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Author Topic: SRBMiner Cryptonight AMD GPU Miner V1.7.0 - native algo switching  (Read 135359 times)
Boss_One
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April 12, 2018, 01:24:33 PM
 #601

Hello
I'm using 2 old RADEON 6950 on 2 different computer. It's the 1st miner could hash from the Monero V7 fork and I'm happy to discover this miner!  Smiley

I have a hashrate problem, I can't reach better than 145 H / s. Before the Fork I was doing 350 H / s with this card with other miner.

I've tried the automatic intensity, and a lot of between 0 - 300 i've got the max with intensity 15
Is this card compatible with this miner ? Already it is stable and there is HASHRATE. Which is not the case with any other minor i've tried ...

I hope you could help me with my 2 old radeon card.

I'm Using Windows 8.1 X64
The last WHQL Driver for this card "15.7.1"

There is some recommendation about the driver revision or other tips to Hash more with that card ?

Thank you for your work

@doktor83

I quoted myself

Any idea about this card ?

The blockchain driver did'nt work and the laster beta drivers didn't work too.
So only the WHQL 15.7.1 driver works at low hasrate.

Since the hard fork claymore doesn't support older card than 6xxx, i think u have a lot of old miner could be interested by your miner, i saw same problem on other forum as mine with this  6xxx card can't hash, SRB Miner is the only one could hash with my card.

I hope you could help me.

The blockchain and latest drivers won't work with this card because it is a pre-GCN card. Probably need custom timings in BIOS and overclock memory to get better hashrate.


Ok and what about the hasrate 350 before hard fork ==> 145h/s after ? Sad
I know it's a very oldcard, but 700h/s on two card was prety good for those grandma  Grin

i'm at the maximum OC AMD Override let me put : Gpu 800@840 Memory  1250@1350, Memory speed didn't impact the hashrate. It's seems the miner didn't take all the GPU "powerfull"
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April 12, 2018, 02:01:39 PM
 #602

Wanna more than 200 at RX550 2Gb Buffin unlocked!
Please, help with config((
iisbetoq
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April 12, 2018, 02:41:23 PM
 #603

Wanna more than 200 at RX550 2Gb Buffin unlocked!
Please, help with config((
have you mod your bios
download this https://github.com/jaschaknack/PolarisBiosEditor
backup your bios
click one time timing
flash with winatiflash
done

Status Keren (https://www.koc.im/)
CryptoPlay
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April 12, 2018, 02:58:06 PM
 #604

Wanna more than 200 at RX550 2Gb Buffin unlocked!
Please, help with config((

This card does 400 to 450.

https://signature.statseb.fr/sig-2065.png
RaidoP2
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April 12, 2018, 03:03:03 PM
 #605

Hello
I'm using 2 old RADEON 6950 on 2 different computer. It's the 1st miner could hash from the Monero V7 fork and I'm happy to discover this miner!  Smiley

I have a hashrate problem, I can't reach better than 145 H / s. Before the Fork I was doing 350 H / s with this card with other miner.

I've tried the automatic intensity, and a lot of between 0 - 300 i've got the max with intensity 15
Is this card compatible with this miner ? Already it is stable and there is HASHRATE. Which is not the case with any other minor i've tried ...

I hope you could help me with my 2 old radeon card.

I'm Using Windows 8.1 X64
The last WHQL Driver for this card "15.7.1"

There is some recommendation about the driver revision or other tips to Hash more with that card ?

Thank you for your work

@doktor83

I quoted myself

Any idea about this card ?

The blockchain driver did'nt work and the laster beta drivers didn't work too.
So only the WHQL 15.7.1 driver works at low hasrate.

Since the hard fork claymore doesn't support older card than 6xxx, i think u have a lot of old miner could be interested by your miner, i saw same problem on other forum as mine with this  6xxx card can't hash, SRB Miner is the only one could hash with my card.

I hope you could help me.

The blockchain and latest drivers won't work with this card because it is a pre-GCN card. Probably need custom timings in BIOS and overclock memory to get better hashrate.


