On Wed, May 13, 2026 at 3:27 PM Xavier Simonart <[email protected]> wrote:
> On dual socket system, we had [0] error, preventing ovs to properly
> configure.
> This is due to the fact OVN tests configure (hardcode) number of rx_queues
> to 2, while
> OVS uses by default 1 PMD thread per numa node, and (num_pmd_threads + 1)
> tx queues.
> Hence, on multi numa node systems, tests failed to start.
>
> [0] TAP: tap_dev_configure(): net_tapsw0-p1: number of rx queues 2 must be
> equal to number of tx queues 3
>
> Fixes: 4fd16557e107 ("tests: add make check-system-dpdk to test suite.")
> Signed-off-by: Xavier Simonart <[email protected]>
> ---
> tests/system-dpdk-macros.at | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tests/system-dpdk-macros.at b/tests/system-dpdk-macros.at
> index 0d0a19130..6eb688838 100644
> --- a/tests/system-dpdk-macros.at
> +++ b/tests/system-dpdk-macros.at
> @@ -43,7 +43,7 @@ m4_define([OVS_TRAFFIC_VSWITCHD_START],
> [OVS_DPDK_PRE_CHECK()
> OVS_WAIT_WHILE([ip link show ovs-netdev])
> _OVS_VSWITCHD_START([--disable-system],
> - [-- set Open_vSwitch . other_config:dpdk-init=true
> other_config:dpdk-extra="--log-level=pmd.*:error --no-pci"])
> + [-- set Open_vSwitch . other_config:dpdk-init=true
> other_config:pmd-cpu-mask=0x1
> other_config:dpdk-extra="--log-level=pmd.*:error --no-pci"])
> dnl Add bridges, ports, etc.
> OVS_WAIT_WHILE([ip link show br0])
> AT_CHECK([ovs-vsctl -- _ADD_BR([br0]) -- $1 m4_if([$2], [], [], [|
> uuidfilt])], [0], [$2])
> --
> 2.47.1
>
>
Thank you Xavier,
applied to main and backported down to 25.09.
Regards,
Ales
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