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Author Topic: NBMiner v26.2, GPU Miner for CKB, GRIN, AE, SERO, BTM, ETH, SWAP  (Read 26117 times)
cudapop
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February 22, 2019, 03:32:33 AM
 #81

By default nvidia-smi detects card order according to PCIe lane, while CUDA programs detect card order by performance. To switch CUDA to detect according to PCIe order so it matches nvidia-smi, set the environment variable "CUDA_DEVICE_ORDER" to the value "PCI_BUS_ID" before running the miner.

For example, for Linux systems use:

export CUDA_DEVICE_ORDER=PCI_BUS_ID

@NebuTech devs, maybe you can add the above in the shell/batch startup files.

BTW, i find the program detect the cards in a different order with the nvidia-smi.
this causes some trouble for selecting device.
for example, I have an nvidia-smi result as below,
0  GeForce GTX 1080
1  GeForce GTX 1070
2  GeForce GTX 1080
3  GeForce GTX 1070

but nbminer detect the device# as below,
0  GeForce GTX 1080
1  GeForce GTX 1080
2  GeForce GTX 1070
3  GeForce GTX 1070
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nebutech
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February 22, 2019, 03:37:44 AM
 #82

Quote

THX.
if I don't know which gpu will fail, can I select all cards but only run those normal cards?
the thread that control the fail cards can sleep and restart every 5 minutes.

BTW, i find the program detect the cards in a different order with the nvidia-smi.
this causes some trouble for selecting device.
for example, I have an nvidia-smi result as below,
0  GeForce GTX 1080
1  GeForce GTX 1070
2  GeForce GTX 1080
3  GeForce GTX 1070

but nbminer detect the device# as below,
0  GeForce GTX 1080
1  GeForce GTX 1080
2  GeForce GTX 1070
3  GeForce GTX 1070


Currently NBMiner do not has the option to ignore failed cards.

NBMiner uses GPU order in CUDA runtime instead of Driver runtime, these two can be different in some rigs.

Thanks to @cudapop. I'm taking this into future change plans.
topteam
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February 22, 2019, 07:12:10 AM
Last edit: February 27, 2019, 09:40:47 PM by topteam
 #83

Good job
Thanks
Please check, crash when try to reconnect to the pool (C31, btc.com)

Code:
WARN - #033[31mNo response from mining pool, disconnected.
INFO - Logout.
No response from mining pool, disconnected.
WARN - #033[33mQObject::disconnect: Unexpected null parameter
kernel: [26221.903338] nbminer[4829]: segfault at 8 ip 0000000000543b3b sp 00007ffd89978990 error 4
#033[0m!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Mining program unexpected exit.
Reason: Process crashed
Restart miner after 10 secs ...
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
nebutech
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February 28, 2019, 12:36:48 PM
 #84

Good job
Thanks
Please check, crash when try to reconnect to the pool (C31, btc.com)

Code:
WARN - #033[31mNo response from mining pool, disconnected.
INFO - Logout.
No response from mining pool, disconnected.
WARN - #033[33mQObject::disconnect: Unexpected null parameter
kernel: [26221.903338] nbminer[4829]: segfault at 8 ip 0000000000543b3b sp 00007ffd89978990 error 4
#033[0m!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Mining program unexpected exit.
Reason: Process crashed
Restart miner after 10 secs ...
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Thanks for detailed report.
Will be fixed in the next version.
Benutzer2
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March 03, 2019, 05:43:29 PM
 #85

Hi my titan Vs crash.. please help
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March 03, 2019, 06:45:43 PM
 #86

Hi
asrock H110 Pro BTC
5xRTX 2080
BTM
Windows 10 -crash seldom and restart computer
Windows 8.1  only crash
so install windows 7 - drivers have been installed well, windows sees graphics cards but miners do not detect cards and fans are spinning all the time.

What's the problem?
Bucheran
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March 05, 2019, 11:29:27 PM
 #87

https://www.akminer.com/all-products/new-antminer-b7-96kh
this is the end(((
nebutech
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March 06, 2019, 06:01:45 AM
 #88

v21.0 upadted Grin
nebutech
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March 06, 2019, 10:51:50 AM
 #89

Hi my titan Vs crash.. please help

v20.0 does not support ttv

v21.0 supports, but not using its tensorcores.

