Is this a hardware problem "cpu0 supply cpu0 not found, using dummy regulator " ? How to solve it?

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  • Official comment

    Hello, we'll need the completed kernel for further check, thanks!

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    Hi Linda. This is the kernel log below and I attached the screenshot of the miner status. There is one hashboard (#3) missing. Please let me know how to resolve the issue. Thank you. 

     

    [ 0.000000] Booting Linux on physical CPU 0x0
    [ 0.000000] Initializing cgroup subsys cpu
    [ 0.000000] Linux version 3.8.13 (xxl@armdev01) (gcc version 4.7.4 20130626 (prerelease) (Linaro GCC 4.7-2013.07) ) #22 SMP Tue Dec 2 15:26:11 CST 2014
    [ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=50c5387d
    [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
    [ 0.000000] Machine: Generic AM33XX (Flattened Device Tree), model: TI AM335x BeagleBone
    [ 0.000000] Memory policy: ECC disabled, Data cache writeback
    [ 0.000000] On node 0 totalpages: 65280
    [ 0.000000] free_area_init_node: node 0, pgdat c06cb100, node_mem_map c0726000
    [ 0.000000] Normal zone: 512 pages used for memmap
    [ 0.000000] Normal zone: 0 pages reserved
    [ 0.000000] Normal zone: 64768 pages, LIFO batch:15
    [ 0.000000] AM335X ES1.0 (neon )
    [ 0.000000] PERCPU: Embedded 8 pages/cpu @c0933000 s9408 r8192 d15168 u32768
    [ 0.000000] pcpu-alloc: s9408 r8192 d15168 u32768 alloc=8*4096
    [ 0.000000] pcpu-alloc: [0] 0
    [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 64768
    [ 0.000000] Kernel command line: console=ttyO0,115200n8 init=/sbin/init
    [ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
    [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
    [ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
    [ 0.000000] __ex_table already sorted, skipping sort
    [ 0.000000] allocated 524288 bytes of page_cgroup
    [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups
    [ 0.000000] Memory: 255MB = 255MB total
    [ 0.000000] Memory: 240552k/240552k available, 21592k reserved, 0K highmem
    [ 0.000000] Virtual kernel memory layout:
    [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
    [ 0.000000] fixmap : 0xfff00000 - 0xfffe0000 ( 896 kB)
    [ 0.000000] vmalloc : 0xd0800000 - 0xff000000 ( 744 MB)
    [ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB)
    [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
    [ 0.000000] modules : 0xbf800000 - 0xbfe00000 ( 6 MB)
    [ 0.000000] .text : 0xc0008000 - 0xc0612cf0 (6188 kB)
    [ 0.000000] .init : 0xc0613000 - 0xc06554c0 ( 266 kB)
    [ 0.000000] .data : 0xc0656000 - 0xc06cc020 ( 473 kB)
    [ 0.000000] .bss : 0xc06cc020 - 0xc0725e3c ( 360 kB)
    [ 0.000000] Hierarchical RCU implementation.
    [ 0.000000] RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=1.
    [ 0.000000] NR_IRQS:16 nr_irqs:16 16
    [ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts
    [ 0.000000] Total of 128 interrupts on 1 active controller
    [ 0.000000] OMAP clockevent source: GPTIMER1 at 24000000 Hz
    [ 0.000000] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 178956ms
    [ 0.000000] OMAP clocksource: GPTIMER2 at 24000000 Hz
    [ 0.000000] Console: colour dummy device 80x30
    [ 0.000352] Calibrating delay loop... 545.07 BogoMIPS (lpj=531968)
    [ 0.015442] pid_max: default: 32768 minimum: 301
    [ 0.015672] Security Framework initialized
    [ 0.015767] Mount-cache hash table entries: 512
