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I want to like Overclockers UK as they have a good selection of PC parts that are hard to find elsewhere, although I've shopped with them for about 3 years and its just been one customer service disaster after another. I spent close to £2500 on GPU mining hardware last year and they shipped out wrong cards (Nvidia instead of AMD?!) on two occasions I had to return, I've RMA'd cards and been sent back completely different manufacturer B Stock models with no explanation and told that I can only keep it and deal with it or return it at my own expense for partial credit etc. Their website system of contact is a nightmare, I've tried to complain to management 3 times about my last issue and it keeps going through to another department that says they can't deal with it and I have to resubmit it..
I'm done with them, I've given them 5 or more chances to sort their shit out and they still fuck it up every time. I don't care if they're the only source of something in the UK, I'd rather not have it than buy it from them.
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Use a different exchange until they sort themselves out (when, if ever, is anybody's guess). If enough people do this then they might take a bit more notice.
For DOGE I use Vircurex.
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7990 is terrible for mining. Overpriced and major heat dissipation issues. Dont bother getting into to the game with anything less than the new r9 series, they are way cooler and a bit more efficient than the venerable 7950.
They could be had for a while at a great price working out cheaper than a 7950 per core. Undervolted and slightly underclocked they can produce 630kh/s per core at 70C - 75C for under 400W. No complaints here. |
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MSI R7950-TF3GD5/OCBE unlocked
MSI R7990-6GD5 voltage unlocked using afterburner beta 13.11
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Can CAT be easily modified to trade in on btc-e or bitstamp as well? With the current problematic issues on cryptsy, its a loss just to run this program on cryptsy.
I would be interested in BAT too. What you say Luca, can you do it ? If site owner have the same API yes, in 1 day i will be able to run CAT, but no one have equals Cryptsy API  +1 to porting it to another exchange, it seems like a great program but I've not really been able to put it to use as the balance and server issues on cryptsy just cause it to grind to a stop shortly after i set it running.. btc-e would be great, never had any reliability issues making trades over there. |
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Didn't realize there was another topic, haven't checked in on it for a while. My mistake. Thanks
And the three news items on bitfunder  https://bitfunder.com/asset/ADDICTION#pane_newsFor the short version: Important note regarding bitfunder As from this week we will not payout any dividends on Bitfunder anymore! Reason for this is twofold: - People are still experiencing issues getting btc out of bitfunder through weex - We want to finalize the transfer to direct shares If you still have direct shares please transfer them to direct shares (see below) OR send us a PM / email to confirm that the payout address in bitfunder is correct. As soon as you've done either, we'll payout the dividends still owed. We will send these out in batches though, so don't expect instant payment Wink Also please do not transfer shares in bitfunder to another person without letting us know! We cannot guarantee dividend payments will go well if you do that. Once again the transfer process: Transfer your shares to the ADDICTION accountname on bitfunder and send an email to p2poolnl@gmail.com containing: - Your bitfunder name - The number of shares transferred - The BTC address you want to use for payouts. Make sure you use an address you actually own and can sign messages with! Thanks, just sent email. I'd forgotten about the shares, checked up on them now and discovered this mess with Bitfunder! Oh well. Still need to figure out how to get my stuck BTC out, WeExchange is definitely broken.. |
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Any Info with what is going on here?
Bitfunder closing, no dividend payments since 10th November, no e-mails regarding the situation.
What is happening to our shares and where are the payments?
you may want to check the ADDICTION topic https://bitcointalk.org/index.php?topic=244042.0Didn't realize there was another topic, haven't checked in on it for a while. My mistake. Thanks |
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Any Info with what is going on here?
Bitfunder closing, no dividend payments since 10th November, no e-mails regarding the situation.
What is happening to our shares and where are the payments?
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As a follow up to this, thanks for the payment. Nice site, stable servers with very low rejects.
I had to go back to mining at Liteguardian though as the cgminer stats monitoring function is invaluable to me to keep track of exactly what is going on with my miners from the site, without having to log in to each one individually. Maybe something you could look to offer from your site, it is a very useful function.
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Back up to full 5MH, I'll schedule in an extra 12 hours on one rig to make up for the downtime
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I'm down to 2.5MH at the moment as it appears one of my housemates has decided to unplug the wireless router..  Luckily the other is cabled on a different switch. Will fix this evening when I get home. |
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In with 5MH
LUEug9zdd3h8xsY5gTa727xACXS9Z6smUc
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Something that sparked my curiosity from reading the last 10 pages, if you're against alts and convinced they're 'dead' and useless, WHY are you in the alt subforum?
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Any follow up on this? With the poor state of alts and the incoming winter utility price hikes, my GPU rigs are going to go into negative running costs unless I find a way to cut my electricity bill down..  (other than switching them off!). |
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I've had issues solo mining via a Windows client with multiple machines as well, just FYI. 2 machines was fine...but beyond that things would jam up. Could have been an easy fix (I'm not sure)...but I just tossed everything in an Ubuntu VM instead and haven't had an issue since.
