Comments (1)
I managed to have xbutil
list memory bank indices for me:
-------------------------------------------------
[0000:3b:00.1] : xilinx_u280_gen3x16_xdma_base_1
-------------------------------------------------
Memory Topology
Tag Type Temp(C) Size Base Address
[ 0] HBM[0] MEM_HBM 36 256 MB 0x0
[ 1] HBM[1] MEM_DRAM 36 256 MB 0x10000000
[ 2] HBM[2] MEM_DRAM 36 256 MB 0x20000000
... ...
[31] HBM[31] MEM_DRAM 36 256 MB 0x1f0000000
... ...
It works after I ran the Getting Started sample code of Vitis-Tutorials. So, it seems to me that the sample code does some initialization work of the card which remains in effect after the sample code exits and which makes xbutil
work. As a result, perhaps xbutil
is missing some initialization code at the memory information part. Although my problem is solved, I still hope the developers of XRT can see into this possible issue and fix it if my guess is really true. As a side note, I think the type MEM_DRAM
should mean DDR4 memory device on the card which should remain to be MEM_HBM
after index 1. If it is a bug, I hope it can be fixed as well. Thanks.
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