    [ 0.024588] Initializing cgroup subsys cpuacct
    [ 0.024621] Initializing cgroup subsys memory
    [ 0.024684] Initializing cgroup subsys blkio
    [ 0.024820] CPU: Testing write buffer coherency: ok
    [ 0.025395] CPU0: thread -1, cpu 0, socket -1, mpidr 0
    [ 0.025473] Setting up static identity map for 0x8038c820 - 0x8038c86c
    [ 0.026799] Brought up 1 CPUs
    [ 0.026822] SMP: Total of 1 processors activated (545.07 BogoMIPS).
    [ 0.028122] devtmpfs: initialized
    [ 0.092506] pinctrl core: initialized pinctrl subsystem
    [ 0.092722] rstctl core: initialized rstctl subsystem
    [ 0.093219] regulator-dummy: no parameters
    [ 0.093789] NET: Registered protocol family 16
    [ 0.094499] DMA: preallocated 256 KiB pool for atomic coherent allocations
    [ 0.104168] pinctrl-single 44e10800.pinmux: prop pinctrl-0 index 0 invalid phandle
    [ 0.104351] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568
    [ 0.105437] platform 49000000.edma: alias fck already exists
    [ 0.105471] platform 49000000.edma: alias fck already exists
    [ 0.105500] platform 49000000.edma: alias fck already exists
    [ 0.106647] gpiochip_add: registered GPIOs 0 to 31 on device: gpio
    [ 0.106827] OMAP GPIO hardware version 0.1
    [ 0.108225] gpiochip_add: registered GPIOs 32 to 63 on device: gpio
    [ 0.109546] gpiochip_add: registered GPIOs 64 to 95 on device: gpio
    [ 0.110855] gpiochip_add: registered GPIOs 96 to 127 on device: gpio
    [ 0.111491] of_get_named_gpio_flags exited with status 52
    [ 0.111522] gpio-rctrl rstctl.3: loaded OK
    [ 0.116625] omap-gpmc 50000000.gpmc: GPMC revision 6.0
    [ 0.119837] hw-breakpoint: debug architecture 0x4 unsupported.
    [ 0.122023] cpsw.0: No hwaddr in dt. Using f4:84:4c:0a:6f:ec from efuse
    [ 0.122057] cpsw.1: No hwaddr in dt. Using f4:84:4c:0a:6f:ee from efuse
    [ 0.137595] bio: create slab <bio-0> at 0
    [ 0.149711] edma-dma-engine edma-dma-engine.0: TI EDMA DMA engine driver
    [ 0.149951] of_get_named_gpio_flags: can't parse gpios property
    [ 0.150240] vmmcsd_fixed: 3300 mV
    [ 0.153353] SCSI subsystem initialized
    [ 0.153809] usbcore: registered new interface driver usbfs
    [ 0.153924] usbcore: registered new interface driver hub
    [ 0.154250] usbcore: registered new device driver usb
    [ 0.156349] omap_i2c 4819c000.i2c: bus 0 rev0.11 at 100 kHz
    [ 0.156383] omap_i2c 4819c000.i2c: unable to select pin group
    [ 0.156577] media: Linux media interface: v0.10
    [ 0.156673] Linux video capture interface: v2.00
    [ 0.156790] pps_core: LinuxPPS API ver. 1 registered
    [ 0.156806] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
    [ 0.157525] Advanced Linux Sound Architecture Driver Initialized.
    [ 0.158719] Switching to clocksource gp_timer
    [ 0.176688] NET: Registered protocol family 2
    [ 0.177683] TCP established hash table entries: 2048 (order: 2, 16384 bytes)
    [ 0.177772] TCP bind hash table entries: 2048 (order: 3, 40960 bytes)
    [ 0.177863] TCP: Hash tables configured (established 2048 bind 2048)
    [ 0.177955] TCP: reno registered
    [ 0.177982] UDP hash table entries: 256 (order: 1, 12288 bytes)
    [ 0.178028] UDP-Lite hash table entries: 256 (order: 1, 12288 bytes)
    [ 0.178519] NET: Registered protocol family 1
    [ 0.179112] RPC: Registered named UNIX socket transport module.
    [ 0.179133] RPC: Registered udp transport module.
    [ 0.179146] RPC: Registered tcp transport module.
    [ 0.179160] RPC: Registered tcp NFSv4.1 backchannel transport module.
    [ 0.179549] Trying to unpack rootfs image as initramfs...
