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Hi, Christian
It is impossible to run cudaminer via screen:
screen ./cudaminer
[screen is terminating]
could you try running pooler's cpuminer in screen, and if it terminates too ask for an improvement in his code (pooler's cpuminer has its own thread on bitcointalk). I can then just merge his fixes in

Christian
Christian,
cpuminer versus screen is OK
cudaminer versus screen is not OK
interesting observation, nur the root cause is still a mystery. Could be related to CUDA or could be something I did to the code...