S9 - Rejection Ratio

[bitcoinlover281]

Hello All

I am using BraiinOS+ and I am seeing what I assume to be a very high rejection ratio. I did notice that my estimated daily reward dropped then what it has normally been.

HASH RATE 1M                    14.94 Th/s   
HASH RATE 15M                  15.04 Th/s   
HASH RATE 24H                     10.32 Th/s
FOUND BLOCKS                         0
ACCEPTED                              12127
DIFFICULTY ACCEPTED         205152038   
REJECTED                                107
DIFFICULTY REJECTED      1837720
REJECTION RATIO                0.87 %
ELAPSED TIME                      16:25:45
HARDWARE ERRORS                 395
SHARES/1M                            210573

[1715455365]

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[BitMaxz]

The rejection ratio is pretty small but you have many hardware errors according to your stats.
I think it would be better to bring this issue to their official thread from here https://bitcointalk.org/index.php?topic=5036844.0

Anyway, if you can share your kernel logs here maybe we can see the cause of this why you get 10.32 Th/s on average.

Try to change your pool it might be because of high pool server ping or might be because of high ASIC temp.

[philipma1957]

The rejection ratio is pretty small but you have many hardware errors according to your stats.
I think it would be better to bring this issue to their official thread from here https://bitcointalk.org/index.php?topic=5036844.0

Anyway, if you can share your kernel logs here maybe we can see the cause of this why you get 10.32 Th/s on average.

Try to change your pool it might be because of high pool server ping or might be because of high ASIC temp.

his 10th is 16 hours out of 24

so 16/24 = ⅔

his hash is 10/15 = ⅔

it looks perfectly normal to me.

I would prefer to see his pool stats.

I think he rebooted and gets a 16 hour read if you look you can see he is at 16 hours and change.

sometimes braiins reboots on its own and starts the clock again

[bitcoinlover281]

Hello, Here is the kernel log.

Code:

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 4.4.0-xilinx-g518c00cd977f-dirty (build@runner-pegegjka-project-312-concurrent-0) (gcc version 5.4.0 (LEDE GCC 5.4.0 r3560-79f57e422d) ) #0 SMP PREEMPT Fri Dec 18 00:00:11 2020
[    0.000000] CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=18c5387d
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] Machine model: AntMiner S9 Miner Control Board
[    0.000000] cma: Reserved 16 MiB at 0x1f000000
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] On node 0 totalpages: 131072
[    0.000000] free_area_init_node: node 0, pgdat c07ba300, node_mem_map debf0000
[    0.000000]   Normal zone: 1024 pages used for memmap
[    0.000000]   Normal zone: 0 pages reserved
[    0.000000]   Normal zone: 131072 pages, LIFO batch:31
[    0.000000] PERCPU: Embedded 12 pages/cpu @debcc000 s18944 r8192 d22016 u49152
[    0.000000] pcpu-alloc: s18944 r8192 d22016 u49152 alloc=12*4096
[    0.000000] pcpu-alloc: [0] 0 [0] 1 
[    0.000000] Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 130048
[    0.000000] Kernel command line: console=ttyPS0,115200 noinitrd ubi.mtd=7 ubi.block=0,1 root=/dev/ubiblock0_1 r rootfstype=squashfs rootwait mtdparts=pl35x-nand:512k(boot),2560k(uboot),2m(fpga1),2m(fpga2),512k(uboot_env),512k(miner_cfg),22m(recovery),95m(firmware1),95m(firmware2),36m(factory) earlyprintk
[    0.000000] PID hash table entries: 2048 (order: 1, 8192 bytes)
[    0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes)
[    0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.000000] Memory: 495060K/524288K available (5568K kernel code, 204K rwdata, 1844K rodata, 264K init, 221K bss, 12844K reserved, 16384K cma-reserved, 0K highmem)
[    0.000000] Virtual kernel memory layout:
[    0.000000]     vector  : 0xffff0000 - 0xffff1000   (   4 kB)
[    0.000000]     fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
[    0.000000]     vmalloc : 0xe0800000 - 0xff800000   ( 496 MB)
[    0.000000]     lowmem  : 0xc0000000 - 0xe0000000   ( 512 MB)
[    0.000000]     pkmap   : 0xbfe00000 - 0xc0000000   (   2 MB)
[    0.000000]     modules : 0xbf000000 - 0xbfe00000   (  14 MB)
[    0.000000]       .text : 0xc0008000 - 0xc07454fc   (7414 kB)
[    0.000000]       .init : 0xc0746000 - 0xc0788000   ( 264 kB)
[    0.000000]       .data : 0xc0788000 - 0xc07bb260   ( 205 kB)
[    0.000000]        .bss : 0xc07bb260 - 0xc07f2984   ( 222 kB)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1
[    0.000000] Preemptible hierarchical RCU implementation.
[    0.000000] 	RCU restricting CPUs from NR_CPUS=4 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 16
[    0.000000] slcr mapped to e0800000
[    0.000000] L2C: platform modifies aux control register: 0x02060000 -> 0x32460000
[    0.000000] L2C: DT/platform modifies aux control register: 0x02060000 -> 0x32460000
[    0.000000] L2C-310 erratum 769419 enabled
[    0.000000] L2C-310 enabling early BRESP for Cortex-A9
[    0.000000] L2C-310 full line of zeros enabled for Cortex-A9
[    0.000000] L2C-310 dynamic clock gating enabled, standby mode enabled
[    0.000000] L2C-310 cache controller enabled, 8 ways, 512 kB
[    0.000000] L2C-310: CACHE_ID 0x410000c8, AUX_CTRL 0x46460001
[    0.000000] zynq_clock_init: clkc starts at e0800100
[    0.000000] Zynq clock init
[    0.000011] sched_clock: 64 bits at 333MHz, resolution 3ns, wraps every 4398046511103ns
[    0.000035] clocksource: arm_global_timer: mask: 0xffffffffffffffff max_cycles: 0x4ce07af025, max_idle_ns: 440795209040 ns
[    0.000136] clocksource: ttc_clocksource: mask: 0xffff max_cycles: 0xffff, max_idle_ns: 537538477 ns
[    0.000166] timer #0 at e0808000, irq=17
[    0.000428] Console: colour dummy device 80x30
[    0.000449] Calibrating delay loop... 1332.01 BogoMIPS (lpj=6660096)
[    0.090309] pid_max: default: 32768 minimum: 301
[    0.090416] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.090430] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
[    0.090932] CPU: Testing write buffer coherency: ok
[    0.091139] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.091229] Setting up static identity map for 0x8280 - 0x82d8
[    0.260297] CPU1: thread -1, cpu 1, socket 0, mpidr 80000001
[    0.260369] Brought up 2 CPUs
[    0.260389] SMP: Total of 2 processors activated (2664.03 BogoMIPS).
[    0.260397] CPU: All CPU(s) started in SVC mode.
[    0.264172] VFP support v0.3: implementor 41 architecture 3 part 30 variant 9 rev 4
[    0.264581] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.265487] pinctrl core: initialized pinctrl subsystem
[    0.266790] NET: Registered protocol family 16
[    0.268789] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.290289] cpuidle: using governor ladder
[    0.320274] cpuidle: using governor menu
[    0.330519] zynq-ocm f800c000.ocmc: ZYNQ OCM pool: 256 KiB @ 0xe0880000
