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Ashoo
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1 hour ago

MCDMA IP D2H Queue Reset Failure during Channel Re-allocation

After successfully loading the binary and launching D2H (Device-to-Host) operations on my FPGA, the first channel is allocated successfully and transfers data without issue. However, when I try to allocate another channel, it fails with a "queue reset failed" error.

Initially, during the initialization phase, all 512 channels were checked and appeared available.

Environment:

Device Family: [Agilex 7]

Quartus Version: [24.1]

Driver/Software: VFIO based 

IP Config: MCDMA configured with 512 channels

Why is this happening? How to rectify the same ?

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