Z15 no fan 2 sometimes??



  • Official comment

    Hello, could you provide the completed kernel log for further check?

    You could refer to following link to check about  how to copy it:


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    Booting Linux on physical CPU 0x0
    Linux version 4.6.0-xilinx-g0387054-dirty (lzq@ubuntu) (gcc version 4.8.3 20140320 (prerelease) (Sourcery CodeBench Lite 2014.05-23) ) #45 SMP PREEMPT Wed Jun 19 15:03:51 CST 2019
    CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=18c5387d
    CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
    Machine model: Xilinx Zynq
    cma: Reserved 16 MiB at 0x0e000000
    Memory policy: Data cache writealloc
    On node 0 totalpages: 61440
    free_area_init_node: node 0, pgdat c0b3c280, node_mem_map cde10000
    Normal zone: 480 pages used for memmap
    Normal zone: 0 pages reserved
    Normal zone: 61440 pages, LIFO batch:15
    percpu: Embedded 12 pages/cpu @cddf1000 s20032 r8192 d20928 u49152
    pcpu-alloc: s20032 r8192 d20928 u49152 alloc=12*4096
    pcpu-alloc: [0] 0 [0] 1
    Built 1 zonelists in Zone order, mobility grouping on. Total pages: 60960
    Kernel command line: mem=240M console=ttyPS0,115200 ramdisk_size=33554432 root=/dev/ram rw earlyprintk
    PID hash table entries: 1024 (order: 0, 4096 bytes)
    Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
    Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
    Memory: 203844K/245760K available (6348K kernel code, 243K rwdata, 1928K rodata, 1024K init, 233K bss, 25532K reserved, 16384K cma-reserved, 0K highmem)
    Virtual kernel memory layout:
    vector : 0xffff0000 - 0xffff1000 ( 4 kB)
    fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
    vmalloc : 0xcf800000 - 0xff800000 ( 768 MB)
    lowmem : 0xc0000000 - 0xcf000000 ( 240 MB)
    pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
    modules : 0xbf000000 - 0xbfe00000 ( 14 MB)
    .text : 0xc0008000 - 0xc0915150 (9269 kB)
    .init : 0xc0a00000 - 0xc0b00000 (1024 kB)
    .data : 0xc0b00000 - 0xc0b3cfe0 ( 244 kB)
    .bss : 0xc0b3cfe0 - 0xc0b77428 ( 234 kB)
    Preemptible hierarchical RCU implementation.
    Build-time adjustment of leaf fanout to 32.
    RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=2.
    RCU: Adjusting geometry for rcu_fanout_leaf=32, nr_cpu_ids=2
    NR_IRQS:16 nr_irqs:16 16
    efuse mapped to cf800000
    ps7-slcr mapped to cf802000
    L2C: platform modifies aux control register: 0x72360000 -> 0x72760000
    L2C: DT/platform modifies aux control register: 0x72360000 -> 0x72760000
    L2C-310 erratum 769419 enabled
    L2C-310 enabling early BRESP for Cortex-A9
    L2C-310 full line of zeros enabled for Cortex-A9
    L2C-310 ID prefetch enabled, offset 1 lines
    L2C-310 dynamic clock gating enabled, standby mode enabled
    L2C-310 cache controller enabled, 8 ways, 512 kB
    L2C-310: CACHE_ID 0x410000c8, AUX_CTRL 0x76760001
    zynq_clock_init: clkc starts at cf802100
    Zynq clock init
    sched_clock: 64 bits at 333MHz, resolution 3ns, wraps every 4398046511103ns
    clocksource: arm_global_timer: mask: 0xffffffffffffffff max_cycles: 0x4ce07af025, max_idle_ns: 440795209040 ns
    Switching to timer-based delay loop, resolution 3ns
    clocksource: ttc_clocksource: mask: 0xffff max_cycles: 0xffff, max_idle_ns: 537538477 ns
    ps7-ttc #0 at cf80a000, irq=18
    Console: colour dummy device 80x30
    Calibrating delay loop (skipped), value calculated using timer frequency.. 666.66 BogoMIPS (lpj=3333333)
    pid_max: default: 32768 minimum: 301
    Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
    Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
    CPU: Testing write buffer coherency: ok
    CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
    Setting up static identity map for 0x100000 - 0x100058
    CPU1: failed to boot: -1
    Brought up 1 CPUs
    SMP: Total of 1 processors activated (666.66 BogoMIPS).
    CPU: All CPU(s) started in SVC mode.
    devtmpfs: initialized
    VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
    clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
    pinctrl core: initialized pinctrl subsystem
    NET: Registered protocol family 16
    DMA: preallocated 256 KiB pool for atomic coherent allocations
    cpuidle: using governor menu
    hw-breakpoint: found 5 (+1 reserved) breakpoint and 1 watchpoint registers.
    hw-breakpoint: maximum watchpoint size is 4 bytes.
    zynq-ocm f800c000.ps7-ocmc: ZYNQ OCM pool: 256 KiB @ 0xcf880000
    vgaarb: loaded
    SCSI subsystem initialized
    usbcore: registered new interface driver usbfs
    usbcore: registered new interface driver hub
    usbcore: registered new device driver usb
    media: Linux media interface: v0.10
    Linux video capture interface: v2.00
    pps_core: LinuxPPS API ver. 1 registered
    pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
    PTP clock support registered
    EDAC MC: Ver: 3.0.0
    Advanced Linux Sound Architecture Driver Initialized.
    clocksource: Switched to clocksource arm_global_timer
    NET: Registered protocol family 2
    TCP established hash table entries: 2048 (order: 1, 8192 bytes)
    TCP bind hash table entries: 2048 (order: 2, 16384 bytes)
    TCP: Hash tables configured (established 2048 bind 2048)
    UDP hash table entries: 256 (order: 1, 8192 bytes)
    UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
    NET: Registered protocol family 1
    RPC: Registered named UNIX socket transport module.
    RPC: Registered udp transport module.
    RPC: Registered tcp transport module.
    RPC: Registered tcp NFSv4.1 backchannel transport module.
    PCI: CLS 0 bytes, default 64
    Trying to unpack rootfs image as initramfs...
    rootfs image is not initramfs (no cpio magic); looks like an initrd
    Freeing initrd memory: 12468K (cced5000 - cdb02000)
    hw perfevents: enabled with armv7_cortex_a9 PMU driver, 7 counters available
    futex hash table entries: 512 (order: 3, 32768 bytes)
    workingset: timestamp_bits=28 max_order=16 bucket_order=0
    jffs2: version 2.2. (NAND) (SUMMARY) ? 2001-2006 Red Hat, Inc.
    io scheduler noop registered
    io scheduler deadline registered
    io scheduler cfq registered (default)
    dma-pl330 f8003000.ps7-dma: Loaded driver for PL330 DMAC-241330
    dma-pl330 f8003000.ps7-dma: DBUFF-128x8bytes Num_Chans-8 Num_Peri-4 Num_Events-16
    e0000000.serial: ttyPS0 at MMIO 0xe0000000 (irq = 158, base_baud = 6249999) is a xuartps
    console [ttyPS0] enabled
    xdevcfg f8007000.ps7-dev-cfg: ioremap 0xf8007000 to cf86e000
    [drm] Initialized drm 1.1.0 20060810
    brd: module loaded
    loop: module loaded
    CAN device driver interface
    gpiod_set_value: invalid GPIO
    libphy: MACB_mii_bus: probed
    macb e000b000.ethernet eth0: Cadence GEM rev 0x00020118 at 0xe000b000 irq 31 (00:0a:35:00:00:00)
    Generic PHY e000b000.etherne:00: attached PHY driver [Generic PHY] (mii_bus:phy_addr=e000b000.etherne:00, irq=-1)
    e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
    e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
    ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
    ehci-pci: EHCI PCI platform driver
    usbcore: registered new interface driver usb-storage
    mousedev: PS/2 mouse device common for all mice
    i2c /dev entries driver
    Xilinx Zynq CpuIdle Driver started
    sdhci: Secure Digital Host Controller Interface driver
    sdhci: Copyright(c) Pierre Ossman
    sdhci-pltfm: SDHCI platform and OF driver helper
    mmc0: SDHCI controller on e0100000.ps7-sdio [e0100000.ps7-sdio] using ADMA
    ledtrig-cpu: registered to indicate activity on CPUs
    usbcore: registered new interface driver usbhid
    usbhid: USB HID core driver
    nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xda
    nand: Micron MT29F2G08ABAEAWP
    nand: 256 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
    nand: NAND_ECC_HW
    mtd->writesize = 2048
    ecc->strength = 1
    ecc->size = 2048
    mtd->writesize = 2048
