Comment # 75
on bug 78453
from Michel Dänzer
(In reply to comment #74) > Ok, but how do I make sure that si_get_backend_mask() gets information from > the kernel ? By tracing its execution flow, either in gdb or by adding debugging printfs. > > Also, might be worth testing with R600_DEBUG=nodma for now, to prevent the > > userspace code from using the asynchronous DMA engine. > Will do that. Actually, that was a red herring, sorry; there's no asynchronous DMA support yet for CIK. > LLVM triggered Diagnostic Handler: unsupported call to function > llvm.AMDGPU.rsq. in main You need to update your LLVM SVN/Git snapshot.
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