Topic: Xubuntu 12.10 mining rig with 2x7950 low hashrate (Read 896 times)

frozen

full member

Activity: 196

Merit: 100

The thread you linked where this problem was solved also provides a link to catalyst 12.8:

Here's the message I posted: https://bitcointalksearch.org/topic/m.1877943

Here's the link to catalyst: http://www2.ati.com/drivers/linux/amd-driver-installer-12-8-x86.x86_64.zip

The question you have is what the heck do you do with the above?

1. Download it:

Code:

wget http://www2.ati.com/drivers/linux/amd-driver-installer-12-8-x86.x86_64.zip

2. Unzip it:

Code:

unzip amd-driver-installer-12-8-x86.x86_64.zip

3. Execute it

Code:

sudo bash amd-driver-installer-8.982-x86.x86_64.run

4. Follow instructions provided on the screen.

tonightwefeast

newbie

Activity: 12

Merit: 0

Hello there,

I wondered if anyone else had the same problem as me and if so how they went about fixing it.

Basically when mining using 2x Sapphire 7950s on Xubuntu with CGminer I only get about 500 kh/s (LTC mining) between the two GPUs, if I disable one of them I still get 500 kh/s. The problem has been solved here :

Code:

 https://bitcointalk.org/index.php?topic=178963.0

and it was found that catalyst 12.10 was incompatible .

I'm unsure however about how to go install catalyst 12.8 as I just follow the guide on:

Code:

http://www.cryptobadger.com/2013/04/build-a-litecoin-mining-rig-linux

Which just says type the following into the terminal:

Code:

sudo apt-get install fglrx-updates fglrx-amdcccle-updates fglrx-updates-dev
sudo aticonfig --lsa
sudo aticonfig --adapter=all --initial
sudo reboot

And there is no mention of installing a specific catalyst let alone how to go about installing a different one.

If anyone has any advice to offer that would be excellent,

TWF

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