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Author Topic: [1500 TH] p2pool: Decentralized, DoS-resistant, Hop-Proof pool  (Read 2034528 times)
kjj
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March 19, 2012, 06:16:50 PM
 #1441

I am testing my central p2pool node, finally on a real linux machine :-)

Strangely, p2pool reports way-too-low hashrates. I mine with constant 290Mh/s, all day now. P2pool says:

Quote
2012-03-19 19:02:01.592058 New work for worker! Difficulty: 0.107541 Share difficulty: 667.763165 Total block value: 50.028282 BTC including 39 transactions
2012-03-19 19:02:02.060129 P2Pool: 17395 shares in chain (17175 verified/17399 total) Peers: 10 (0 incoming)
2012-03-19 19:02:02.060293 Local: 11354kH/s in last 10.0 minutes Local dead on arrival: ~15.4% (2-40%) Expected time to share: 2.9 days
2012-03-19 19:02:02.060357  Shares: 0 (0 orphan, 0 dead) Stale rate: Huh Efficiency: Huh Current payout: 0.7961 BTC
2012-03-19 19:02:02.060422  Pool: 314GH/s Stale rate: 7.1% Expected time to block: 5.7 hours

I may or may not find a share every few hours. But it is in the two-digit Mh/s range all the time, thats what bugs me.. Cant be the dynamic difficulty adjustment, since it says "kH/s"? Lost here..

--version:
6b4c15a

Ente

edit: silly smilies in quote

Yeah, that is pretty bad.  To me, it looks like your miner is using your CPU and not your GPU.  Is your miner reporting normal speeds?

p2pcoin: a USB/CD/PXE p2pool miner - 1N8ZXx2cuMzqBYSK72X4DAy1UdDbZQNPLf - todo
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Ente
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March 19, 2012, 06:24:58 PM
 #1442

I think noone here said that forrestv doesnt deserve these 0.5%. All that shouting lately seems to be just a misunderstanding? Some people said that the 0.5% set as default is taken to attack p2pool, therefore to think about making opt-in instead of opt-out. I agree with you, kjj, that it should stay as it is, as opt-out. People who dont manage to do that would find a ton more "problems" and nag with the same questions over and over again, so I agree to "screw em".
I just get annoyed by such random, unasked use of "fuck you". We are all on the same side, not?

Ente
..aint even mad
echris1
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March 19, 2012, 06:29:28 PM
 #1443

I am testing my central p2pool node, finally on a real linux machine :-)

Strangely, p2pool reports way-too-low hashrates. I mine with constant 290Mh/s, all day now. P2pool says:

Quote
2012-03-19 19:02:01.592058 New work for worker! Difficulty: 0.107541 Share difficulty: 667.763165 Total block value: 50.028282 BTC including 39 transactions
2012-03-19 19:02:02.060129 P2Pool: 17395 shares in chain (17175 verified/17399 total) Peers: 10 (0 incoming)
2012-03-19 19:02:02.060293 Local: 11354kH/s in last 10.0 minutes Local dead on arrival: ~15.4% (2-40%) Expected time to share: 2.9 days
2012-03-19 19:02:02.060357  Shares: 0 (0 orphan, 0 dead) Stale rate: Huh Efficiency: Huh Current payout: 0.7961 BTC
2012-03-19 19:02:02.060422  Pool: 314GH/s Stale rate: 7.1% Expected time to block: 5.7 hours

I may or may not find a share every few hours. But it is in the two-digit Mh/s range all the time, thats what bugs me.. Cant be the dynamic difficulty adjustment, since it says "kH/s"? Lost here..

--version:
6b4c15a

Ente

edit: silly smilies in quote

You have a pretty high local dead on arrival.  I don't know what miner your using, but with cgminer recommended settings are 1 GPU thread (-g 1) and lowering your intensity a bit, that helps with that.  The other part I don't really get is how you have such a high payout with such a low hashrate.  According the http://p2pool.info/ you would need almost 5GH/s to get that.

