Debugging the Intel® FPGA Acceleration Card not detected by the Linux* server
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Debugging the Intel® FPGA Acceleration Card not detected by the Linux* server
The Intel® FPGA Programmable Acceleration Card (PAC) must be inserted into a server and needs to be detected by scanning the PCIe bus before using the card to accelerate your workload.
There are a few checks users can perform to ensure the Intel® FPGA PAC is detected by the server
Supported Server List
Firstly, check the list of the supported servers for the Intel® FPGA PAC below.
Intel® Programmable Acceleration Card (PAC) with Intel® Arria® 10 GX FPGA Server List
https://www.intel.com/content/www/us/en/programmable/products/boards_and_kits/dev-kits/altera/acceleration-card-arria-10-gx/buy.html
Intel® FPGA Programmable Acceleration Card D5005 Server List
https://www.intel.com/content/www/us/en/programmable/products/boards_and_kits/dev-kits/altera/intel-fpga-pac-d5005/buy.html
Intel® FPGA Programmable Acceleration Card N3000 Server List
https://www.intel.com/content/www/us/en/programmable/products/boards_and_kits/dev-kits/altera/intel-fpga-pac-n3000/buy.html
Check that you are using one of the supported servers.
Power dependency
Check the power requirements of the Intel® FPGA PAC. Apart from the power which is supplied by the PCIe* connector, some of Intel® FPGA PAC has an additional 12V AUX power connector. Check the data sheet of the applicable Intel® FPGA PAC for additional AUX connections
Intel® Programmable Acceleration Card with Intel® Arria® 10 GX FPG Data Sheet
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ds/ds-pac-a10.pdf
Intel® FPGA Programmable Acceleration Card D5005 Data Sheet
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ds/ds-pac-d5005.pdf
Intel® FPGA Programmable Acceleration Card N3000 Data Sheet
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ds/ds-pac-n3000.pdf
Cooling Requirements
If the cooling requirements are not met, the BMC (Board Management Controller) will shut down the card to protect it from overheating. Check the data sheet of the applicable Intel® FPGA PAC and adjust the fan speed via the BIOS if applicable.
Intel® Programmable Acceleration Card (PAC) with Intel® Arria® 10 GX FPGA Data Sheet
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ds/ds-pac-a10.pdf
Intel® FPGA Programmable Acceleration Card D5005 Data Sheet
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ds/ds-pac-d5005.pdf
Intel® FPGA Programmable Acceleration Card N3000 Data Sheet
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ds/ds-pac-n3000.pdf
Operating System (OS) and kernel
Check the supported operating system and kernel version. Current supported OS’es are CentOS*, Red Hat*, and Ubuntu*. Intel® FPGA PACs are qualified against a specific OS and kernel version. Check the quick start guide of the applicable Intel® FPGA PAC.
Intel® Programmable Acceleration Card (PAC) with Intel® Arria® 10 GX FPGA Data Sheet
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ds/ds-pac-a10.pdf
Intel® FPGA Programmable Acceleration Card D5005 Data Sheet
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ds/ds-pac-d5005.pdf
Intel® FPGA Programmable Acceleration Card N3000 Data Sheet
https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ds/ds-pac-n3000.pdf
Scanning PCIe Bus
To scan an Intel® Programmable Acceleration Card via the PCIe bus the following command can be typed into the Linux terminal shell.
lspci | grep accThe result for each of the Intel® FPGA PAC is shown below:
Intel® Programmable Acceleration Card with Intel® Arria® 10 GX FPGA
B:D.F Processing accelerators: Intel Corporation Device 09c4
Intel® FPGA Programmable Acceleration Card D5005
B:D.F Processing accelerators: Intel Corporation Device 0b2b (rev 01)
Intel FPGA Programmable Acceleration Card N3000
B:D.F Processing accelerators: Intel Corporation Device 0b30
B:D.F Processing accelerators: Intel Corporation Device 0b32
Where B:D.F is Bus:Device.Function number which is dependent on your server slot set-up
If the lspci command shows the correct identification for the Intel® FPGA PAC, then the user can proceed to develop workloads for the Intel® FPGA PAC.
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2021-06-27
Akash Arora
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