Its already been concluded by the resident thread experts that it is not possible for there to be something up with the windows client. It's your hardware at fault  |
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Kriwest and Symzzi are known scammers. beware.
I don't know about any of their scams, but they sure don't seem to listen very well, or use much logic. This completely baseless accusation comes from where exactly? |
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I'm not new to mining, I'd hope by now I know how to set up, tune and troubleshoot a stable mining rig. You still have not put forward a valid reason as to how you believe a rig that can pool mine a coin indefinitely suddenly develops these suspected hardware instabilities from solo-mining the exact same coin. Anyway, after trawling way back in this thread here's another chap with what appears to be a very similar issue:
wow, I just solo mined a diff 350 block!
[2013-08-07 13:05:59] Accepted 000000c3 Diff 21.9M/309191 BLOCK! GPU 1
awesomesauce
Nice what's your hash rate that you are solo mining? 8Mh/s -- Dr Kimoto, here's what I'm getting from one of my miners after a few hours mining against the qt client:
[2013-08-07 13:20:01] Found block for pool 0!
[2013-08-07 13:20:01] Accepted 00002c07 Diff 381K/309191 BLOCK! GPU 0
[2013-08-07 13:21:06] New block detected on network
[2013-08-07 13:25:22] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:26:27] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:27:32] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:28:37] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:29:42] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:30:47] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:31:52] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:32:57] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:34:02] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:34:07] New block detected on network
[2013-08-07 13:35:07] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:35:12] New block detected on network
[2013-08-07 13:36:12] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:37:17] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:38:22] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:39:27] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:40:32] Pool 0 http://192.168.1.10:22222 not responding!
[2013-08-07 13:40:37] Network diff set to 294K
[2013-08-07 13:40:37] New block detected on network
You can see it's intermittent. Restarting the miner has no effect. Only restarting the qt client. megacoind has the same issue iirc. I'm running four cgminer instances plus one perl script polling stats every five minutes. (note: when the four miners are connected, the qt-client refuses the perl connection for stats (times out)) I do not have this issue with other coin qt clients. Please look into it if you can. Thanks I'm done losing uptime over it, I'll just stay in a pool, but instead of being told I'm wrong I thought someone might be interested enough to look into it. |
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There is nothing wrong with the hardware, this is a software problem. I leave the client open, with cgminer running and hashing away quite happily, come back hours later to cgminer idling and displaying a message like 'pool cannot be found' and the MEC client window gone, and the MEC client process closed for no apparent reason. If I manually open the MEC the client again, cgminer resumes hashing. It is only the client process that closes itself, the machine does not crash, its been up without issue for months.
If I can mine MEC in a pool for weeks on end without issue, how does solo mining change its load on the hardware? It makes no sense. Its doing exactly the same thing, just getting work from a different source.
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Still having the same issue with solo mining on windows 0.8.996 that I had on earlier client versions, the MEC client shuts itself down/crashes/exits after a few hours and cgminer stops getting any work..
Back in a pool for now but I'd rather solo mine if I can figure out whats going on. Any ideas?
How much RAM have you got? 8GB for 4 x 7950. This only happen with MEC, the rig has been mining LTC since March, but when i try to solo mine MEC it runs fine for a few hours then stops when the client (run with -server flag) exits itself. I've lost a lot of mining time over days to this problem in the past, just gave it another go as I was hoping the new client would fix it, but it still happens.. Still having the same issue with solo mining on windows 0.8.996 that I had on earlier client versions, the MEC client shuts itself down/crashes/exits after a few hours and cgminer stops getting any work..
Back in a pool for now but I'd rather solo mine if I can figure out whats going on. Any ideas?
For starters, be sure to have a pool set for backup ( --failover-only ) -- that way if any issues arise, at least your miner(s) jump over to the pool. I mine Megacoin solo almost exclusively...and the only issues I have ever had is drawing too much power on the host machine (which has 2x7990s in it) -- it would sometimes just shut down (so all of my other machines would stop getting work and fail over to the backup pool.) A beefier power supply took care of the issue. It seems to me like it may be a Windows issue -- fragments of some program either running in the background or gumming up your registry. 99% of the time, these types of issues are solved by re-installing Windows. If you're on Windows 8, the final 8.1 patch is rolling out and it's possible that will clean up whatever issue is causing your problem as well. Another suggestion would be to close the clients for other currencies if you don't need them open (LTC, CGB, etc.) Sometimes keeping too many of them running at once causes strange memory errors. Finally, my advise would be to use a pool at this point unless you have quite a bit of mining power. The small amount you lose in fees will likely be balanced out by getting a better average difficulty. I've seen brief periods where the Megacoin difficulty dips down below 6 in the past few days and it's nice to hit a ton of blocks on a pool during these low-difficulty periods. Yes, your chances go up mining solo as well, but with low hash power you are a lot less likely to get anything out of it. This is just a suggestion, however. I understand the appeal of solo-mining. Power supply is fine, 1250w for 4 x undervolted 7950's. Rig is clean install of windows 7, nothing but basic drivers and mining software + MEC client. 2.5 MH/s is enough for solo mining, even more so if I switch another couple of rigs over. |
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