https://bugs.dpdk.org/show_bug.cgi?id=689
Bug ID: 689
Summary: RTE bus list not populated causing EAL: failed to
parse device "XX:XX.X" on CentOS 7
Product: DPDK
Version: 20.11
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: core
Assignee: dev@dpdk.org
Reporter: szymon.mikul...@nokia.com
Target Milestone: ---
On our CI setup we build DPDK on CentOS 7
There are no problems with compilation, we are able to compile it and our
application. However when starting EAL: (rte_eal_init())
"./app -l 2-5 --file-prefix 04:00.0 -a 04:00.0
EAL: Detected 24 lcore(s)
EAL: Detected 2 NUMA nodes
EAL: Detected static linkage of DPDK
EAL: failed to parse device "04:00.0"
EAL: Unable to parse device '04:00.0'
Cant init EAL"
I've traced it back to PCI bus list being empty, none of the buses are
registered for some reason. I am not sure how the buses are supposed to be
registered with all the macro RTE_INIT_PRIO magic happening so I stopped there.
The output from meson doesn't seem to be any different on the CentOS machine to
more modern systems where everything works as expected
Do you have any idea what might be happening and how to continue debugging?
I've found that testpmd works ./dpdk-testpmd -l 2-5 --file-prefix 04:00.0 -a
04:00.0
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