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EAL: FATAL: Cannot use IOVA as 'PA' since physical addresses are not available EAL: Cannot use IOVA as 'PA' since physical addresses are not available

Explanation:

This error message is usually encountered when working with the DPDK (Data Plane Development Kit) framework. It occurs when attempting to use IOVA (I/O Virtual Addressing) as a physical address (PA), but physical addresses are not available.

IOVA is a technique used to map device-specific memory regions into a virtual address space that can be accessed by user applications. However, it requires access to physical addresses in order to function properly. If physical addresses are not available, then IOVA cannot be used as a PA.

There could be several reasons why physical addresses are not available, such as incorrect configuration of the DPDK environment or improper hardware support for IOVA. To resolve this issue, one should ensure that the DPDK environment is set up correctly and that the hardware supports IOVA.

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