    [ 1.714225] Freeing initrd memory: 10364K
    [ 1.714909] CPU PMU: probing PMU on CPU 0
    [ 1.714941] hw perfevents: enabled with ARMv7 Cortex-A8 PMU driver, 5 counters available
    [ 1.715561] omap2_mbox_probe: platform not supported
    [ 1.719309] VFS: Disk quotas dquot_6.5.2
    [ 1.719635] Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
    [ 1.720954] NFS: Registering the id_resolver key type
    [ 1.721070] Key type id_resolver registered
    [ 1.721087] Key type id_legacy registered
    [ 1.721153] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
    [ 1.721686] msgmni has been set to 490
    [ 1.724519] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 249)
    [ 1.724545] io scheduler noop registered
    [ 1.724562] io scheduler deadline registered
    [ 1.724617] io scheduler cfq registered (default)
    [ 1.728575] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
    [ 1.731015] omap_uart 44e09000.serial: did not get pins for uart0 error: -19
    [ 1.731432] 44e09000.serial: ttyO0 at MMIO 0x44e09000 (irq = 88) is a OMAP UART0
    [ 2.392281] console [ttyO0] enabled
    [ 2.396806] 48022000.serial: ttyO1 at MMIO 0x48022000 (irq = 89) is a OMAP UART1
    [ 2.405514] 48024000.serial: ttyO2 at MMIO 0x48024000 (irq = 90) is a OMAP UART2
    [ 2.414141] 481a8000.serial: ttyO4 at MMIO 0x481a8000 (irq = 61) is a OMAP UART4
    [ 2.422787] 481aa000.serial: ttyO5 at MMIO 0x481aa000 (irq = 62) is a OMAP UART5
    [ 2.431761] [drm] Initialized drm 1.1.0 20060810
    [ 2.450417] brd: module loaded
    [ 2.460692] loop: module loaded
    [ 2.464871] bone-capemgr bone_capemgr.8: Failed to find baseboard eeprom node
    [ 2.474828] nand_get_flash_type: 2c,f1 against 2c,f1
    [ 2.480359] ONFI param page 0 valid
    [ 2.484034] ONFI flash detected
    [ 2.487353] NAND device: Manufacturer ID: 0x2c, Chip ID: 0xf1 (Micron MT29F1G08ABAEAWP), 128MiB, page size: 2048, OOB size: 64
    [ 2.499267] omap2-nand: detected x8 NAND flash
    [ 2.503934] nand: using OMAP_ECC_BCH8_CODE_HW ECC scheme
    [ 2.509519] omap2-nand: using custom ecc layout
    [ 2.514364] 10 ofpart partitions found on MTD device omap2-nand.0
    [ 2.520759] Creating 10 MTD partitions on "omap2-nand.0":
    [ 2.526436] 0x000000000000-0x000000020000 : "spl"
    [ 2.533246] 0x000000020000-0x000000040000 : "spl_backup1"
    [ 2.540720] 0x000000040000-0x000000060000 : "spl_backup2"
    [ 2.548136] 0x000000060000-0x000000080000 : "spl_backup3"
    [ 2.555557] 0x000000080000-0x000000240000 : "u-boot"
    [ 2.563804] 0x000000240000-0x000000260000 : "bootenv"
    [ 2.570687] 0x000000260000-0x000000280000 : "fdt"
    [ 2.577329] 0x000000280000-0x000000780000 : "kernel"
    [ 2.588316] 0x000000800000-0x000001c00000 : "root"
    [ 2.611761] 0x000001c00000-0x000003000000 : "config"
    [ 2.635547] OneNAND driver initializing
    [ 2.641278] usbcore: registered new interface driver asix
    [ 2.647123] usbcore: registered new interface driver cdc_ether
    [ 2.653364] usbcore: registered new interface driver smsc95xx
    [ 2.659482] usbcore: registered new interface driver net1080
    [ 2.665509] usbcore: registered new interface driver cdc_subset
    [ 2.671804] usbcore: registered new interface driver zaurus
    [ 2.677813] usbcore: registered new interface driver cdc_ncm
    [ 2.684575] usbcore: registered new interface driver cdc_acm
    [ 2.690530] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
    [ 2.698909] Initializing USB Mass Storage driver...
    [ 2.704148] usbcore: registered new interface driver usb-storage
