ehci.1: irq 71, io mem 0x01c14000
<6>sw-ehci sw-ehci.1: USB 2.0 started, EHCI 1.00
<6>hub 1-0:1.0: USB hub found
<6>hub 1-0:1.0: 1 port detected
[sw-ohci1]: open clock
<6>sw-ohci sw-ohci.1: SW USB2.0 'Open' Host Controller (OHCI) Driver
<6>sw-ohci sw-ohci.1: new USB bus registered, assigned bus number 2
<6>sw-ohci sw-ohci.1: irq 96, io mem 0x01c14400
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 1, align 0)
<7>cma: dma_alloc_from_contiguous(): returned d3078b40
<6>hub 2-0:1.0: USB hub found
<6>hub 2-0:1.0: 1 port detected
[sw-ehci2]: open clock
[sw-ehci2]: Set USB Power ON
<6>sw-ehci sw-ehci.2: SW USB2.0 'Enhanced' Host Controller (EHCI) Driver
<6>sw-ehci sw-ehci.2: new USB bus registered, assigned bus number 3
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 1, align 0)
<7>cma: dma_alloc_from_contiguous(): returned d3078b60
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 1, align 0)
<7>cma: dma_alloc_from_contiguous(): returned d3078b80
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 1, align 0)
<7>cma: dma_alloc_from_contiguous(): returned d3078ba0
<6>ata1: SATA link down (SStatus 0 SControl 300)
<6>sw-ehci sw-ehci.2: irq 72, io mem 0x01c1c000
<6>sw-ehci sw-ehci.2: USB 2.0 started, EHCI 1.00
<6>hub 3-0:1.0: USB hub found
<6>hub 3-0:1.0: 1 port detected
[sw-ohci2]: open clock
<6>sw-ohci sw-ohci.2: SW USB2.0 'Open' Host Controller (OHCI) Driver
<6>sw-ohci sw-ohci.2: new USB bus registered, assigned bus number 4
<6>sw-ohci sw-ohci.2: irq 97, io mem 0x01c1c400
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 1, align 0)
<7>cma: dma_alloc_from_contiguous(): returned d3078bc0
<6>hub 4-0:1.0: USB hub found
<6>hub 4-0:1.0: 1 port detected
<6>Initializing USB Mass Storage driver...
<6>usbcore: registered new interface driver usb-storage
<6>USB Mass Storage support registered.
<6>usbcore: registered new interface driver ums-alauda
<6>usbcore: registered new interface driver ums-cypress
<6>usbcore: registered new interface driver ums-datafab
<6>usbcore: registered new interface driver ums_eneub6250
<6>usbcore: registered new interface driver ums-freecom
<6>usbcore: registered new interface driver ums-isd200
<6>usbcore: registered new interface driver ums-jumpshot
<6>usbcore: registered new interface driver ums-karma
<6>usbcore: registered new interface driver ums-onetouch
<6>usbcore: registered new interface driver ums-realtek
<6>usbcore: registered new interface driver ums-sddr09
<6>usbcore: registered new interface driver ums-sddr55
<6>usbcore: registered new interface driver ums-usbat
<6>usbcore: registered new interface driver usbserial
<6>usbcore: registered new interface driver usbserial_generic
<6>USB Serial support registered for generic
<6>usbserial: USB Serial Driver core
<6>mousedev: PS/2 mouse device common for all mice
<6>sunxi-rtc sunxi-rtc: rtc core: registered rtc as rtc0
<6>i2c /dev entries driver
config i2c gpio with gpio_config api 
<6>axp_mfd 0-0034: AXP (CHIP ID: 0x41) detected
<6>axp_mfd 0-0034: AXP internal temperature monitoring enabled
[AXP]axp driver uning configuration failed(342)
[AXP]power_start = 0
<6>I2C: i2c-0: AW16XX I2C adapter
<6>lirc_dev: IR Remote Control driver registered, major 249 
<6>IR NEC protocol handler initialized
<6>IR RC5(x) protocol handler initialized
<6>IR RC6 protocol handler initialized
<6>IR JVC protocol handler initialized
<6>IR Sony protocol handler initialized
<6>IR RC5 (streamzap) protocol handler initialized
<6>IR SANYO protocol handler initialized
<6>IR MCE Keyboard/mouse protocol handler initialized
<6>IR LIRC bridge handler initialized
[ace_drv] start!!!
[ace_drv] init end!!!
[pa_drv] start!!!
[pa_drv] init end!!!
