Antminer z15 chip problem 2 minutes no hash x

My problem is that a z15 antminer starts up fine and after 2 minutes there is a central chip on a board that does not hash and is set to x, it starts up fine until 2 minutes later. I have cleaned it, changed the thermal paste, I have tried several sources from APW3 and APW7 models. Even with just one source for that board. And I get the same result. It was working fine and suddenly this. I'll post a couple of photos and the kernel. To see if you can guide me to repair it. Thanks in advance.

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: 203836K/245760K available (6348K kernel code, 243K rwdata, 1928K rodata, 1024K init, 233K bss, 25540K 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

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: 12476K (cced3000 - 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

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

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

nand: NAND_ECC_HW_SYNDROME

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

nand_read_bbt: bad block at 0x000000140000

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)

NET: Registered protocol family 10

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

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

random: nonblocking pool is initialized

Nov 2 17:58:39 (none) local0.err cgminer: Miner compile time: Fri Jul 3 11:39:06 CST 2020 type: Antminer Z15

Nov 2 17:58:39 (none) local0.warn cgminer: Started cgminer 4.9.0

Nov 2 17:58:39 (none) local0.notice cgminer[958]: z15 init...

Nov 2 17:58:39 (none) local0.notice cgminer[958]: httpListenThread start ret=0

Nov 2 17:58:41 (none) local0.notice cgminer[958]: FPGA version: B031

Nov 2 17:58:41 (none) local0.notice cgminer[958]: No 2 Fan find, check again

Nov 2 17:58:42 (none) local0.notice cgminer[958]: No 2 Fan find, check again

Nov 2 17:58:44 (none) local0.notice cgminer[958]: No 2 Fan find, check again

Nov 2 17:58:45 (none) local0.notice cgminer[958]: fan-num 2 fan-map 12

Nov 2 17:58:45 (none) local0.notice cgminer[958]: check_chain

Nov 2 17:58:45 (none) local0.notice cgminer[958]: Chain 0 existed!

Nov 2 17:58:45 (none) local0.notice cgminer[958]: Chain 1 existed!

Nov 2 17:58:45 (none) local0.notice cgminer[958]: Chain 2 existed!

Nov 2 17:58:45 (none) local0.notice cgminer[958]: chain0 every_chain_reset_PIC16F1704_pic_new

Nov 2 17:58:46 (none) local0.notice cgminer[958]: reset_PIC16F1704_pic_new ok

Nov 2 17:58:46 (none) local0.notice cgminer[958]: chain1 every_chain_reset_PIC16F1704_pic_new

Nov 2 17:58:47 (none) local0.notice cgminer[958]: reset_PIC16F1704_pic_new ok

Nov 2 17:58:48 (none) local0.notice cgminer[958]: chain2 every_chain_reset_PIC16F1704_pic_new

Nov 2 17:58:49 (none) local0.notice cgminer[958]: reset_PIC16F1704_pic_new ok

Nov 2 17:58:49 (none) local0.notice cgminer[958]: chain0 every_chain_jump_from_loader_to_app_PIC16F1704_new

Nov 2 17:58:50 (none) local0.notice cgminer[958]: jump_from_loader_to_app_PIC16F1704_new ok

Nov 2 17:58:50 (none) local0.notice cgminer[958]: chain1 every_chain_jump_from_loader_to_app_PIC16F1704_new

Nov 2 17:58:50 (none) local0.notice cgminer[958]: jump_from_loader_to_app_PIC16F1704_new ok

Nov 2 17:58:50 (none) local0.notice cgminer[958]: chain2 every_chain_jump_from_loader_to_app_PIC16F1704_new

Nov 2 17:58:51 (none) local0.notice cgminer[958]: jump_from_loader_to_app_PIC16F1704_new ok

Nov 2 17:58:52 (none) local0.notice cgminer[958]: reset_all_hash_board_low 4386

Nov 2 17:58:52 (none) local0.notice cgminer[958]: pic_heart_beat_func_new

Nov 2 17:58:52 (none) local0.notice cgminer[958]: every_chain_disable_PIC16F1704_dc_dc_new

Nov 2 17:58:53 (none) local0.notice cgminer[958]: disable_PIC16F1704_dc_dc_new ok

