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Altera_Forum's avatar
Altera_Forum
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10 years ago

msgdma stuck in busy state

Hello :) I have a problem with the msgdma. When I submit a descriptor to it and set the go bit it keeps in busy state. I'm using the SoCKit with Cyclone V and Quartus 14.1 The msgdma ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

We're actually using the prefetcher as when I was first setting the mSGDMA up I ran in to a Quartus bug with bad values being written to the descriptor slave interface-- this was apparently fixed in 15.1, I believe. We're running in park mode, so the prefetcher actually provides us with better control, especially as we're trying to avoid using any additional kernel modules.