Ok and what about the hasrate 350 before hard fork ==> 145h/s after ? Sad
I know it's a very oldcard, but 700h/s on two card was prety good for those grandma  Grin

i'm at the maximum OC AMD Override let me put : Gpu 800@840 Memory  1250@1350, Memory speed didn't impact the hashrate. It's seems the miner didn't take all the GPU "powerfull"

Which miner did you use previously? Probably better optimized kernel or something to give better hashrate. SRB probably isn't optimized for older cards, maybe try with XMR-STAK?
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April 12, 2018, 05:02:13 PM
 #606

Hi there

This config for normalv7, i set intensity,   fixed value  (example: 44) ----> it's run  and has good hash (for xmr coin)
{
/* Type can be : normal, normalv7, lite, litev7, heavy, ultraheavy  */
"cryptonight_type" : "normalv7",

/* Intensity 0-> auto intensity, or value from 1-200  */
"intensity" : 44,

/* To use 2 threads per card set double_threads to true  */
"double_threads" : true,

but i change to heavy,  it's not run and has bug (for sumo coin)
{
/* Type can be : normal, normalv7, lite, litev7, heavy, ultraheavy  */ 
"cryptonight_type" : "heavy",

/* Intensity 0-> auto intensity, or value from 1-200  */
"intensity" : 44,

/* To use 2 threads per card set double_threads to true  */
"double_threads" : true,


Please help me
WhyMe
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April 12, 2018, 05:43:03 PM
 #607

Wanna more than 200 at RX550 2Gb Buffin unlocked!
Please, help with config((

This card does 400 to 450.

Mine does with Claymore, not with SRB.
cvsea
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April 12, 2018, 05:45:49 PM
 #608

Hey dok,

What's the word on all the rejected shares when mining at nicehash (about 5%)?
Could a fix be found?

Getting both outdated and invalid nonce rejects.
In comparison, gateless gate gives 0 rejects but speed is not on par poolside.
R0land
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April 12, 2018, 06:00:23 PM
 #609

Wanna more than 200 at RX550 2Gb Buffin unlocked!
Please, help with config((

This card does 400 to 450.

The Lexa RX550 does 450, but not the Baffin RX550 with slow 1500 MHz memory.
Velmerk
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April 12, 2018, 06:44:56 PM
 #610

1.3.2
Vega56 - same hashrate as CAST-XMR, ~1800-1900 (GPU 1474, MEM 920, PL -15%) blockchain driver.
Its good. Now i will test stability.

{ "id" : 0, "intensity" : 120, "worksize" : 8, "threads" : 2},
rig1313
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April 12, 2018, 06:51:53 PM
 #611

Hi there

This config for normalv7, i set intensity,   fixed value  (example: 44) ----> it's run  and has good hash (for xmr coin)
{
/* Type can be : normal, normalv7, lite, litev7, heavy, ultraheavy  */
"cryptonight_type" : "normalv7",

/* Intensity 0-> auto intensity, or value from 1-200  */
"intensity" : 44,

/* To use 2 threads per card set double_threads to true  */
"double_threads" : true,

but i change to heavy,  it's not run and has bug (for sumo coin)
{
/* Type can be : normal, normalv7, lite, litev7, heavy, ultraheavy  */ 
"cryptonight_type" : "heavy",

/* Intensity 0-> auto intensity, or value from 1-200  */
"intensity" : 44,

/* To use 2 threads per card set double_threads to true  */
"double_threads" : true,


Please help me

hi there

u must use half intensity

heavy using double memory

try 22 instead of 44
typerc
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April 12, 2018, 09:18:33 PM
 #612

Miner 1.3.2 cant't shutdown if crash detected. System also can't reboot in this case. Only reset can help.
CPU usage in this case is 99%

Also in version 1.3.2 i can't see which card is crashed.

I am having this same issue. The only thing in the log file shows "watchdog: GPU crash detected, miner will try to restart" and then it hangs with 99% CPU usage. Version 1.3.1 didn't do this.

