The vector number may change during 'dev_start'. Before enabling a new vector mapping, it's necessary to disable/unmap the previous setting.
Fixes: 7ab8500037f6 ("ixgbe: fix VF start with PF stopped") Reported-by: Yong Liu <yong.liu at intel.com> Signed-off-by: Cunming Liang <cunming.liang at intel.com> --- drivers/net/ixgbe/ixgbe_ethdev.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ixgbe/ixgbe_ethdev.c b/drivers/net/ixgbe/ixgbe_ethdev.c index 19ddb52..c2be264 100644 --- a/drivers/net/ixgbe/ixgbe_ethdev.c +++ b/drivers/net/ixgbe/ixgbe_ethdev.c @@ -1976,6 +1976,9 @@ ixgbe_dev_start(struct rte_eth_dev *dev) return -EINVAL; } + /* disable uio/vfio intr/eventfd mapping */ + rte_intr_disable(intr_handle); + /* stop adapter */ hw->adapter_stopped = 0; ixgbe_stop_adapter(hw); -- 2.4.3