2013/9/3 Thomas Monjalon <thomas.monjalon at 6wind.com>: > 29/08/2013 09:54, Tetsuya Mukawa : >> Someone, could you please let me know what is a case that I need to >> enable 'CONFIG_RTE_EAL_UNBIND_PORTS'? > > In DPDK 1.3, the UNBIND option is intended to restore the previous state > when exiting a DPDK application. > In case of devices bound to igb_uio, it will re-bind them to their original > driver (e1000/igb/ixgbe). > It has no effect with virtio. > > The bug that you have described does not appear with igb_uio drivers because > fd is initialized in pci_map_resource(). > But in case of virtio, pci_map_resource() is not called.
Thank you for your explanation. I understand it clearly. > It looks good. > Could you send it as a real patch with a commit log ? Sure, I will. Thanks, Tetsuya Mukawa