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Author Topic: HELP! 4 x hd 7950 + cgminer + xubuntu 12.10  (Read 1202 times)
papaminer
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May 14, 2013, 04:54:29 PM
 #1

Code:
uncle1@uncle1-box3:~$ aticonfig --adapter=all --odgt

Adapter 0 - AMD Radeon HD 7900 Series
            Sensor 0: Temperature - 34.00 C

Adapter 1 - AMD Radeon HD 7900 Series
            Sensor 0: Temperature - 32.00 C

Adapter 2 - AMD Radeon HD 7900 Series
            Sensor 0: Temperature - 32.00 C

Adapter 3 - AMD Radeon HD 7900 Series
            Sensor 0: Temperature - 30.00 C
uncle1@uncle1-box3:~$


and when I start cgminer:

Code:
[2013-05-14 09:53:34] Started cgminer 3.1.1



 [2013-05-14 09:53:36] Probing for an alive pool
 [2013-05-14 09:53:37] Maximum buffer memory device 0 supports says 1082130432
 [2013-05-14 09:53:37] Your scrypt settings come to 1572864000
 [2013-05-14 09:53:37] Error -61: clCreateBuffer (padbuffer8), decrease TC or increas
e LG
 [2013-05-14 09:53:37] Failed to init GPU thread 0, disabling device 0
 [2013-05-14 09:53:37] Restarting the GPU from the menu will not fix this.
 [2013-05-14 09:53:37] Try restarting cgminer.
Press enter to continue:


I did a little search and found out that:
I need this: export GPU_MAX_ALLOC_PERCENT=100

but I already have this in my script:


Quote
#!/bin/sh
export DISPLAY=:0
export GPU_MAX_ALLOC_PERCENT=100
export GPU_USE_SYNC_OBJECTS=1
cd /home/uncle1/cgminer-3.1.1-x86_64-built
./cgminer --scrypt -o stratum+tcp://blkahblahblahlbalhblah

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papaminer
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May 14, 2013, 05:14:43 PM
 #2

Come on... nobody? Sad

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svenp
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May 14, 2013, 07:54:54 PM
 #3

Might you already have some cgminer processes stranded in the background?  I've seen that type of error and that was the cause for me.  Do a ps and if you see them, kill em.
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May 15, 2013, 07:38:02 AM
 #4

You need more RAM on your system. if you can t offer more ram or if you want to try without try lower --thread-concurrency

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minimum practical transaction size and cutting off the possibility for small casual transactions

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May 15, 2013, 07:59:39 AM
 #5

Did you decrease TC like the error message said?

Try 8192

The post is in the wrong forum try the hardware forum not the Alt currency forum


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May 15, 2013, 08:07:09 AM
 #6

Did you crossfire them? If so, don't. It will increase mem usage.

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May 15, 2013, 09:04:20 AM
 #7

Quote
Error -61: clCreateBuffer (padbuffer8), decrease TC or increas
You should lower you TC value, or add more RAM.
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