<6>axp20_ldo1: 1300 mV 
<6>axp20_ldo2: 1800 <--> 3300 mV at 3000 mV 
<6>axp20_ldo3: 700 <--> 3500 mV at 2800 mV 
<6>axp20_ldo4: 1250 <--> 3300 mV at 2800 mV 
<6>axp20_buck2: 700 <--> 2275 mV at 1450 mV 
<6>axp20_buck3: 700 <--> 3500 mV at 1300 mV 
<6>axp20_ldoio0: 1800 <--> 3300 mV at 2800 mV 
<6>input: axp20-supplyer as /devices/platform/sunxi-i2c.0/i2c-0/0-0034/axp20-supplyer.28/input/input0
<4>axp20_ldo2: Failed to create debugfs directory
<6>md: linear personality registered for level -1
<6>md: raid0 personality registered for level 0
<6>md: raid1 personality registered for level 1
<6>md: raid10 personality registered for level 10
<6>md: raid6 personality registered for level 6
<6>md: raid5 personality registered for level 5
<6>md: raid4 personality registered for level 4
<6>md: multipath personality registered for level -4
<6>md: faulty personality registered for level -5
<6>device-mapper: uevent: version 1.0.3
<6>device-mapper: ioctl: 4.22.0-ioctl (2011-10-19) initialised: [email protected]
<6>device-mapper: multipath: version 1.3.0 loaded
<6>device-mapper: multipath round-robin: version 1.0.0 loaded
<6>device-mapper: multipath queue-length: version 0.1.0 loaded
<6>device-mapper: multipath service-time: version 0.2.0 loaded
<6>device-mapper: dm-log-userspace: version 1.1.0 loaded
<6>cpuidle: using governor ladder
<6>cpuidle: using governor menu
<6>usbcore: registered new interface driver ushc
<6>[mmc-msg] sw_mci_init
<6>[mmc-msg] get mmc2's IO(det) failed
<6>[mmc-msg] Not using mmc2 due to script.bin parse failure
<6>[mmc-msg] MMC host used card: 0xb, boot card: 0x0, io_card 8
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 1, align 0)
<7>cma: dma_alloc_from_contiguous(): returned d3078be0
<6>[mmc-msg] sdc0 set round clock 400000, src 24000000
<6>[mmc-msg] sdc0 set ios: clk 0Hz bm OD pm OFF vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<6>[mmc-msg] sdc0 Probe: base:0xf00de000 irq:64 sg_cpu:c3c5f000(43c5f000) ret 0.
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 1, align 0)
<7>cma: dma_alloc_from_contiguous(): returned d3078c00
<6>[mmc-msg] sdc1 set round clock 400000, src 24000000
<6>[mmc-msg] sdc1 set ios: clk 0Hz bm OD pm OFF vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<6>[mmc-msg] mmc 0 detect change, present 1
<3>[mmc-err] update clock timeout, fatal error
<6>[mmc-msg] sdc1 Probe: base:0xf00e0000 irq:65 sg_cpu:c3c60000(43c60000) ret 0.
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 1, align 0)
<7>cma: dma_alloc_from_contiguous(): returned d3078c20
<6>[mmc-msg] sdc3 set round clock 400000, src 24000000
<6>[mmc-msg] sdc3 set ios: clk 0Hz bm OD pm OFF vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<6>[mmc-msg] sdc3 Probe: base:0xf00e2000 irq:67 sg_cpu:c3c61000(43c61000) ret 0.
[mmc_pm]: failed to fetch sdio card configuration!
<6>sunxi_leds driver init
<7>Registered led device: green:ph20:led1
<7>Registered led device: blue:ph21:led2
<6>ledtrig-cpu: registered to indicate activity on CPUs
<6>usbcore: registered new interface driver usbhid
<6>usbhid: USB HID core driver
<6>logger: created 256K log 'log_main'
<6>logger: created 256K log 'log_events'
<6>logger: created 256K log 'log_radio'
<6>logger: created 256K log 'log_system'
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 8, align 3)
<7>cma: dma_alloc_from_contiguous(): returned d3078d00
<6>IPv4 over IPv4 tunneling driver
<6>TCP: bic registered
<6>TCP: cubic registered
<6>TCP: westwood registered
<6>TCP: highspeed registered
<6>TCP: hybla registered
<6>TCP: htcp registered
<6>TCP: vegas registered
<6>TCP: veno registered
<6>TCP: scalable registered
<6>TCP: lp registered
<6>TCP: yeah registered
<6>TCP: illinois registered
<6>Initializing XFRM netlink socket
<6>NET: Registered protocol family 10
<6>NET: Registered protocol family 17
<6>NET: Registered protocol family 15
[mmc_pm]: No sdio card, please check your config !!
