Author

Topic: Odd new problem with 5830/cgminer. (Read 1068 times)

hero member
Activity: 784
Merit: 1009
firstbits:1MinerQ
November 27, 2012, 04:51:51 AM
#3
After almost a year of mining 3x 5830 I found that one of them just wouldn't start with configured defaults. Even if I set them really low. It always just froze. However, by trial and error I found if I left it's settings blank so they used factory defaults then it would start fine and run. So I then used a trick of sending API calls to adjust that GPU after started to better settings and found that it worked as well.

So you may want to try letting the flaky cards start with defaults and then after a time period send it API adjustments. I do this by adding a simple script to my start up process. This requires that you enable the API interface mode as well.

Here's fixcg script for example.

Code:
#!/bin/bash
sleep 20
echo -n "gpuvddc|2,1.04" | nc 127.0.0.1 4028 >/dev/null
echo -n "gpumem|2,250" | nc 127.0.0.1 4028 >/dev/null
echo -n "gpuengine|2,760" | nc 127.0.0.1 4028 >/dev/null

and the settings I added to my conf file to enable the API.

Code:
"api-listen" : true,
"api-allow" : "W:127.0.0.1",
"api-port" : "4028",

Just throwing this out there in case it helps anyone with similar weirdness.
member
Activity: 75
Merit: 10
November 26, 2012, 03:56:54 PM
#2
Which version cgminer are you using, and have you looked into a different, higher powered PSU?  I find that Cgminer version 2.9.4 had a slow start up problem for some of my GPUs also.
newbie
Activity: 57
Merit: 0
November 26, 2012, 05:36:32 AM
#1
I run a 7950 (gpu0/Top x16 slot) (1050/910) and 2x 5830s one direct to the motherboard (gpu1/bottom x16 slot on board), the other on a x1-x16 connector (gpu2/x1 slot above top-most x16 slot). (Cpu is idle except for daily computing tasks)

As of late the 3rd gpu (gpu2) takes 10-30 seconds to switch to its mining settings (900/300/1.060v) and sits @ 157/300/0.850v. It just springs to life and is fine after that.

The other 5830 (gpu1) never does this.

Psu is a 750 watt Corsair ( http://www.newegg.com/Product/Product.aspx?Item=N82E16817139010 ) Bought 7/2011.
Motherboard is an Asus p6x58d-e ( http://www.newegg.com/Product/Product.aspx?Item=N82E16813131641) Bought 4/2010.

There is a monitor on gpu0 and gpu1. but not gpu2.

Just looking for any info on what the gpu is doing, or what might be causing it. (or if it's even something i should worry about)

Thanks in advance.
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