[    0.330937] zynq-pinctrl 700.pinctrl: zynq pinctrl initialized
[    0.381916] GPIO IRQ not connected
[    0.381935] XGpio: /amba_pl/gpio@41200000: registered, base is 897
[    0.382125] GPIO IRQ not connected
[    0.382137] XGpio: /amba_pl/gpio@41210000: registered, base is 884
[    0.383115] vgaarb: loaded
[    0.383581] SCSI subsystem initialized
[    0.384112] usbcore: registered new interface driver usbfs
[    0.384204] usbcore: registered new interface driver hub
[    0.384310] usbcore: registered new device driver usb
[    0.384742] media: Linux media interface: v0.10
[    0.384873] Linux video capture interface: v2.00
[    0.384965] pps_core: LinuxPPS API ver. 1 registered
[    0.384977] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
[    0.385068] PTP clock support registered
[    0.385177] EDAC MC: Ver: 3.0.0
[    0.385982] Advanced Linux Sound Architecture Driver Initialized.
[    0.387208] clocksource: Switched to clocksource arm_global_timer
[    0.396204] NET: Registered protocol family 2
[    0.396916] TCP established hash table entries: 4096 (order: 2, 16384 bytes)
[    0.396979] TCP bind hash table entries: 4096 (order: 3, 32768 bytes)
[    0.397064] TCP: Hash tables configured (established 4096 bind 4096)
[    0.397121] UDP hash table entries: 256 (order: 1, 8192 bytes)
[    0.397154] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes)
[    0.397437] NET: Registered protocol family 1
[    0.398179] RPC: Registered named UNIX socket transport module.
[    0.398192] RPC: Registered udp transport module.
[    0.398201] RPC: Registered tcp transport module.
[    0.398210] RPC: Registered tcp NFSv4.1 backchannel transport module.
[    0.398241] PCI: CLS 0 bytes, default 64
[    0.399760] futex hash table entries: 512 (order: 3, 32768 bytes)
[    0.411103] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[    0.423511] io scheduler noop registered
[    0.423533] io scheduler deadline registered
[    0.423587] io scheduler cfq registered (default)
[    0.425436] dma-pl330 f8003000.dmac: Loaded driver for PL330 DMAC-241330
[    0.425456] dma-pl330 f8003000.dmac: 	DBUFF-128x8bytes Num_Chans-8 Num_Peri-4 Num_Events-16
[    0.426132] Serial: 8250/16550 driver, 2 ports, IRQ sharing disabled
[    0.427657] e0001000.serial: ttyPS0 at MMIO 0xe0001000 (irq = 143, base_baud = 6249999) is a xuartps
[    1.056988] console [ttyPS0] enabled
[    1.061136] xdevcfg f8007000.devcfg: ioremap 0xf8007000 to e081c000
[    1.067836] [drm] Initialized drm 1.1.0 20060810
[    1.083196] brd: module loaded
[    1.092352] loop: module loaded
[    1.098305] CAN device driver interface
[    1.103762] libphy: MACB_mii_bus: probed
[    1.187369] macb e000b000.ethernet eth0: Cadence GEM rev 0x00020118 at 0xe000b000 irq 145 (04:97:fc:c2:d1:c8)
[    1.197246] macb e000b000.ethernet eth0: attached PHY driver [Generic PHY] (mii_bus:phy_addr=e000b000.etherne:01, irq=-1)
[    1.208428] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
[    1.214170] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[    1.224600] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
[    1.231152] ehci-pci: EHCI PCI platform driver
[    1.235690] usbcore: registered new interface driver usb-storage
[    1.243038] mousedev: PS/2 mouse device common for all mice
[    1.248974] i2c /dev entries driver
[    1.255568] EDAC MC: ECC not enabled
[    1.259561] Xilinx Zynq CpuIdle Driver started
[    1.264219] sdhci: Secure Digital Host Controller Interface driver
[    1.270424] sdhci: Copyright(c) Pierre Ossman
[    1.274708] sdhci-pltfm: SDHCI platform and OF driver helper
[    1.281730] sdhci-arasan e0100000.sdhci: No vmmc regulator found
[    1.287712] sdhci-arasan e0100000.sdhci: No vqmmc regulator found
[    1.327235] mmc0: SDHCI controller on e0100000.sdhci [e0100000.sdhci] using ADMA
[    1.335386] ledtrig-cpu: registered to indicate activity on CPUs
[    1.341848] usbcore: registered new interface driver usbhid
[    1.347353] usbhid: USB HID core driver
[    1.352065] nand: device found, Manufacturer ID: 0x2c, Chip ID: 0xda
[    1.358363] nand: Micron MT29F2G08ABAEAWP
[    1.362325] nand: 256 MiB, SLC, erase size: 128 KiB, page size: 2048, OOB size: 64
[    1.369902] nand: WARNING: pl35x-nand: the ECC used on your system is too weak compared to the one required by the NAND chip
[    1.381344] Bad block table found at page 131008, version 0x01
[    1.387515] Bad block table found at page 130944, version 0x01
[    1.393548] 10 cmdlinepart partitions found on MTD device pl35x-nand
[    1.399842] Creating 10 MTD partitions on "pl35x-nand":
[    1.405024] 0x000000000000-0x000000080000 : "boot"
[    1.410849] 0x000000080000-0x000000300000 : "uboot"
[    1.426625] 0x000000300000-0x000000500000 : "fpga1"
[    1.442427] 0x000000500000-0x000000700000 : "fpga2"