    [ 2.710449] USB Mass Storage support registered.
    [ 2.715521] musb-hdrc: version 6.0, ?dma?, otg (peripheral+host)
    [ 2.722227] musb-hdrc musb-hdrc.0.auto: pdev->id = 0
    [ 2.727468] musb-hdrc musb-hdrc.0.auto: drivers/usb/musb/musb_dsps.c:468 dsps_musb_init: OK
    [ 2.736239] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
    [ 2.736260] musb-hdrc: MHDRC RTL version 2.0
    [ 2.736275] musb-hdrc: setup fifo_mode 4
    [ 2.736304] musb-hdrc: 28/31 max ep, 16384/16384 memory
    [ 2.736451] musb-hdrc musb-hdrc.0.auto: *** mode=3
    [ 2.741496] musb-hdrc musb-hdrc.0.auto: *** power=250
    [ 2.747530] musb-hdrc musb-hdrc.1.auto: pdev->id = 1
    [ 2.752783] musb-hdrc musb-hdrc.1.auto: drivers/usb/musb/musb_dsps.c:468 dsps_musb_init: OK
    [ 2.761554] musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, bulk combine, bulk split, HB-ISO Rx, HB-ISO Tx, SoftConn)
    [ 2.761574] musb-hdrc: MHDRC RTL version 2.0
    [ 2.761588] musb-hdrc: setup fifo_mode 4
    [ 2.761611] musb-hdrc: 28/31 max ep, 16384/16384 memory
    [ 2.761751] musb-hdrc musb-hdrc.1.auto: *** mode=1
    [ 2.766793] musb-hdrc musb-hdrc.1.auto: *** power=250
    [ 2.772105] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
    [ 2.778495] musb-hdrc musb-hdrc.1.auto: new USB bus registered, assigned bus number 1
    [ 2.786737] musb-hdrc musb-hdrc.1.auto: supports USB remote wakeup
    [ 2.786841] usb usb1: default language 0x0409
    [ 2.786899] usb usb1: udev 1, busnum 1, minor = 0
    [ 2.786924] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
    [ 2.794051] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
    [ 2.801624] usb usb1: Product: MUSB HDRC host driver
    [ 2.806840] usb usb1: Manufacturer: Linux 3.8.13 musb-hcd
    [ 2.812509] usb usb1: SerialNumber: musb-hdrc.1.auto
    [ 2.818464] usb usb1: usb_probe_device
    [ 2.818491] usb usb1: configuration #1 chosen from 1 choice
    [ 2.818557] usb usb1: adding 1-0:1.0 (config #1, interface 0)
    [ 2.818756] hub 1-0:1.0: usb_probe_interface
    [ 2.818779] hub 1-0:1.0: usb_probe_interface - got id
    [ 2.818805] hub 1-0:1.0: USB hub found
    [ 2.822810] hub 1-0:1.0: 1 port detected
    [ 2.826948] hub 1-0:1.0: standalone hub
    [ 2.826968] hub 1-0:1.0: individual port power switching
    [ 2.826987] hub 1-0:1.0: no over-current protection
    [ 2.827005] hub 1-0:1.0: Single TT
    [ 2.827025] hub 1-0:1.0: TT requires at most 8 FS bit times (666 ns)
    [ 2.827045] hub 1-0:1.0: power on to power good time: 10ms
    [ 2.827102] hub 1-0:1.0: local power source is good
    [ 2.827215] hub 1-0:1.0: enabling power on all ports
    [ 2.828252] mousedev: PS/2 mouse device common for all mice
    [ 2.836179] omap_rtc 44e3e000.rtc: rtc core: registered 44e3e000.rtc as rtc0
    [ 2.843949] i2c /dev entries driver
    [ 2.849005] pps_ldisc: PPS line discipline registered
    [ 2.854480] Driver for 1-wire Dallas network protocol.
    [ 2.861738] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
    [ 2.869313] cpuidle: using governor ladder
    [ 2.873667] cpuidle: using governor menu
    [ 2.878231] of_get_named_gpio_flags exited with status 6
    [ 2.878251] of_get_named_gpio_flags: can't parse gpios property
    [ 2.878268] of_get_named_gpio_flags: can't parse gpios property
    [ 2.878303] omap_hsmmc mmc.4: of_parse_phandle_with_args of 'reset' failed
    [ 2.885541] omap_hsmmc mmc.4: Failed to get rstctl; not using any
    [ 2.892352] edma-dma-engine edma-dma-engine.0: allocated channel for 0:25