Nov 2 17:58:54 (none) local0.notice cgminer[958]: every_chain_enable_PIC16F1704_dc_dc_new

Nov 2 17:58:54 (none) local0.notice cgminer[958]: enable_PIC16F1704_dc_dc_new ok

Nov 2 17:58:55 (none) local0.notice cgminer[958]: enable_PIC16F1704_dc_dc_new ok

Nov 2 17:58:55 (none) local0.notice cgminer[958]: reset_all_hash_board_high 4392

Nov 2 17:58:55 (none) local0.notice cgminer[958]: tty_init

Nov 2 17:58:55 (none) local0.notice cgminer[958]: tty_init_chain chainid = 0

Nov 2 17:58:55 (none) local0.err cgminer[958]: create rx read thread for chain 0 ok

Nov 2 17:58:55 (none) local0.notice cgminer[958]: Start A New Asic Response.Chain Id:[0]

Nov 2 17:58:56 (none) local0.err cgminer[958]: create tx read thread for chain 0 ok

Nov 2 17:58:56 (none) local0.notice cgminer[958]: open device over

Nov 2 17:58:56 (none) local0.notice cgminer[958]: tty_init_chain chainid = 1

Nov 2 17:58:56 (none) local0.err cgminer[958]: create rx read thread for chain 1 ok

Nov 2 17:58:56 (none) local0.notice cgminer[958]: Start A New Asic Response.Chain Id:[1]

Nov 2 17:58:56 (none) local0.err cgminer[958]: create tx read thread for chain 1 ok

Nov 2 17:58:56 (none) local0.notice cgminer[958]: open device over

Nov 2 17:58:56 (none) local0.notice cgminer[958]: tty_init_chain chainid = 2

Nov 2 17:58:56 (none) local0.err cgminer[958]: create rx read thread for chain 2 ok

Nov 2 17:58:56 (none) local0.notice cgminer[958]: Start A New Asic Response.Chain Id:[2]

Nov 2 17:58:56 (none) local0.err cgminer[958]: create tx read thread for chain 2 ok

Nov 2 17:58:56 (none) local0.notice cgminer[958]: open device over

Nov 2 17:59:00 (none) local0.notice cgminer[958]: calculate_address_interval:addrInterval = 64

Nov 2 17:59:02 (none) local0.notice cgminer[958]: check_every_chain_asic_number

Nov 2 17:59:04 (none) local0.notice cgminer[958]: check_asic_reg: chain J0 has 3 ASIC

Nov 2 17:59:05 (none) local0.notice cgminer[958]: check_asic_reg: chain J1 has 3 ASIC

Nov 2 17:59:07 (none) local0.notice cgminer[958]: check_asic_reg: chain J2 has 3 ASIC

Nov 2 17:59:08 (none) local0.notice cgminer[958]: chain0 pic version 04

Nov 2 17:59:09 (none) local0.notice cgminer[958]: chain1 pic version 04

Nov 2 17:59:09 (none) local0.notice cgminer[958]: start listen on 6060 ...

Nov 2 17:59:09 (none) local0.notice cgminer[958]: chain2 pic version 04

Nov 2 17:59:10 (none) local0.notice cgminer[958]: 1 Goto scan mode and find the best frequency

Nov 2 17:59:10 (none) local0.notice cgminer[958]: chainid0 set_frequency_chain freq=800

Nov 2 17:59:10 (none) local0.notice cgminer[958]: chainid1 set_frequency_chain freq=800

Nov 2 17:59:10 (none) local0.notice cgminer[958]: chainid2 set_frequency_chain freq=800

Nov 2 17:59:11 (none) local0.notice cgminer[958]: set_ticket_mask_chain chainID0 ticket_mask = 0x00000010

Nov 2 17:59:11 (none) local0.notice cgminer[958]: set_ticket_mask_chain chainID1 ticket_mask = 0x00000010

Nov 2 17:59:11 (none) local0.notice cgminer[958]: set_ticket_mask_chain chainID2 ticket_mask = 0x00000010

Nov 2 17:59:11 (none) local0.notice cgminer[958]: software_set_address_chain chainID0 asics 3 addrInterval 64

Nov 2 17:59:11 (none) local0.notice cgminer[958]: software_set_address_chain chainID1 asics 3 addrInterval 64

