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CUDA-x86.

cuMemHostRegister returned error 999: Unknown

 
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Justin Luitjens



Joined: 18 Apr 2011
Posts: 1

PostPosted: Mon Sep 16, 2013 12:52 pm    Post subject: cuMemHostRegister returned error 999: Unknown Reply with quote

I have a code which compiles and runs fine using the Cray compiler. I'm trying to get the same application to build using the PGI complier.

When I compile I have added the following parameters: -ta=nvidia -acc -Minfo=accel

Everything appears to compile fine and messages showing parallelization seem correct. However, when I run I get the failure: 'cuMemHostRegister returned error 999: Unknown'

I have tried building against both cuda 5.0 and 5.5 and both have the same issue. I am using pgi's compiler version 13.7

Any idea what might be going wrong?

Thanks,
Justin
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mkcolg



Joined: 30 Jun 2004
Posts: 6125
Location: The Portland Group Inc.

PostPosted: Mon Sep 16, 2013 1:59 pm    Post subject: Reply with quote

Hi Justin,

It's probably a compiler issue but the error is too generic for me to tell the specific problem. Can you please post or send me a reproducing example?

Thanks,
Mat
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