    chip->ecc_strength_ds = 4
    chip->ecc_step_ds = 512
    nand: WARNING: pl35x-nand: the ECC used on your system is too weak compared to the one required by the NAND chip
    Bad block table found at page 131008, version 0x01
    Bad block table found at page 130944, version 0x01
    5 ofpart partitions found on MTD device pl35x-nand
    Creating 5 MTD partitions on "pl35x-nand":
    0x000000000000-0x000002800000 : "BOOT.bin-env-dts-kernel"
    0x000002800000-0x000004800000 : "ramfs"
    0x000004800000-0x000005000000 : "configs"
    0x000005000000-0x000006000000 : "reserve"
    0x000006000000-0x000008000000 : "ramfs-bak"
    nf_conntrack version 0.5.0 (3635 buckets, 14540 max)
    ip_tables: (C) 2000-2006 Netfilter Core Team
    NET: Registered protocol family 10
    ip6_tables: (C) 2000-2006 Netfilter Core Team
    sit: IPv6 over IPv4 tunneling driver
    NET: Registered protocol family 17
    can: controller area network core (rev 20120528 abi 9)
    NET: Registered protocol family 29
    can: raw protocol (rev 20120528)
    can: broadcast manager protocol (rev 20120528 t)
    can: netlink gateway (rev 20130117) max_hops=1
    zynq_pm_ioremap: no compatible node found for 'xlnx,zynq-ddrc-a05'
    zynq_pm_late_init: Unable to map DDRC IO memory.
    Registering SWP/SWPB emulation handler
    hctosys: unable to open rtc device (rtc0)
    ALSA device list:
    No soundcards found.
    RAMDISK: gzip image found at block 0
    EXT4-fs (ram0): couldn't mount as ext3 due to feature incompatibilities
    EXT4-fs (ram0): mounted filesystem without journal. Opts: (null)
    VFS: Mounted root (ext4 filesystem) on device 1:0.
    devtmpfs: mounted
    Freeing unused kernel memory: 1024K (c0a00000 - c0b00000)
    EXT4-fs (ram0): re-mounted. Opts: block_validity,delalloc,barrier,user_xattr
    random: dd urandom read with 0 bits of entropy available
    IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
    IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
    macb e000b000.ethernet eth0: unable to generate target frequency: 25000000 Hz
    macb e000b000.ethernet eth0: link up (100/Full)
    IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
    In axi fpga driver!
    request_mem_region OK!
    AXI fpga dev virtual address is 0xcf9cc000
    *base_vir_addr = 0xb031
    In fpga mem driver!
    request_mem_region OK!
    fpga mem virtual address is 0xd2000000
    Oct 27 23:24:01 (none) local0.err cgminer: Miner compile time: Sat Jun 27 22:13:08 CST 2020 type: Antminer Z15
    Oct 27 23:24:01 (none) local0.warn cgminer: Started cgminer 4.9.0
    Oct 27 23:24:01 (none) local0.notice cgminer[969]: z15 init...
    Oct 27 23:24:01 (none) local0.notice cgminer[969]: httpListenThread start ret=0
    Oct 27 23:24:02 (none) local0.notice cgminer[969]: FPGA version: B031
    Oct 27 23:24:03 (none) local0.notice cgminer[969]: No 2 Fan find, check again
    Oct 27 23:24:04 (none) local0.notice cgminer[969]: No 2 Fan find, check again
    Oct 27 23:24:05 (none) local0.notice cgminer[969]: No 2 Fan find, check again
    Oct 27 23:24:07 (none) local0.notice cgminer[969]: fan-num 2 fan-map 12
    Oct 27 23:24:07 (none) local0.notice cgminer[969]: check_chain
    Oct 27 23:24:07 (none) local0.notice cgminer[969]: Chain 0 existed!
    Oct 27 23:24:07 (none) local0.notice cgminer[969]: Chain 1 existed!
    Oct 27 23:24:07 (none) local0.notice cgminer[969]: Chain 2 existed!
    Oct 27 23:24:07 (none) local0.notice cgminer[969]: chain0 every_chain_reset_PIC16F1704_pic_new
    Oct 27 23:24:08 (none) local0.notice cgminer[969]: reset_PIC16F1704_pic_new ok
    Oct 27 23:24:08 (none) local0.notice cgminer[969]: chain1 every_chain_reset_PIC16F1704_pic_new
    Oct 27 23:24:09 (none) local0.notice cgminer[969]: reset_PIC16F1704_pic_new ok
    Oct 27 23:24:09 (none) local0.notice cgminer[969]: chain2 every_chain_reset_PIC16F1704_pic_new

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    Hello, the kernel log is still incomplete.

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