<5>Registering the dns_resolver key type
<6>VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 4
<5>Registering SWP/SWPB emulation handler
<4>axp20_buck2: Failed to create debugfs directory
<6>[cpu_freq] INF:-------------------V-F Table-------------------
<6>[cpu_freq] INF:      voltage = 1500mv        frequency = 1056MHz
<6>[cpu_freq] INF:      voltage = 1450mv        frequency = 1008MHz
<6>[cpu_freq] INF:      voltage = 1350mv        frequency =  912MHz
<6>[cpu_freq] INF:      voltage = 1300mv        frequency =  864MHz
<6>[cpu_freq] INF:      voltage = 1100mv        frequency =  528MHz
<6>[cpu_freq] INF:      voltage = 1050mv        frequency =  312MHz
<6>[cpu_freq] INF:      voltage = 1050mv        frequency =  144MHz
<6>[cpu_freq] INF:      voltage = 1000mv        frequency =    0MHz
<6>[cpu_freq] INF:-----------------------------------------------
<3>[cpu_freq] ERR:cpu max or min frequency from sysconfig is more than range
<3>[cpu_freq] ERR:sunxi_cpufreq_initcall, use default cpu max/min frequency, max freq: 1008MHz, min freq: 60MHz
<6>registered taskstats version 1
<4>[DISP] Invalid mode string: 0, ignoring
<6>I2C: i2c-1: HDMI I2C adapter
<6>[mmc-msg] sdc0 set ios: clk 0Hz bm PP pm UP vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<6>[mmc-msg] sdc0 power on
<6>[mmc-msg] sdc0 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<6>[mmc-msg] sdc0 set round clock 400000, src 24000000
<3>[mmc-err] smc 0 err, cmd 52,  RTO
<3>[mmc-err] smc 0 err, cmd 52,  RTO
<6>[mmc-msg] sdc0 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<6>[mmc-msg] sdc0 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<3>[mmc-err] smc 0 err, cmd 5,  RTO
<3>[mmc-err] smc 0 err, cmd 5,  RTO
<3>[mmc-err] smc 0 err, cmd 5,  RTO
<3>[mmc-err] smc 0 err, cmd 5,  RTO
<6>[mmc-msg] sdc0 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<6>[mmc-msg] sdc0 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<6>[mmc-msg] sdc0 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<6>[mmc-msg] sdc0 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing SD-HS(SDR25) dt B
<6>[mmc-msg] sdc0 set ios: clk 50000000Hz bm PP pm ON vdd 3.3V width 1 timing SD-HS(SDR25) dt B
<6>[mmc-msg] sdc0 set round clock 42857143, src 600000000
<6>[mmc-msg] sdc0 set ios: clk 50000000Hz bm PP pm ON vdd 3.3V width 4 timing SD-HS(SDR25) dt B
<6>mmc0: new high speed SDHC card at address b368
<6>mmcblk0: mmc0:b368 NCard 3.70 GiB 
<6> mmcblk0: p1 p2
<4>Timeout waiting for EDID info
<6>disp clks: lcd 74250000 pre_scale 1 hdmi 74250000 pll 297000000 2x 0
<6>Console: switching to colour frame buffer device 160x45
<4>axp20_buck3: incomplete constraints, leaving on
<4>axp20_buck2: incomplete constraints, leaving on
<4>axp20_ldo4: incomplete constraints, leaving on
<4>axp20_ldo3: incomplete constraints, leaving on
<4>axp20_ldo2: incomplete constraints, leaving on
<4>axp20_ldo1: incomplete constraints, leaving on
<6>sunxi-rtc sunxi-rtc: setting system clock to 2010-01-05 03:06:39 UTC (1262660799)
<6>ALSA device list:
<6>  #0: sunxi-CODEC  Audio Codec
<6>md: Waiting for all devices to be available before autodetect
<6>md: If you don't use raid, use raid=noautodetect
<6>md: Autodetecting RAID arrays.
<6>md: Scanned 0 and added 0 devices.
<6>md: autorun ...
<6>md: ... autorun DONE.
<3>EXT3-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (240)
<3>EXT2-fs (mmcblk0p2): error: couldn't mount because of unsupported optional features (244)
<6>EXT4-fs (mmcblk0p2): recovery complete
<6>EXT4-fs (mmcblk0p2): mounted filesystem with ordered data mode. Opts: (null)
<6>VFS: Mounted root (ext4 filesystem) on device 179:2.