    [ 2.899580] edma-dma-engine edma-dma-engine.0: allocated channel for 0:24
    [ 2.906962] mmc.4 supply vmmc_aux not found, using dummy regulator
    [ 2.913901] omap_hsmmc mmc.4: pins are not configured from the driver
    [ 2.928461] hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0000
    [ 2.948482] of_get_named_gpio_flags exited with status -517
    [ 2.948550] platform gpio-leds.7: Driver leds-gpio requests probe deferral
    [ 2.956327] ledtrig-cpu: registered to indicate activity on CPUs
    [ 2.963105] edma-dma-engine edma-dma-engine.0: allocated channel for 0:36
    [ 2.970298] omap-sham 53100000.sham: hw accel on OMAP rev 4.3
    [ 2.978394] omap-aes 53500000.aes: OMAP AES hw accel rev: 3.2
    [ 2.984740] edma-dma-engine edma-dma-engine.0: allocated channel for 0:5
    [ 2.991925] edma-dma-engine edma-dma-engine.0: allocated channel for 0:6
    [ 3.004365] usbcore: registered new interface driver usbhid
    [ 3.010290] usbhid: USB HID core driver
    [ 3.017310] TCP: cubic registered
    [ 3.020851] Initializing XFRM netlink socket
    [ 3.025416] NET: Registered protocol family 17
    [ 3.030190] NET: Registered protocol family 15
    [ 3.035049] Key type dns_resolver registered
    [ 3.039726] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
    [ 3.047830] ThumbEE CPU extension supported.
    [ 3.052341] Registering SWP/SWPB emulation handler
    [ 3.058341] registered taskstats version 1
    [ 3.064943] of_get_named_gpio_flags exited with status -517
    [ 3.065017] platform gpio-leds.7: Driver leds-gpio requests probe deferral
    [ 3.121772] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6
    [ 3.128184] davinci_mdio 4a101000.mdio: detected phy mask fffffffe
    [ 3.142654] libphy: 4a101000.mdio: probed
    [ 3.146971] davinci_mdio 4a101000.mdio: phy[0]: device 4a101000.mdio:00, driver SMSC LAN8710/LAN8720
    [ 3.157214] Detected MACID = f4:84:4c:0a:6f:ec
    [ 3.161894] cpsw 4a100000.ethernet: NAPI disabled
    [ 3.167289] of_get_named_gpio_flags exited with status -517
    [ 3.167359] platform gpio-leds.7: Driver leds-gpio requests probe deferral
    [ 3.176076] omap_rtc 44e3e000.rtc: setting system clock to 2000-01-01 00:00:00 UTC (946684800)
    [ 3.185359] cpu0 supply cpu0 not found, using dummy regulator
    [ 3.191846] cpufreq_cpu0: failed to scale voltage up: -22
    [ 3.197666] cpufreq_cpu0: failed to scale voltage up: -22
    [ 3.210434] ALSA device list:
    [ 3.213670] No soundcards found.
    [ 3.218247] Freeing init memory: 264K
    [ 3.222301] Failed to execute /init
    [ 4.210446] jffs2: notice: (122) jffs2_build_xattr_subsystem: complete building xattr subsystem, 0 of xdatum (0 unchecked, 0 orphan) and 0 of xref (0 dead, 0 orphan) found.
    [ 5.559898] net eth0: initializing cpsw version 1.12 (0)
    [ 5.568853] net eth0: phy found : id is : 0x7c0f1
    [ 5.574295] libphy: PHY 4a101000.mdio:01 not found
    [ 5.579491] net eth0: phy 4a101000.mdio:01 not found on slave 1
    [ 8.645695] libphy: 4a101000.mdio:00 - Link is Up - 100/Full

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    Hello, this kernel log is still uncompleted.

    We suggest to refer to following link to check how to copy the log and contact us by support-cs@bitmain.com for better communication.

    0
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    Hi. I sent email. Kindly check. Thank you.

    0
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    Hello, we'll have CS team to support on this problem through email, thanks!

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