Verification failed, check hardware!

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bitminer:
I'm useing poclbm under Ubuntu with one HD5970 and I’m getting always the following error message after starting mining with the second core (./poclbm.py -d 2):
”Verification failed, check hardware!”
  (With the first GPU core (./poclbm.py -d 1) everything works fine.)
Is my GPU damaged or is this a software/setting bug?
How could I test under Ubuntu that both of my GPU cores are ok? 

[Tycho]:
Quote from: bitminer on March 08, 2011, 05:00:57 AM

I'm useing poclbm under Ubuntu with one HD5970 and I’m getting always the following error message after starting mining with the second core (./poclbm.py -d 2):
”Verification failed, check hardware!”
  (With the first GPU core (./poclbm.py -d 1) everything works fine.)
Is my GPU damaged or is this a software/setting bug?
How could I test under Ubuntu that both of my GPU cores are ok? 
You should disable Crossfire or use old version of poclbm on Windows.

SmokeTooMuch:
0 is cpu I guess

error:
CPU is not listed at all with poclbm on my Linux box.

bitminer:
Code:

$ ./poclbm.py

[0] Intel(R) Core(TM) i7 CPU         870  @ 2.93GHz
[1] Cypress
[2] Cypress

$ aticonfig --crossfire=off --adapter=all
CrossFire chain(s) disabled
Warning: X needs to be restarted before CrossFire changes take effect.

$sudo /etc/init.d/gdm restart
(restart ok)

$ ./poclbm.py -d 2

284326 khash/s

Verification failed, check hardware!

Verification failed, check hardware!

Verification failed, check hardware!

 

The first core running perfectly:
Code:

./poclbm.py -d 1
284379 khash/s


What's wrong with the second core?
Can I test it somehow if it's not damaged physically?

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