----edit---
ugh, i see the smilies you mean now, i need to go and find how to turn those off...
Ente
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March 19, 2012, 06:31:45 PM
 #1444

Yeah, that is pretty bad.  To me, it looks like your miner is using your CPU and not your GPU.  Is your miner reporting normal speeds?

Miner (Guiminer, poclbm) says between 280 and 290Mh/s constantly for hours now. It solved 330 diff-1 shares in the last hour, which seems about right. A 300Mh/s miner should solve 250 diff-1 shares per hour.. Miner says zero stales too..

Ente

EDIT:

what the..
After it ran at 10% the whole day, now it gets faster and faster! Its at 200Mh/s already! Just at it finished "verifying" the sharechain? Might that be the reason? It initially downloaded the sharechain in minutes, but took at least two days to "verify" each shareblock, one after another?

EDIT2:

It stabilized at 250Mh/s. All fine here now.
Strangely, the /graphs says it was right between 250 and 300Mh/s all day? hmm..

Thank you for your help and thoughts!

Ente
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March 19, 2012, 06:38:10 PM
 #1445

I don't believe guiminer works properly w/ p2pool but I could be wrong.  At one time other miners (except cgminer) had problems w/ p2pool but it looks like they have all been patched (except guiminer).  Still why use guiminer?  It hasn't been updated in 6 months and likely never will.
Ente
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March 19, 2012, 06:49:01 PM
 #1446

I don't believe guiminer works properly w/ p2pool but I could be wrong.  Still why use guiminer.  It hasn't been updated in 6 months and likely never will.

I'm glad I convinced him to use p2pool (although oh-so-horrible variance and payout), convinced him that a shell isnt evil, and convinced him that a central node isnt more likely to crash than local nodes on every miner..
He still prefers a Gui and sticks to windows..

When I have it all set up with a central monitoring point for each miner I'll see if we switch to a a more recent (shell-) miner.. ;-)

Ente
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March 19, 2012, 06:52:13 PM
 #1447

I don't believe guiminer works properly w/ p2pool but I could be wrong.  Still why use guiminer.  It hasn't been updated in 6 months and likely never will.
Tested GuiMiner on LinuxCoin with my p2pool. Doesn't works.
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March 19, 2012, 07:43:14 PM
 #1448

b) Since when p2pool starts up it displays a lot of "house keeping" type messages having something like
Code:
2012-03-19 9:00:43 Donating 0.5% of gross revenue for the continued support and upkeep or p2pool.  Thank you for your support

or

Code:
2012-03-19 9:00:43 You currently have donations disabled.  p2pool is open source and provided at no cost however your financial contribution ensures continued support and upgrades.  Please consider a manual donation or enable automatic donations with the command line argument --give-author <pct amount>.
I think this would be a really simple thing to implement.  If someone doesn't read the --help and then doesn't read the startup messages, then they don't deserve to complain.  Of course, I don't think they should complain about 0.5% to the author anyways.

Syke
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March 19, 2012, 09:59:45 PM
 #1449

1. I'm a cheapkate.
2. I'm lazy.

If the default donation was 0% I would never change it. A meager default donation (which can be turned off)  in exchange for developing the awesome p2pool is an extremely fair request. About 40% of the network has already turned off the donation. I'm afraid if the default was off, the donations would drop considerably. At less than 1 btc per day, the donations are quite small for all the hard work developing p2pool.

Leave the default donation on.

Buy & Hold
runeks
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March 20, 2012, 12:28:23 AM
 #1450

I agree that the default donation should be left on.

I also agree that the fact that donation is on by default should be in the first post of this thread, clearly stated so that it doesn't come as a surprise to anyone (it came as a surprise to me). The criticism doesn't revolve around the author being undeserving of the 0.5%, it pertains to people not being informed of the fact that they are donating. I agree this should be changed. The suggestions of DeathAndTaxes would be sufficient, I think.
coretechs
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March 20, 2012, 12:46:37 AM
 #1451

Assume that part of all the subsidies you have received cover the 0.5% default donation, get over it, and continue mining with p2pool, keeping the 0.5% donation enabled.  Smiley

I also agree it should be added to the first post for people who don't read basic instructions for software they are running.