[    1.458236] 0x000000700000-0x000000780000 : "uboot_env"
[    1.474368] 0x000000780000-0x000000800000 : "miner_cfg"
[    1.490458] 0x000000800000-0x000001e00000 : "recovery"
[    1.506586] 0x000001e00000-0x000007d00000 : "firmware1"
[    1.523300] 0x000007d00000-0x00000dc00000 : "firmware2"
[    1.540005] 0x00000dc00000-0x000010000000 : "factory"
[    1.558794] nf_conntrack version 0.5.0 (7991 buckets, 31964 max)
[    1.566671] NET: Registered protocol family 10
[    1.572353] sit: IPv6 over IPv4 tunneling driver
[    1.577682] NET: Registered protocol family 17
[    1.582099] bridge: automatic filtering via arp/ip/ip6tables has been deprecated. Update your scripts to load br_netfilter if you need this.
[    1.594663] can: controller area network core (rev 20120528 abi 9)
[    1.600867] NET: Registered protocol family 29
[    1.605237] can: raw protocol (rev 20120528)
[    1.609514] can: broadcast manager protocol (rev 20120528 t)
[    1.615134] can: netlink gateway (rev 20130117) max_hops=1
[    1.620818] 8021q: 802.1Q VLAN Support v1.8
[    1.625311] Registering SWP/SWPB emulation handler
[    1.631577] ubi0: attaching mtd7
[    1.946371] ubi0: scanning is finished
[    1.957266] ubi0: attached mtd7 (name "firmware1", size 95 MiB)
[    1.963103] ubi0: PEB size: 131072 bytes (128 KiB), LEB size: 126976 bytes
[    1.969989] ubi0: min./max. I/O unit sizes: 2048/2048, sub-page size 2048
[    1.976729] ubi0: VID header offset: 2048 (aligned 2048), data offset: 4096
[    1.983690] ubi0: good PEBs: 760, bad PEBs: 0, corrupted PEBs: 0
[    1.989684] ubi0: user volume: 3, internal volumes: 1, max. volumes count: 128
[    1.996868] ubi0: max/mean erase counter: 1/0, WL threshold: 4096, image sequence number: 1576505617
[    2.005998] ubi0: available PEBs: 0, total reserved PEBs: 760, PEBs reserved for bad PEB handling: 40
[    2.015223] ubi0: background thread "ubi_bgt0d" started, PID 823
[    2.026141] block ubiblock0_1: created from ubi0:1(rootfs)
[    2.031596] hctosys: unable to open rtc device (rtc0)
[    2.041201] ALSA device list:
[    2.044092]   No soundcards found.
[    2.049846] VFS: Mounted root (squashfs filesystem) readonly on device 254:0.
[    2.057313] Freeing unused kernel memory: 264K (c0746000 - c0788000)
[    2.516419] init: Console is alive
[    2.519985] init: - watchdog -
[    2.920603] kmodloader: loading kernel modules from /etc/modules-boot.d/*
[    3.014339] kmodloader: done loading kernel modules from /etc/modules-boot.d/*
[    3.027919] init: - preinit -
[    3.611888] random: jshn urandom read with 0 bits of entropy available
[    3.813761] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[    5.187489] macb e000b000.ethernet eth0: link up (1000/Full)
[    5.193092] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[    6.977291] UBIFS (ubi0:2): background thread "ubifs_bgt0_2" started, PID 901
[    7.000464] UBIFS (ubi0:2): recovery needed
[    7.064883] UBIFS (ubi0:2): recovery completed
[    7.069354] UBIFS (ubi0:2): UBIFS: mounted UBI device 0, volume 2, name "rootfs_data"
[    7.077103] UBIFS (ubi0:2): LEB size: 126976 bytes (124 KiB), min./max. I/O unit sizes: 2048 bytes/2048 bytes
[    7.087020] UBIFS (ubi0:2): FS size: 76693504 bytes (73 MiB, 604 LEBs), journal size 3809280 bytes (3 MiB, 30 LEBs)
[    7.097427] UBIFS (ubi0:2): reserved for root: 3622423 bytes (3537 KiB)
[    7.104014] UBIFS (ubi0:2): media format: w4/r0 (latest is w4/r0), UUID A4DD97A7-E2AA-45A1-87C5-7ED10589BA85, small LPT model
[    7.117597] mount_root: switching to ubifs overlay
[    7.130805] urandom-seed: Seeding with /etc/urandom.seed
[    7.253536] procd: - early -
[    7.256397] procd: - watchdog -
[    7.889076] procd: - watchdog -
[    7.892353] procd: - ubus -
[    8.050259] procd: - init -
[    8.187482] macb e000b000.ethernet eth0: link down
[    8.431710] kmodloader: loading kernel modules from /etc/modules.d/*
[    8.508253] tun: Universal TUN/TAP device driver, 1.6
[    8.513230] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[    8.522593] ip6_tables: (C) 2000-2006 Netfilter Core Team
[    8.535577] ip_tables: (C) 2000-2006 Netfilter Core Team
[    8.669507] xt_time: kernel timezone is -0000
[    8.680244] kmodloader: done loading kernel modules from /etc/modules.d/*
[   11.583235] device eth0 entered promiscuous mode
[   11.595790] IPv6: ADDRCONF(NETDEV_UP): br-lan: link is not ready
[   11.696146] Start post-upgrade process...
[   12.217540] macb e000b000.ethernet eth0: link up (1000/Full)
[   12.223252] br-lan: port 1(eth0) entered forwarding state
[   12.228675] br-lan: port 1(eth0) entered forwarding state
[   12.245737] IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready
[   12.601613] random: nonblocking pool is initialized
[   14.227243] br-lan: port 1(eth0) entered forwarding state

