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Author Topic: Low Hash Rate After Gaming  (Read 2897 times)
JackBits (OP)
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April 25, 2013, 07:28:34 AM
 #1

When I go back to the desktop after gaming and start cgminer, I get really low hash rates in the single digits (usually get well over 350k for scrypt). If I reboot, all returns to normal. Of course its a pain to have to reboot to switch from gaming to mining, so I'd rather not have to do this. Seems like the video card is not being restored after the games are shut down. I tried the GPU restart in cgminer, but it didn't help. Anyone know what might be causing the issue or have this happen?

Here are system details:
Games this happens with: Stalker Pripyat, Call of Juarez, Battlefield 3, maybe others
Video Card: XFX 7850 Double D 1GB
Drivers:13.1 Catalyst
Windows 7 Ultimate, DX 11
CPU: E8400 @ 3GHz
RAM: 3GB (Max MB will run reliably)
MB: Gigabyte P35-DS3L
cgminer 2.11.4
LiteBurner
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April 25, 2013, 07:42:21 AM
 #2

You're lucky--I have to switch ati drivers when I go from mining to gaming (medal of honor won't run with the latest drivers, and cgminer won't run without them).
Beremat
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April 25, 2013, 04:00:01 PM
 #3

It's the same issue as I have here. The miner ends up being loaded in "dynamic memory" and mines really slowly. You can see this in GPU-Z. Haven't found a fix yet.

JackBits (OP)
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April 25, 2013, 10:23:41 PM
 #4

Thanks for the replies. Seems like its an issue then between cgminer and windows/drivers.
stef942
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July 18, 2013, 07:38:52 AM
 #5

hi, i have the same problem with a Sapphire hd 7850, i mine Litecoin at 360-370 kh/s but if i close cgminer and restart it, i get 20-30 kh/s Huh
i also have to reboot to recover normal hashrate.

is there a fix or something to do to solve this problem? thanks
vingaard
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July 18, 2013, 07:51:41 AM
 #6

hi, i have the same problem with a Sapphire hd 7850, i mine Litecoin at 360-370 kh/s but if i close cgminer and restart it, i get 20-30 kh/s Huh
i also have to reboot to recover normal hashrate.

is there a fix or something to do to solve this problem? thanks

I understand you... I have exactly the same problem and the only thing I can do is to restart system... Huh
Garr255
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July 18, 2013, 07:55:39 AM
 #7

Hey guys, I have three years of mining experience and I can't stress enough that mining is always significantly easier in linux, whether it's CPU, GPU, FPGA, or ASIC!

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July 18, 2013, 08:10:16 AM
 #8

Try to start with lower intensity after gaming. works for me  Smiley
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July 18, 2013, 08:18:13 AM
 #9

i have found that playing a video or running the copperlark miner for a minute, and then start cgminer again will fix the hashrate for me quickly.  just try running something simple that will make use of your card and it should go back to normal.  not very tech but it works for me Smiley

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July 18, 2013, 08:23:41 AM
 #10

13.1  is not a good driver always have a problem when using this version.
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July 18, 2013, 08:39:29 AM
 #11

Try to close all your browsers and Skype after your gaming session, happened to me twice, the first time I had to reboot but the second time, I tried something: closing Chrome and Skype helped.
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July 18, 2013, 08:51:41 AM
 #12

What is your bat file looking like?

If you are using powertune and go from gaming to mining or from mining even back to mining it can get messed up and reduce hash rate by a hundred or more Kh/s.

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stef942
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July 18, 2013, 10:06:45 AM
 #13

- tip to play video doesn't work  Embarrassed
- dont have chrome or skype installed  Embarrassed
- dont use bat.file, i use .conf file, tried command line >>same  Embarrassed

In fact after restart of cgminer, gpu and mem are at stock 2d values , it is like cgminer can not read or load the config file Huh
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July 18, 2013, 10:13:17 AM
 #14

press win + pause, go to device manager up left corner of the window- select display adapters - right clock on the device and disable - after right click again over the vga and select enable Wink

any contribution to my BTC wallet is appreciated 1FVMTztraLQZJGA2Gd7Ah9vJiFXLF9joVr  Grin

stef942
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July 18, 2013, 11:09:12 AM
 #15

aaaaaaaaaaaaaaaaaahhhhhhhhhhhhhhhhhhhh, it works  Grin  thanks!!!
vingaard
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July 19, 2013, 10:09:28 PM
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press win + pause, go to device manager up left corner of the window- select display adapters - right clock on the device and disable - after right click again over the vga and select enable Wink

any contribution to my BTC wallet is appreciated 1FVMTztraLQZJGA2Gd7Ah9vJiFXLF9joVr  Grin



Thanks  Grin

But... one question... may I set that process into a bat file?
mercSuey
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July 19, 2013, 10:14:40 PM
 #17

press win + pause, go to device manager up left corner of the window- select display adapters - right clock on the device and disable - after right click again over the vga and select enable Wink

any contribution to my BTC wallet is appreciated 1FVMTztraLQZJGA2Gd7Ah9vJiFXLF9joVr  Grin



Thanks  Grin

But... one question... may I set that process into a bat file?

command line:

C:\windows\system32>Taskkill /*process name* /F

save as batch file
vingaard
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July 19, 2013, 10:21:05 PM
 #18

press win + pause, go to device manager up left corner of the window- select display adapters - right clock on the device and disable - after right click again over the vga and select enable Wink

any contribution to my BTC wallet is appreciated 1FVMTztraLQZJGA2Gd7Ah9vJiFXLF9joVr  Grin



Thanks  Grin

But... one question... may I set that process into a bat file?

command line:

C:\windows\system32>Taskkill /*process name* /F

save as batch file

Yes... but correct me if I'm wrong.. this is for a running program and what I want is to disable the graphic card and after enable again and put both actions in one batch file... may I do this with taskkill command?
mercSuey
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July 19, 2013, 10:33:05 PM
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press win + pause, go to device manager up left corner of the window- select display adapters - right clock on the device and disable - after right click again over the vga and select enable Wink

any contribution to my BTC wallet is appreciated 1FVMTztraLQZJGA2Gd7Ah9vJiFXLF9joVr  Grin



Thanks  Grin

But... one question... may I set that process into a bat file?

command line:

C:\windows\system32>Taskkill /*process name* /F

save as batch file

Yes... but correct me if I'm wrong.. this is for a running program and what I want is to disable the graphic card and after enable again and put both actions in one batch file... may I do this with taskkill command?

Nah, I misunderstood.  If the solution was to kill the process in task manager then you can use the command line I posted.  Else you can use a tool that will save the command line args, like this one:

http://en.kioskea.net/faq/1886-enable-disable-a-device-from-the-command-line
vingaard
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July 19, 2013, 10:47:40 PM
 #20

press win + pause, go to device manager up left corner of the window- select display adapters - right clock on the device and disable - after right click again over the vga and select enable Wink

any contribution to my BTC wallet is appreciated 1FVMTztraLQZJGA2Gd7Ah9vJiFXLF9joVr  Grin



Thanks  Grin

But... one question... may I set that process into a bat file?

command line:

C:\windows\system32>Taskkill /*process name* /F

save as batch file

Yes... but correct me if I'm wrong.. this is for a running program and what I want is to disable the graphic card and after enable again and put both actions in one batch file... may I do this with taskkill command?

Nah, I misunderstood.  If the solution was to kill the process in task manager then you can use the command line I posted.  Else you can use a tool that will save the command line args, like this one:

http://en.kioskea.net/faq/1886-enable-disable-a-device-from-the-command-line

Thank you very much  Grin ... I'll try  Wink
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