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Shadow383
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March 20, 2012, 03:23:02 AM
 #1452

My node luck's been horrible  Roll Eyes

Running 2.5-4Gh/s for the past couple of hours, one share found  Shocked
NothinG
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March 20, 2012, 05:25:23 AM
 #1453

As I was writing a PM to OP, I stumbled over my own theory.

Code:
Could you add something into the code for people to publish their version publicly?
I've got the public node list setup (http://nodes.p2pmine.com) and was wanting to sort the latest versions with the longest up-time.

Also, could you have a site that would also publish the most up-to-date version?

Actually, I guess in all essence the sourcecode is public and easily modifiable. So, who knows what version people are actually running...
Nevermind. _._

dub0matic
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March 20, 2012, 07:12:29 AM
 #1454

this just popped up does it mean anything.
Quote
2012-03-20 02:10:18.525000 ALERT: ('\x01\x00\x00\x00\xf6\xfacO\x00\x00\x00\x00\x
f2*EQ\x00\x00\x00\x00\xf3\x03\x00\x00\xf2\x03\x00\x00\x00P\xc3\x00\x00|\xc4\x00\
x00\x00\x88\x13\x00\x00\x00JURGENT: security fix for Bitcoin-Qt on Windows: http
://bitcoin.org/critfix\x00', '0E\x02!\x00\xf4\xbd>d\xa1\x07w\x99\xc8\xd7Z\xa5\xb
fGUd\x93\xceXF\x96P\x98\xea"\xa68\xbfW\xde\x8c\xa9\x02 -\xda\xe4\xa4\xc9-N\xe4\x
fa&G\xdb\x94dQ\x819\xdd\xd4\x8fW\xe0\xa0Q\x04Ew\tr\xa2Y\x0b')

make it rain haha
btc 176MrZ3CCXGb1GqFiGaoqQpaynzYqZsW6n
NothinG
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March 20, 2012, 07:18:33 AM
 #1455

this just popped up does it mean anything.
Quote
2012-03-20 02:10:18.525000 ALERT: ('\x01\x00\x00\x00\xf6\xfacO\x00\x00\x00\x00\x
f2*EQ\x00\x00\x00\x00\xf3\x03\x00\x00\xf2\x03\x00\x00\x00P\xc3\x00\x00|\xc4\x00\
x00\x00\x88\x13\x00\x00\x00JURGENT: security fix for Bitcoin-Qt on Windows: http
://bitcoin.org/critfix\x00', '0E\x02!\x00\xf4\xbd>d\xa1\x07w\x99\xc8\xd7Z\xa5\xb
fGUd\x93\xceXF\x96P\x98\xea"\xa68\xbfW\xde\x8c\xa9\x02 -\xda\xe4\xa4\xc9-N\xe4\x
fa&G\xdb\x94dQ\x819\xdd\xd4\x8fW\xe0\xa0Q\x04Ew\tr\xa2Y\x0b')
Looks like an attempt at an exploit.
Do you have everything updated to the latest (Bitcoin & P2Pool)?

Krak
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March 20, 2012, 07:19:41 AM
 #1456

this just popped up does it mean anything.
Quote
2012-03-20 02:10:18.525000 ALERT: ('\x01\x00\x00\x00\xf6\xfacO\x00\x00\x00\x00\x
f2*EQ\x00\x00\x00\x00\xf3\x03\x00\x00\xf2\x03\x00\x00\x00P\xc3\x00\x00|\xc4\x00\
x00\x00\x88\x13\x00\x00\x00JURGENT: security fix for Bitcoin-Qt on Windows: http
://bitcoin.org/critfix\x00', '0E\x02!\x00\xf4\xbd>d\xa1\x07w\x99\xc8\xd7Z\xa5\xb
fGUd\x93\xceXF\x96P\x98\xea"\xa68\xbfW\xde\x8c\xa9\x02 -\xda\xe4\xa4\xc9-N\xe4\x
fa&G\xdb\x94dQ\x819\xdd\xd4\x8fW\xe0\xa0Q\x04Ew\tr\xa2Y\x0b')
Looks like an attempt at an exploit.
Do you have everything updated to the latest (Bitcoin & P2Pool)?
Yeah, that sounds like the problem that was fixed in 0.6 RC4.

