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Author Topic: OFFICIAL CGMINER mining software thread for linux/win/osx/mips/arm/r-pi 4.9.2  (Read 4818097 times)
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chewie
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October 28, 2012, 08:29:37 PM
 #7781

CGminer crashed on me again today with an error message "Cgminer program has stopped suddenly" or something to that sort.  Anyhow, I could see behind the error message popup, and it looks like Cgminer put a GPU to REST mode, and then tried to re-enable it, and this is when it crashed.  I'm currently on W7 with version 2.8.5.  Thanks!
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October 28, 2012, 08:40:43 PM
 #7782

CGminer crashed on me again today with the "Cgminer program has stopped suddenly" or something to that sort.  Anyhow, I could see behind the message popup, and it looks like Cgminer put a GPU to REST mode, and then tried to re-enable it, and this is when it crashed.  I'm currently on W7 with version 2.8.5.  Thanks!
REST is usually due to an overheat event, unlike SICK and DEAD.

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October 28, 2012, 08:49:03 PM
 #7783

Thanks for the reply.  I don't think that REST and re-enabling a GPU should be causing it to crash.  I'm currently mining on a pool that uses var diff also.  Not sure it that help.
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October 28, 2012, 08:50:01 PM
 #7784

Thanks for the reply.  I don't think that REST and re-enabling a GPU should be causing it to crash.  I'm currently mining on a pool that uses var diff also.  Not sure it that help.
I wasn't saying that was necessarily the cause of the crash, but it's worth noting that you had an overheat anyway.

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October 28, 2012, 08:51:01 PM
 #7785

I got a share that registered a diff of 7.58M  Grin

That was a block solve for mtred since current difficulty is just over 3 million. Smiley

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October 28, 2012, 08:55:46 PM
 #7786

I got a share that registered a diff of 7.58M  Grin

That was a block solve for mtred since current difficulty is just over 3 million. Smiley

nice!  the biggest I've seen is a few k so far.

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October 28, 2012, 09:15:56 PM
 #7787

I got a share that registered a diff of 7.58M  Grin

That was a block solve for mtred since current difficulty is just over 3 million. Smiley
You should add a stat upon shutdown for highest difficulty achieved. I noticed you already put in one for telling you when you found a block. Smiley

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October 28, 2012, 09:18:26 PM
 #7788

I got a share that registered a diff of 7.58M  Grin

That was a block solve for mtred since current difficulty is just over 3 million. Smiley
You should add a stat upon shutdown for highest difficulty achieved. I noticed you already put in one for telling you when you found a block. Smiley
Already underway Wink

This is new in the display of the next version:
Code:
Block: 029a31ecc6e1269154fd5c6b...  Started: [08:12:07]  Best share: 7.58M

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October 28, 2012, 09:25:29 PM
 #7789

Already underway Wink

This is new in the display of the next version:
Code:
Block: 029a31ecc6e1269154fd5c6b...  Started: [08:12:07]  Best share: 7.58M

Very cool, can't wait. Cheesy

How does cgminer know if it found a block? It doesn't know the network difficulty, does it?

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October 28, 2012, 09:28:52 PM
 #7790

Already underway Wink

This is new in the display of the next version:
Code:
Block: 029a31ecc6e1269154fd5c6b...  Started: [08:12:07]  Best share: 7.58M

Very cool, can't wait. Cheesy

How does cgminer know if it found a block? It doesn't know the network difficulty, does it?
It does, from the work.

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chewie
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October 28, 2012, 09:33:13 PM
 #7791

As a side note, I also have been getting a lot of BFL0 Comms Error or garbled message lately.  I also tried moving the BFL single over to a USB 3.0 port on the same rig, but I'm still getting the same messages.
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October 28, 2012, 10:01:43 PM
 #7792

As a side note, I also have been getting a lot of BFL0 Comms Error or garbled message lately.  I also tried moving the BFL single over to a USB 3.0 port on the same rig, but I'm still getting the same messages.
Usually caused by either of throttling or bad USB cables

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October 28, 2012, 10:03:26 PM
 #7793


Already underway Wink

This is new in the display of the next version:
Code:
Block: 029a31ecc6e1269154fd5c6b...  Started: [08:12:07]  Best share: 7.58M


I wondered when that snuck in (compiled from git yesterday). best share so far 104k.

been running great under windows vista/7 so far.

Thanks!

EDIT: say, what does "rejected <hash, stats etc> job '57f7' not found" mean?
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October 29, 2012, 02:05:34 AM
 #7794

been running great under windows vista/7 so far.

Thanks!

EDIT: say, what does "rejected <hash, stats etc> job '57f7' not found" mean?
With stratum mining that's whatever return code the server has given you for the rejection. That one usually means it has asked you to start on new work and that share is from the old work. i.e. stale.

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October 29, 2012, 02:12:30 AM
 #7795

New versions -> 2.8.7, 29th October 2012

Mainly stratum fixes for windows plus minor tweaks and cosmetic changes.


