DMA test failures #89
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Reference: M-Labs/artiq-zynq#89
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I got underflows when trying to run them myself...
@pca006132 Did you correctly load the
nist_qc2
gateware and firmware variant? The ARTIQ tests do not work with thesimple
variant.Note that the impure build process doesn't handle changing variants without deleting the build folder manually.
The underflows could be due simply to the very high Zynq AXI latency. I'll take a look.
Hmm, no. Then my best guess is DMA buffer corruption similar to #90