Can you add in the logging which GPU ID crashed to help narrow down hardware issues. Right now I don't see how logging is of any help.
Fast_cris
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April 12, 2018, 11:57:08 PM
 #613

good work.. thank you
tenmoi
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April 13, 2018, 12:18:55 AM
 #614

Miner 1.3.2 cant't shutdown if crash detected. System also can't reboot in this case. Only reset can help.
CPU usage in this case is 99%

Also in version 1.3.2 i can't see which card is crashed.

I am having this same issue. The only thing in the log file shows "watchdog: GPU crash detected, miner will try to restart" and then it hangs with 99% CPU usage. Version 1.3.1 didn't do this.

Can you add in the logging which GPU ID crashed to help narrow down hardware issues. Right now I don't see how logging is of any help.

This urgent. My rig crashed after 20 hours. But which gpu?
CryptoPlay
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April 13, 2018, 12:30:55 AM
 #615

Hello doktor,
My hashrate still drops with vega 64, even with 100% fan config in afterburner (8500 to 6000h/s for 6 gpu) after few minutes.
Do you think it is better to use overdrive for this or it will change nothing?

Is it a driver problem? I have Amd Crimson  016.001.001.000 , should i change?

Last question: i can set my mem clock to 1100 max, after this, it reboot my computer, is there a way to go higher, or will it change nothing?

Thanks a lot for your help!

I don't have Vega cards but i found on many many places on the net that vegas hashrate drops, so its not a miner related problem.
Maybe someone here who has Vega cards can help you ?

Yes, its not miner related.
Vega driver will monitor the temp of the CORE to adjust the fan rpm. But the key temp that causes hash drop is the HBM temp. Thats why people used to set the min fan rpm to 3000. HBM temp must be bellow 70!
Nobody mine with Crimson driver. Blockchain is the most used one. And yes, expect many bugs.

What is the Vega hash and config with this miner?

https://signature.statseb.fr/sig-2065.png
sylabis
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April 13, 2018, 12:32:25 AM
 #616

Wanna more than 200 at RX550 2Gb Buffin unlocked!
Please, help with config((

This card does 400 to 450.

The Lexa RX550 does 450, but not the Baffin RX550 with slow 1500 MHz memory.

The baffin RX 550 does 500 in CN/ CN7
tenmoi
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April 13, 2018, 02:13:53 AM
 #617

My rig crashed again after 8 hours. The log just says gpu crashed. Doktor, improve the log.
agrld
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April 13, 2018, 02:22:16 AM
 #618

Hey dok,

What's the word on all the rejected shares when mining at nicehash (about 5%)?
Could a fix be found?

Getting both outdated and invalid nonce rejects.
In comparison, gateless gate gives 0 rejects but speed is not on par poolside.

Same problem. Tried ggs too, 24 hour no rejected share
goodminer
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April 13, 2018, 03:10:21 AM
 #619

Hmm why this miner is trying to modify my win sys 32 dll file, antivirus warn me??
leonix007
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April 13, 2018, 03:23:32 AM
 #620

Hi there

This config for normalv7, i set intensity,   fixed value  (example: 44) ----> it's run  and has good hash (for xmr coin)
{
/* Type can be : normal, normalv7, lite, litev7, heavy, ultraheavy  */
"cryptonight_type" : "normalv7",

/* Intensity 0-> auto intensity, or value from 1-200  */
"intensity" : 44,

/* To use 2 threads per card set double_threads to true  */
"double_threads" : true,

but i change to heavy,  it's not run and has bug (for sumo coin)
{
/* Type can be : normal, normalv7, lite, litev7, heavy, ultraheavy  */ 
"cryptonight_type" : "heavy",

/* Intensity 0-> auto intensity, or value from 1-200  */
"intensity" : 44,

/* To use 2 threads per card set double_threads to true  */
"double_threads" : true,


Please help me

hi there

u must use half intensity

heavy using double memory

try 22 instead of 44

Or better switch to Auto mode "0", then observe which is the safest intensity used by the miner, you will now have your reference to use on each card.
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