[favebook]

Your kernel log looks fine by the glance of it.
Phil already noted that your unit is only active for 16h and you should wait for at least until 24h pass or even 48h to get a solid average.

Your rejection and HW is not that high but it would be better if it was lower. Rejection can be due to high ping while HW are due to too high overclock and/or too low voltage.

[bitcoinlover281]

I had rebooted my machine, several times because i was seeing similar stuff happing before also.

Currently, I am 30 hrs in since the last reboot, and the rejection ratio has dropped a tad bit, but not much lower. .66%

The ping time also doesn't seem to be an issue.

Code:

PING v2.us-east.stratum.slushpool.com (3.80.37.72): 56 data bytes
64 bytes from 3.80.37.72: seq=0 ttl=25 time=22.539 ms
64 bytes from 3.80.37.72: seq=1 ttl=25 time=30.564 ms
64 bytes from 3.80.37.72: seq=2 ttl=25 time=26.246 ms
64 bytes from 3.80.37.72: seq=3 ttl=25 time=18.644 ms
64 bytes from 3.80.37.72: seq=4 ttl=25 time=22.213 ms

As far as overclocking and voltage, I am using Braiin OS+.

https://pasteboard.co/JLd3B7n.jpg
https://pasteboard.co/JLd43LX.jpg

[philipma1957]

I am not sure what it is you are expecting.
your numbers are fine
your temps are fine.

you over clocked and get extra hash and extra errors all is normal.


I can tell you that the gear is close to 15th. if it is close to 15th at the pool call it a day you are done.


also I don't like the 9.3 volt tune on one board but it is not showing a high temp.

Me I would not set the power limit to 1420 watts and auto tune

I would set it to 1200 watts and autotune but I nurse my gear.



You realize your numbers mean for every 100 usd you should earn you are losing 66 cents. you can see what the 1200 watt clock does for lost hash vs 1420 watt clock.

[bitcoinlover281]

I wasn't really looking for anything, but to make sure that the errors that high are normal, because I had seen others recommending this to not be any higher than .0003.(Something like that). This is my first time around this, and just getting my feet wet.

All the settings are autotuned, I have not set any of the variables manually.

I have an exhaust hooked up to the machine, that are keeping my temps low.

[mikeywith]

Your rejected shares rate isn't perfect but it's also nowhere near bad, it's just normal, also it seems like you have the auto-tuning going on, which will affect the results to some degree, all the information you posted are irrelevant, all that matters is the accepted hashrate that shows on Slushpool if it's within the 1+-% range of what appears on the miner status page - then you have nothing to worry about, of course, the reading should be taken after the miner has been running for a long enough period.