Nov 2 17:59:11 (none) local0.notice cgminer[958]: software_set_address_chain chainID2 asics 3 addrInterval 64

Nov 2 17:59:12 (none) local0.notice cgminer[958]: enable_read_temperature_from_asic_chain: reg_value=0x07006061 chainid 0

Nov 2 17:59:12 (none) local0.notice cgminer[958]: enable_read_temperature_from_asic_chain: reg_value=0x07006061 chainid 1

Nov 2 17:59:12 (none) local0.notice cgminer[958]: enable_read_temperature_from_asic_chain: reg_value=0x07006061 chainid 2

Nov 2 17:59:13 (none) local0.notice cgminer[958]: chainid0 set_analog_mux_control_chain: analog mux = 00000000

Nov 2 17:59:13 (none) local0.notice cgminer[958]: chainid1 set_analog_mux_control_chain: analog mux = 00000000

Nov 2 17:59:13 (none) local0.notice cgminer[958]: chainid2 set_analog_mux_control_chain: analog mux = 00000000

Nov 2 17:59:13 (none) local0.notice cgminer[958]: dev.timeout = 100000000 us

Nov 2 17:59:13 (none) local0.notice cgminer[958]: bitmain_ZCASH_init: fan_eft : 0 fan_pwm : 50

Nov 2 17:59:16 (none) local0.notice cgminer[958]: bitmain_ZCASH_init done

Nov 2 17:59:16 (none) local0.err cgminer[958]: cgminer time error total_secs = 1698947956.390265 last_total_secs = 1.000000

Nov 2 17:59:16 (none) local0.warn cgminer[958]: Failed to resolve (?wrong URL) stratum+tcp://:(null)

Nov 2 17:59:16 (none) local0.info cgminer[958]: Pool 0 extranonce set to 1eb790f0

Nov 2 17:59:16 (none) local0.notice cgminer[958]: stime.tv_sec 1698947956, block_ntime 1698947934

Nov 2 17:59:22 (none) local0.warn cgminer[958]: API running in IP access mode on port 4028 (10)

Nov 2 18:01:17 (none) local0.err cgminer[958]: bm1740_verify_nonce_integrality CRC error. cal-crc=59b8, chip-crc=dfdf

Nov 2 18:01:17 (none) local0.warn cgminer[958]: receive a error nonce. total = 0

Nick

November 03, 2023 03:28

Dear customer.

For chip has "x",we suggest you
1.Check your network, please make sure it's work normally
2.Change the PSU

https://support.bitmain.com/hc/en-us/articles/360023106653-ANTMINER-ASIC-status-showing-X

If there are still problems after the above steps, please send the latest kernel log and miner status.
We will double-check for you.

Dear Customer,

If you have any questions please feel free to contact us.

Please send email to customersupport@bitmain.com

We will reply to your question as soon as possible.

Escorpion Javi

November 12, 2023 11:51

I have spoken via email and they have not solved anything, they only tell me to try different power supplies that I have tried with more than 5, to clean it which is already done, I have changed the thermal paste, to insert the firmware through SD , which I already did with the one they have on the page although it is universal and stays with the z11 model and then through the website you have to reintroduce your z15 model. That I should send them the kernel in a txt of more than 30 minutes, I even sent them one that is 1 full day long. And it's still the same, that chip starts up fine but after 2 minutes it stops hashing. They have not given me any help or solution to the problem. What can I test or an indication if some part of the board may be wrong?

November 13, 2023 02:44

Please refer to the following instructions to send the miner or parts for repair.

https://service.bitmain.com/support/guide

Please refer to the link below to create a repair ticket first.

The warehouse will not accept the goods without the repair ticket.

https://support.bitmain.com/hc/en-us/articles/226760527-How-to-create-revise-a-repair-ticket

Please send defective miners or parts to an official repair center.

https://support.bitmain.com/hc/en-us/articles/220138027-Overseas-Repair-Centre-Delivery-Addresses-Official-

IMPORTANT NOTE:

Please do not send the machine to an address other than the repair centre you can choose from in the repair ticket.

Please pay attention to the clearance instructions of the optional repair centre to avoid customs clearance failure.

Customer service may notify you of repairs and customs clearance by email or phone, so please make sure to keep your email and mobile phone in correspondence.

Antminer z15 chip problem 2 minutes no hash x

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