BTC: 1KrakenLFEFg33A4f6xpwgv3UUoxrLPuGn
dub0matic
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March 20, 2012, 07:28:07 AM
 #1457

ahh yes i needed to update bitcoin went to .5.3.1

make it rain haha
btc 176MrZ3CCXGb1GqFiGaoqQpaynzYqZsW6n
echris1
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March 20, 2012, 07:37:49 AM
 #1458

this just popped up does it mean anything.
Quote
2012-03-20 02:10:18.525000 ALERT: ('\x01\x00\x00\x00\xf6\xfacO\x00\x00\x00\x00\x
f2*EQ\x00\x00\x00\x00\xf3\x03\x00\x00\xf2\x03\x00\x00\x00P\xc3\x00\x00|\xc4\x00\
x00\x00\x88\x13\x00\x00\x00JURGENT: security fix for Bitcoin-Qt on Windows: http
://bitcoin.org/critfix\x00', '0E\x02!\x00\xf4\xbd>d\xa1\x07w\x99\xc8\xd7Z\xa5\xb
fGUd\x93\xceXF\x96P\x98\xea"\xa68\xbfW\xde\x8c\xa9\x02 -\xda\xe4\xa4\xc9-N\xe4\x
fa&G\xdb\x94dQ\x819\xdd\xd4\x8fW\xe0\xa0Q\x04Ew\tr\xa2Y\x0b')

This isn't an attempt at an exploit, its more like a public service announcement letting you know about a vulnerability so you can upgrade.

I believe the stuff around the text is a PGP signature, but I could be wrong.
NothinG
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March 20, 2012, 07:42:49 AM
 #1459

this just popped up does it mean anything.
Quote
2012-03-20 02:10:18.525000 ALERT: ('\x01\x00\x00\x00\xf6\xfacO\x00\x00\x00\x00\x
f2*EQ\x00\x00\x00\x00\xf3\x03\x00\x00\xf2\x03\x00\x00\x00P\xc3\x00\x00|\xc4\x00\
x00\x00\x88\x13\x00\x00\x00JURGENT: security fix for Bitcoin-Qt on Windows: http
://bitcoin.org/critfix\x00', '0E\x02!\x00\xf4\xbd>d\xa1\x07w\x99\xc8\xd7Z\xa5\xb
fGUd\x93\xceXF\x96P\x98\xea"\xa68\xbfW\xde\x8c\xa9\x02 -\xda\xe4\xa4\xc9-N\xe4\x
fa&G\xdb\x94dQ\x819\xdd\xd4\x8fW\xe0\xa0Q\x04Ew\tr\xa2Y\x0b')

This isn't an attempt at an exploit, its more like a public service announcement letting you know about a vulnerability so you can upgrade.

I believe the stuff around the text is a PGP signature, but I could be wrong.
Looks like hex obfuscation of malicious code.
I could be wrong though, it could just be a warning.


http://www.technicalinfo.net/papers/CSS.html
Code:
The hex value of a character may be used, often done for non-printable characters. Such as:
x00 Null bytes for truncating strings
x04 EOF for faking the end of files
x08 Backspace x0a New Line for extra command execution
x0d New Line for extra command execution
x1b Escape character for breaking out of procedures
x20 Spaces for faking URLs and other names
x7f Delete

runeks
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March 20, 2012, 07:47:35 AM
 #1460

Looks like hex obfuscation of malicious code.
I could be wrong though, it could just be a warning.
Can you recognize malicious code from hex? Smiley
I know these messages include a signature, so we can verify that this message indeed came from the authors. So it would make sense if the extra data is a signature (which will not be ASCII).
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