No future plans for supporting tensorcores on volta cards.
nebutech
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March 06, 2019, 10:55:19 AM
 #90

Hi
asrock H110 Pro BTC
5xRTX 2080
BTM
Windows 10 -crash seldom and restart computer
Windows 8.1  only crash
so install windows 7 - drivers have been installed well, windows sees graphics cards but miners do not detect cards and fans are spinning all the time.

What's the problem?

Never heard of such things happened.

Try new version?
evlo
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March 06, 2019, 12:58:26 PM
Last edit: March 06, 2019, 01:13:09 PM by evlo
 #91

some gpus on 1 of my rigs have bad perofrmance, on my other rigs i got from 2.7 to 2.9-3.0, which is equal to linux perf.
+ you can see that even "better" gpus after nr. 5 get 2.5 g/s instead of 2.9 g/s that is min for all the other gpus on all the other rigs and firs 5 gpus on this rig.


I'm running conservative OC and UV.
CPU load is unusually low for grin29. IMO.

Differences of the affected rig: windows 1809, h110 motherboards, others re window 1703 (i think) and biostar b250 (i think) motherboards

I think that in previous nbminer versions I would get 2.7 on all gpus on that rig, but i'm not sure, i will try nbminer before 20 or so to verify.

Any idea?


nebutech
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March 06, 2019, 01:13:28 PM
 #92

some gpus on 1 of my rigs have bad perofrmance, on my other rigs i got from 2.7 to 2.9-3.0, which is equal to linux perf.
+ you can see that even "better" gpus after nr. 5 get 2.5 g/s instead of 2.9 g/s that is min for all the other gpus on all the other rigs and firs 5 gpus on this rig.


I'm running conservative OC and UV.
CPU load is unusually low for grin29. IMO.

Differences of the affected rig: windows 1809, h110 motherboards, others re window 1703 (i think) and biostar b250 (i think) motherboards

I think that in previous nbminer versions I would get 2.7 on all gpus on that rig, but i'm not sure, i will try nbminer before 20 or so to verify.

Any idea?



It is weired what happened.

There are other users who reported similar situations like this.

The reference performances table are tested under linux.

I will check the compatibility issue on Windows.

Hopes to fix this soon.
evlo
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March 06, 2019, 01:16:53 PM
 #93

Thank you!

If it is any help I noticed huge power draw fluctuations on the most affected cards - i don't use power limiter, only undervolting, and loads goes to to 27w sometimes and then get back to 65w. Dunno if it is useful info for debugging.

Hopefully it is not related to windows being 1809, but so far I see it as biggest difference of the affected rig.
nebutech
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March 06, 2019, 01:30:03 PM
 #94

Thank you!

If it is any help I noticed huge power draw fluctuations on the most affected cards - i don't use power limiter, only undervolting, and loads goes to to 27w sometimes and then get back to 65w. Dunno if it is useful info for debugging.

Hopefully it is not related to windows being 1809, but so far I see it as biggest difference of the affected rig.

 Wink Every bit of information helps.

Thanks.
evlo
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March 06, 2019, 01:53:58 PM
 #95

I also found out that in version 20 I get 2.7 across all GPUs on that rig, while 21 behaves as I posted above. So at least now we can be sure it is just in the latest version Smiley
Dr_Victor
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March 06, 2019, 01:56:26 PM
 #96

Can I use this miner on C31 for GTX 1080ti/win 10?

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nebutech
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March 06, 2019, 01:57:14 PM
Merited by Dr_Victor (1)
 #97

Can I use this miner on C31 for GTX 1080ti/win 10?

Yes, it works.
Dr_Victor
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March 06, 2019, 02:12:07 PM
 #98

Can I use this miner on C31 for GTX 1080ti/win 10?

Yes, it works.
Have you got 1.4+ speed?

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nebutech
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March 06, 2019, 02:17:16 PM
 #99

Can I use this miner on C31 for GTX 1080ti/win 10?

Yes, it works.
Have you got 1.4+ speed?

Yes, as I mentioned above, however, the reference performance (1.45g/s cuckatoo31 on 1080ti) was tested under Linux system.

Miner hashrate may vary under windows, due to some issue that I am trying to find out.
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March 06, 2019, 04:18:27 PM
 #100

v21: CUDA Error: no kernel image is available for execution on the device (err_no=209)

2080Ti, latest drivers 419.35
 
v20: works fine!

Any suggestions?
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