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* [dpdk-users] EAL: WARNING! Base virtual address hint not respected after upgrade from DPDK 18.11 to 20.11.1
@ 2021-04-08  1:34 Gavan Newell
  0 siblings, 0 replies; only message in thread
From: Gavan Newell @ 2021-04-08  1:34 UTC (permalink / raw)
  To: users

Hello,

I am in the process of upgrading my application from DPDK 18.11 to 20.11.1.
My particular application is slightly unusual in that I am calling DPDK
from Java using JNI. This has worked previously in 18.11.

When I run my application under 20.11.1 I get the output shown below before
it crashes with a coredump at my call to rte_eth_rx_burst(). I suspect that
the issue is related to the warning messages, as they don't appear if I run
the application directly (i.e. bypassing Java JNI).

EAL: Detected 24 lcore(s)
EAL: Detected 2 NUMA nodes
EAL: Static memory layout is selected, amount of reserved memory can be
adjusted with -m or --socket-mem
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Selected IOVA mode 'PA'
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL: WARNING! Base virtual address hint (0x240036000 != 0x7f7c80000000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: WARNING! Base virtual address hint (0x3c0037000 != 0x7f7440000000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: WARNING! Base virtual address hint (0x540038000 != 0x7f6c00000000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: WARNING! Base virtual address hint (0x6c0039000 != 0x7f63c0000000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: PCI device 0000:41:00.0 on NUMA socket 1
EAL:   probe driver: 8086:154d net_ixgbe
EAL: PCI device 0000:41:00.1 on NUMA socket 1
EAL:   probe driver: 8086:154d net_ixgbe
EAL: PCI device 0000:42:00.0 on NUMA socket 1
EAL:   probe driver: 8086:154d net_ixgbe
EAL: PCI device 0000:42:00.1 on NUMA socket 1
EAL:   probe driver: 8086:154d net_ixgbe

Is there some EAL argument I can provide to avoid this coredump?

Thanks!


Gavan

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2021-04-08  1:34 [dpdk-users] EAL: WARNING! Base virtual address hint not respected after upgrade from DPDK 18.11 to 20.11.1 Gavan Newell

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