Thats why I wrote a watchdog script, in windows, for dead / sick GPU's through the API then it simply restarts cgminer on a windows machine and continues mining like normal.
Yes, I am trying to do something similar in Linux, you are quite right. |
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So, the only way Boxman90 could have committed a crime would be if NWO committed a crime. Pre-mining a digital currency isn't a crime, so this does not apply.
1. Pre-mining, in and on its own is not. Representing to people that it was not pre-mined and causing financial losses or disadvantages is a crime, possibly a fraud. 2. Extortion, whatever form it takes, is a crime. For example, one can threaten to publish embarrassing photos about a person if the person does not pay. It is clearly extortion and it is clearly a crime. This. Except NWO never promised there would be 0 premine. He always said there would be a very small premine to pay the programmer and to give some for free (bounties and giveaway). I thought that was pretty upfront and honest. I don't see the big problem, 50k coins is a drop in the Ocean compared to all the other premines (including the Litecoin one - some were GPU mining it from the get go ...) - Extortion though, is a crime and is illegal and immoral. The only bad person here is Boxman90 who wanted to extort for 25.000 Powercoins. I did not accuse NWO of anything. All I said is that if NWO pre-mined and denying having done so to the public, then it would be a crime. |
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For scrypt mining, you do not want low memory or low voltage.
Do not undervolt the card.
Set memory clock to 1500 and core to 1050, and see what happens. Also worth trying: memory to 1375 and core to 833.
But before you do any of that, please tell us the manufacturer of the cards.
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So, the only way Boxman90 could have committed a crime would be if NWO committed a crime. Pre-mining a digital currency isn't a crime, so this does not apply.
1. Pre-mining, in and on its own is not. Representing to people that it was not pre-mined and causing financial losses or disadvantages is a crime, possibly a fraud. 2. Extortion, whatever form it takes, is a crime. For example, one can threaten to publish embarrassing photos about a person if the person does not pay. It is clearly extortion and it is clearly a crime. |
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But the system needs rebooting and the device is unusable. What is the purpose of detaching cgminer from the device?
To try to unload the driver and reload it. |
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I am not sure which jurisdiction the people involved in this saga are living in. In general, my understanding is that there is one and only one legal threat: "If you do not pay, I will sue you."
If the lawsuit is unrelated, it can still be considered "abuse of process," but other than that, it is a perfectly legitimate tool to coerce people into compliance with the law.
Threatening to publish something about someone or someone's work if the person refuses to pay (or do something) does strike me as a form extortion. At least it would likely be viewed as such under the Criminal Code of Canada (s. 346).
Now as for the coin itself, if it was pre-mined, and the creator represented to the public to the contrary, then the creator may also be committing some sort of fraud.
But two wrongs do not make a right: If Boxman90 had a reason to believe that NWO was involved in wrongdoing, then he had every right to publish it, because arguably it was in the public interest. But he did not have the right to use it to demand payment from NWO.
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What exactly would you have cgminer do? It can usually keep adjusting fanspeeds and gpu engine speeds, but it is attached to the driver in such a way that it can't detach itself, and since the machine needs a reboot to fix the corruption, I'm not sure what you expect cgminer to do about it?
I guess you already answered the question: "it is attached to the driver in such a way that it can't detach itself". I was wondering if this can be changed. |
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Cgminer can't keep mining on windows either, even if your driver does reset, the existing cgminer is tied to the old driver. The difference is the windows AMD driver is better than the linux AMD driver because the windows driver uses a different model where it can detach a crashed driver and then attach a fresh one. On linux, because AMD do not work with the linux kernel crew and provide a driver not supported by the linux kernel development process, it wedges itself into the kernel as best as it can which means that when the driver crashes, the linux kernel actually becomes corrupted and any process attached to it (such as cgminer) is hung in an unrecoverable state and only a reboot will fix it.
I see. Getting something changed on the AMD end is almost hopeless, I guess, so I do wonder, is there a way to fix this (at least in part) on the end of cgminer? |
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There is no way to reset it in linux if the driver crashes. It requires a reboot.
What is the reason that this is possible in Windows? Is the Linux driver different, or is it something to do with cgminer? |
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Generally if the GPU is sick / dead that means the system survived an AMD driver reset already - hence the gpu stopped responding in CGMINER. I wrote a script in windows to restart cgminer if such a situation has occurred because, after restarting cgminer it continues mining w/ all GPU's once again.
In Linux, I find that it is impossible to completely quit (or kill) cgminer in such situations. |
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Coinchose and all other profitability websites are totally flawed. There is no way to calculate real profitability unless number of new coins per hour is taken into consideration.
All coinchose does is tells you that if the prices remain the same as they are and if the difficulty remains the same, then which coin is most profitable to mine. (It does take into accoint the reward and the difficulty). What these sites do not and probably cannot account for is the fluctuation in the exchange rates. |
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If it was just the amd driver failure then YES! I've found with my setup that if I enable and then disable crossfire it resets the driver if that is all that has crashed after playing with o/c settings.
I am referring to a case where the GPU gets locked up, and it is declared SICK/DEAD by cgminer. |
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i5 3330 (desktop)
i3 3220 (desktop)
i7 26xxQM (laptop)
i5 2xxx (laptop)
use minerd
Would you mind posting the hash rate you got on each of these processors? |
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Ok, is there one for "efficient implementation" for GPU yet ?
Looking at the YAC pools and the speeds listed there, I am pretty sure there is one, but those who do have it seem to be keeping it their secret. It is almost as bad as premining. |
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Throwing 4 CPUs at it for a total of 600kh/s and the estimate is 14 coins/day
that's about 0.012 BTC / day for current price.
Which CPUs are you using? The most I have been able to get is 10kh/s per CPU, for a total of 40kh/s for all four. |
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Eh, you really need 40-60? 33-66 will do  Why would you need such a feature anyway? Ideally, I would like to see arbitrary percentages, to optimize one's variance as a function of the pool's size. |
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I guess, if you want a certain pool to receive a higher number of shares than the other(s) you can add it twice in the config and use the load balance strategy.
So, for 40-60, I would need to add one 2 times the other 3 times. But implementing the same thing within cgminer should not be that difficult. |
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Is there a way to reset a locked GPU without restarting the entire rig (i.e., soft-reset)?
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Massive task, not interested.
At least item (a) (unequal balancing) would be only a minor tweak of the balancing strategy, would it not? |
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