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Title: Issue detecting 2nd GPU on Linux Miner Post by: MinerNiner on August 10, 2011, 04:06:04 PM Hello,
I had my rig setup and working successfully with two 5830's running on Ubuntu mostly following the Natty Narwhal Mining Guide http://bitcointalk.org/?topic=7514.0 (http://bitcointalk.org/?topic=7514.0). I was getting close to 285 mh/s per GPU and seeming like things were going smooth. Following a sudden power outage in the house, I've been having difficulty getting the second card to be fully detected or mine. Both cards work independently if I place them in the 1st PCIe slot, but neither work if in the 2nd. lspci | grep VGA detects the following: Quote 01:00.0 VGA compatible controller: ATI Technologies Inc Radeon HD 5800 Series (Cypress LE) 02:00.0 VGA compatible controller: ATI Technologies Inc Radeon HD 5800 Series (Cypress LE) aticonfig --list-adapters detects the following: Quote * 0. 01:00.0 ATI Radeon HD 5800 Series 1. 02:00.0 ATI Radeon HD 5800 Series * - Default adapter Yet aticonfig --odgt --adapter=all only works on the first GPU: Quote Adapter 0 - ATI Radeon HD 5800 Series Sensor 0: Temperature - 76.00 C ERROR - Get temperature failed for Adapter 1 - ATI Radeon HD 5800 Series And when I try to use -d 2 for poclbm to start mining I get the following: Quote No device specified or device not found, use -d to specify one of the following Any suggestions on how to resolve or ways to confirm it is / is not a hardware issue would be greatly appreciated.
Thanks! Title: Re: Issue detecting 2nd GPU on Linux Miner Post by: Anonymailer on August 10, 2011, 06:34:14 PM as it followed a power outage, i recommend swapping the cards around and seeing whether it's the card or the second slot that's the problem.
Title: Re: Issue detecting 2nd GPU on Linux Miner Post by: MinerNiner on August 10, 2011, 06:50:28 PM as it followed a power outage, i recommend swapping the cards around and seeing whether it's the card or the second slot that's the problem. I have done so and both cards work in the first slot. What I (and the few of the people in the ArsBitCoinPool IRC) found strange is that the basic detections show the second slot and the video card in it - but specific actions like get / set the fanspeed generate the errors. Title: Re: Issue detecting 2nd GPU on Linux Miner Post by: bcforum on August 10, 2011, 06:57:01 PM Does youre xorg.conf file list both adapters? I think the command is "aticonfig --initial --adapter=all" to create a default xorg.conf file. Title: Re: Issue detecting 2nd GPU on Linux Miner Post by: MinerNiner on August 11, 2011, 02:15:08 AM Does youre xorg.conf file list both adapters? I think the command is "aticonfig --initial --adapter=all" to create a default xorg.conf file. Indirectly, this did help me solve my problem. There were a number of different xorg.conf files in the /etc/X11/ folder and after removing them, re-creating a new one and rebooting it is now operational again. Another issue that I noticed in swapping the cards was that two of the wires from the motherboard were bumping up against the fan of the second GPU which could have led to a long-term problem down the road. Thanks for help all! Title: Re: Issue detecting 2nd GPU on Linux Miner Post by: bcforum on August 11, 2011, 03:39:04 AM aticonfig creates a backup copy every time it runs, only 'xorg.conf' exactly is important. Good catch on the wire, I had that problem and it showed up as abnormally high temps on one adapter. You might also enjoy: https://bitcointalk.org/index.php?topic=33550.msg419241#msg419241 (https://bitcointalk.org/index.php?topic=33550.msg419241#msg419241) |