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i40e PMD returns 0 for secondary invoking rx_burst on queue 0, when Primary dies

dpdk-dev [email protected] 1 participant 3 messages Nov 13, 2019 – Nov 20, 2023

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https://bugs.dpdk.org/show_bug.cgi?id=366

Bug ID: 366
Summary: i40e PMD returns 0 for secondary invoking rx_burst on
queue 0, when Primary dies
Product: DPDK
Version: unspecified
Hardware: x86
OS: Linux
Status: UNCONFIRMED
Severity: major
Priority: Normal
Component: ethdev
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---

DPDK version: dpdk-stable-19.08.1
Linux: 4.15.0-66-generic
i40e: driverversion=2.1.14-k firmware=6.01
DPDK build: make EXTRA_CFLAGS="-g -O0"

BT:
(gdb) bt
#0 i40e_recv_pkts_vec (rx_queue=0x17ff32c40, rx_pkts=0x7fffffffe010,
nb_pkts=<optimized out>)
at
/home/saesrv02/Downloads/dpdksrc/dpdk-stable-19.08.1/drivers/net/i40e/i40e_rxtx_vec_sse.c:470 #1 0x00005555555b6d42 in rte_eth_rx_burst (nb_pkts=32, rx_pkts=0x7fffffffe010, queue_id=0, port_id=0)
at
/home/saesrv02/Downloads/dpdksrc/dpdk-stable-19.08.1//x86_64-native-linuxapp-gcc/include/rte_ethdev.h:4097 #2 lcore_main () at /home/saesrv02/Downloads/dpdksrc/dpdk-stable-19.08.1/examples/skeleton/basicfwd.c:135
#3 0x00005555555b6f1d in main (argc=<optimized out>, argv=<optimized out>)
at
/home/saesrv02/Downloads/dpdksrc/dpdk-stable-19.08.1/examples/skeleton/basicfwd.c:226

Application:
Primary: initializes X710 via i40e PMD and iterates in while(1)
Secondary: probes rx_burst successfully with packets until the primary is killed.

test app:
CMD-1: ./build/basicfwd -w 08:00.2 -l 3
CMD-2: gdb --args ./build/basicfwd -w 08:00.2 -l 4 --proc-type=secondary

traffic generator: ./build/l2fwd -w 83:00.2 --vdev net_tap0,iface=test =l 5 --file-prefix vipin -- -p 3 -T 1

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https://bugs.dpdk.org/show_bug.cgi?id=366

dengkaiwen ([email protected]) changed:

What |Removed |Added
----------------------------------------------------------------------------

             Status|CONFIRMED                   |RESOLVED
                 CC|                            |[email protected]
         Resolution|---                         |INVALID

--- Comment #12 from dengkaiwen ([email protected]) --- Hi All,

No replies for over a month, I'm going to close this ticket for now, so please contact me if you still have questions.

Thanks
Deng Kaiwen

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