On Tue, 24 Feb 2026 at 15:41, Stephen Hemminger <[email protected]> wrote: > > On Tue, 24 Feb 2026 08:58:45 +0100 > David Marchand <[email protected]> wrote: > > > On Tue, 24 Feb 2026 at 08:41, David Marchand <[email protected]> > > wrote: > > > > > > On Tue, 24 Feb 2026 at 02:43, Stephen Hemminger > > > <[email protected]> wrote: > > > > > > > > The vdev_netvsc driver auto-injects itself on Hyper-V via an > > > > RTE_INIT constructor. This interferes with tests on github actions > > > > which uses Azure where the driver probes in forked subprocesses > > > > and crashes on uninitialized interrupt instances. > > > > > > > > Guard the auto-detection behind RTE_LIBRTE_VDEV_NETVSC_AUTO > > > > (disabled by default). The driver must now be explicitly > > > > requested with --vdev=net_vdev_netvsc. > > > > > > > > Signed-off-by: Stephen Hemminger <[email protected]> > > > > > > The failure in GHA can be avoided with a simpler: > > > https://patchwork.dpdk.org/project/dpdk/patch/[email protected]/ > > > > After rerunning with debug, the vdev netvsc is still probed, but is > > not at fault for the recent failures we saw. > > > > VMBUS_BUS: vmbus_probe_one_driver(): VMBUS device > > 7c1e52d8-3f86-7c1e-52d8-3f867c1e52d8 on NUMA socket -1 > > VMBUS_BUS: rte_vmbus_map_device(): Not managed by UIO driver, skipped > > VDEV_BUS: vdev_probe_all_drivers(): Search driver to probe device net_ring0 > > VDEV_BUS: vdev_probe_all_drivers(): Search driver to probe device > > net_vdev_netvsc > > DPAA2_BUS: fslmc_vfio_close_group: Get fd by name((null)) failed(-19) > > DPAA2_BUS: Unable to close devices -19 > > DPAA_BUS: dpaa_bus_cleanup(): >> > > DPAA_BUS: Portal already cleaned > > DPAA_BUS: dpaa_bus_cleanup(): Bus cleanup done > > Calling recursive action for test_invalid_vdev_flag > > Returned from recursive action for test_invalid_vdev_flag with 0 > > Cleaning up /home/runner/work/dpdk/dpdk/build/app/dpdk-test recursive > > instance > > /home/runner/work/dpdk/dpdk/build/app/dpdk-test recursive instance > > returning 0 > > Test OK > > RTE>> > > The DPAA_BUS looks like noise. > And also VMBUS. > > Maybe we need a --no-bus flag that shuts off all buses?
I have this patch in store :-) since I also need this for OVS, I'll send it soon. -- David Marchand