<6>devtmpfs: mounted
<6>Freeing init memory: 240K
<30>udevd[178]: starting version 175
<6>EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
<6>EXT4-fs (mmcblk0p2): re-mounted. Opts: (null)
<6>sunxi_gpio driver init ver 1.3
<6>gpiochip_add: registered GPIOs 1 to 67 on device: A1X_GPIO
UMP<2>: Inserting UMP device driver. Compiled: May 25 2014, time: 09:11:38
UMP<2>: Using OS memory backend, allocation limit: 134217728
UMP: UMP device driver  loaded
Mali: permit MALI_IOC_MEM_MAP_EXT ioctl for framebuffer (paddr=0x51000000, size=33554432)
<6>mali: use config clk_div 1
<6>mali: clk_div 1
Mali: mali clock set completed, clock is  312000000 Hz
<6>mali: use config clk_div 1
<6>mali: clk_div 1
Mali: mali clock set completed, clock is  312000000 Hz
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 64, align 6)
<7>cma: dma_alloc_from_contiguous(): returned d3079000
Mali: Mali device driver loaded
<7>cma: dma_alloc_from_contiguous(cma ef0ab1c0, count 20480, align 8)
<7>cma: dma_alloc_from_contiguous(): returned d307a000
[cedar dev]: install start!!!
[cedar dev]: install end!!!
<6>bcmdhd: got gpio2, mapped to irqno170
dhd_customer_gpio_wlan_ctrl: call customer specific GPIO to turn on WL_REG_ON
<6>sdio wifi power state: on
<6>[mmc-msg] sdc3 set ios: clk 0Hz bm PP pm UP vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<6>[mmc-msg] sdc3 power on
<6>[mmc-msg] sdc3 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<6>[mmc-msg] sdc3 set round clock 400000, src 24000000
<3>[mmc-err] smc 3 err, cmd 52,  RTO
<3>[mmc-err] smc 3 err, cmd 52,  RTO
<6>[mmc-msg] sdc3 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<6>[mmc-msg] sdc3 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<3>[mmc-err] smc 3 err, cmd 8,  RTO
<6>[mmc-msg] sdc3 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing LEGACY(SDR12) dt B
<4>mmc2: queuing unknown CIS tuple 0x80 (2 bytes)
<4>mmc2: queuing unknown CIS tuple 0x80 (3 bytes)
<4>mmc2: queuing unknown CIS tuple 0x80 (3 bytes)
<4>mmc2: queuing unknown CIS tuple 0x80 (7 bytes)
<6>[mmc-msg] sdc3 set ios: clk 400000Hz bm PP pm ON vdd 3.3V width 1 timing SD-HS(SDR25) dt B
<6>[mmc-msg] sdc3 set ios: clk 50000000Hz bm PP pm ON vdd 3.3V width 1 timing SD-HS(SDR25) dt B
<6>[mmc-msg] sdc3 set round clock 42857143, src 600000000
<6>[mmc-msg] sdc3 set ios: clk 50000000Hz bm PP pm ON vdd 3.3V width 4 timing SD-HS(SDR25) dt B
<6>mmc2: new high speed SDIO card at address 0001
=========== WLAN placed in POWER ON ========
Linux Kernel SDIO/MMC Driver
<6>bcmdhd: irq=170, flags=0x00000414
dhdsdio_probe : no mutex held. set lock
F1 signature read @0x18000000=0x1591a962
bcmsdh_config_hw_oob_intr: Enter
DHD: dongle ram size is set to 245760(orig 245760)
dhd_attach, firmware path 
wl_create_event_handler thr:2ac created
wl_create_event_handler thr:2ac started
<3>bcm4330: exports duplicate symbol bcmsdh_probe (owned by bcmdhd)
<3>bcm4330: exports duplicate symbol bcmsdh_probe (owned by bcmdhd)
p2p0: P2P Interface Registered
dhd_attach thr:2af created
dhd_attach thr:2af started
dhd_attach thr:2b0 created
dhd_attach thr:2b0 started
dhd_attach thr:2b2 created
dhd_attach thr:2b2 started
Broadcom Dongle Host Driver: register interface [wlan0] MAC: 00:90:4c:11:22:33
dhdsdio_probe : the lock is released.

Dongle Host Driver, version 1.28.23.3 (r)
Compiled in drivers/net/wireless/bcmdhd on May 25 2014 at 09:19:43
dhd_customer_gpio_wlan_ctrl: call customer specific GPIO to insert WLAN RESET
<6>sdio wifi power state: off
=========== WLAN placed in RESET ========
@ferama
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ferama commented Apr 5, 2015

Same here with a cubieboard2 and hdmi a20 nano image.

Setting loglevel=4 I can see this info as last line:

INFO: rcu_preempt detected stalls on CPUs/tasks

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@ferama @nickaein