Human readable changelog

After much wrestling I've discovered that windows happily sends stuff into sockets for a long time after they're dead and finally found a workaround that would realise it couldn't send them. I'm assuming the crashes people were seeing on windows are related to overflows with this phenomenon and hopefully this will improve stratum reliability further on windows.
Pool timeouts on unresponsive pools with stratum should be picked up sooner.
Failure to submit shares with stratum now also registers as an RF remote failure.
Kano tracked down a longstanding memory leak which was small but did add up over time when GPU mining.
There is a new "compact" display mode you can specify with --compact or enable it in the menu during runtime which only shows the summary stats and not a line for each device, in case you have heaps of devices and they don't fit on screen.
The best share difficulty is now displayed in the status window at the top, and in the summary on exiting.
Some details have been trimmed from the pool listing in the status window in the interest of screen real estate efficiency.


Full changelog

- Fail on select() failing in stratum thread without needing to attempt
recv_line.
- Add share to stratum database before sending it again in case we get a
response from the pool before it's added.
- Shorten the initiate stratum connect timeout to 30 seconds.
- Shorten the stratum timeout on read to 90 seconds to detect unresponsive pool.
- Display best share difficulty on exit.
- Make stratum socket fail more robust on windows by disabling the send buffer.
- Reuse the same curl handle forcing a new connection instead of risking
derefencing.
- Add information about submission failure to stratum send.
- Only add stratum share to database if we succeeded in submitting it, with a
debug output saying it succeeded.
- Use keepalive with stratum sockets to improve its ability to detect broken
connections.
- Show only the URL in the status bar to avoid long prefixes making for extra
long lines.
- Display compact status in menu and update README to reflect current menu
entries.
- Add a compact display mode that does not list per device statistics in the
status window.
- Add blank spaces after best share displayed.
- Round a few static string arrays up to 4 byte boundaries for ARM.
- Display best share diff for scrypt as well.
- Show the best diff share as "best share" and add info to the README.
- Display the best diff share submitted so far.
- Redundant check.
- The work struct pointer in struct pc_data in findnonce is never freed yet
there is no need to allocate it separately so make struct work a static part of
the struct pc_data.

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October 29, 2012, 03:26:58 AM
 #7796

cut/paste ...

2.8.6
An Xubuntu 11.04 x86_64 executable is in my github downloads called cgminer-2.8.6a
https://github.com/kanoi/cgminer/downloads
(it also works on Fedora 16 and 17)

For anyone who didn't realise, it's just the executable file to put in place of 'cgminer'
Nothing else needs changing
First get and extract the full binary release from ckolivas and then copy my file in place of 'cgminer'

No problems so far on my '2xGPU+2xIcarus', 'BFL' or 'MMQ' rigs (1.5hrs so far) on OzCoin (i.e. no Stratum)

The same configure options as cvolivas' binary version
In case anyone was wondering:
CFLAGS="-O2 -W -Wall" ./autogen.sh --enable-icarus --enable-bitforce --enable-ztex --enable-modminer --enable-scrypt
make clean
make

---

N.B. MMQ still not working on Windows but of course works great on Linux Smiley

Edit: updated - 1.5hrs

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October 29, 2012, 04:32:05 AM
 #7797

Testing 2.8.6 on Win7 x64.

There are lots of messages "Accepted untracked stratum share" among regular "Accepted 68132465..." ones.
What do they mean?

p.s. It took about 50 sec to recover normal operations when I switched to another wifi network.
And it died when I switched back.

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October 29, 2012, 04:36:30 AM
 #7798

Testing 2.8.6 on Win7 x64.

There are lots of messages "Accepted untracked stratum share" among regular "Accepted 68132465..." ones.
What do they mean?

p.s. It took about 50 sec to recover normal operations when I switched to another wifi network.
And it died when I switched back.
That means the stratum pool you are mining with is returning "accepted" messages without the same ID that cgminer sent the share with, so cgminer doesn't know which shares the pool is accepting. The communication is all done asynchronously and cgminer keeps a database of sent shares so that when it gets a response from the pool it can tell you which share it was.

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October 29, 2012, 05:00:58 AM
 #7799

Testing 2.8.6 on Win7 x64.

There are lots of messages "Accepted untracked stratum share" among regular "Accepted 68132465..." ones.
What do they mean?

p.s. It took about 50 sec to recover normal operations when I switched to another wifi network.
And it died when I switched back.
That means the stratum pool you are mining with is returning "accepted" messages without the same ID that cgminer sent the share with, so cgminer doesn't know which shares the pool is accepting. The communication is all done asynchronously and cgminer keeps a database of sent shares so that when it gets a response from the pool it can tell you which share it was.
Actually come to think of it, perhaps the results are coming back before the database entry is even being created. Hmm

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October 29, 2012, 05:41:30 AM
 #7800

Hold on while I respin the 2.8.6 release as 2.8.7 Roll Eyes ... it hasn't been out that long  Tongue

Pretend you didn't see anything...

Primary developer/maintainer for cgminer and ckpool/ckproxy.
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