sudo ip link set <interface_name> down
sudo ip link set <interface_name> up
Some UIO drivers require an explicit open() on /dev/uioX and an mmap() call. If uio_create_address attempts to map before the UIO device is fully registered (e.g., immediately after insmod), you’ll see this error.
This phrase suggests that the UIO subsystem (or an application using UIO) attempted to construct a network address structure from an IP address and a network link (e.g., eth0, ens3, enp0s3). The failure implies that the mapping between the IP address and the link-level information (MAC address, interface index, or route) was invalid, incomplete, or inaccessible. sudo ip link set <interface_name> down sudo ip
Thus, the full error means: A user-space process using UIO failed when trying to resolve or build an address binding based on an IP address and a network link, causing the job to abort. Some UIO drivers require an explicit open() on
UIO is a Linux kernel framework that allows device drivers to run mostly in userspace. Instead of writing a full kernel module, you write a small kernel driver that handles interrupts and exposes device memory to a userspace application via /dev/uioX. This is common in: This phrase suggests that the UIO subsystem (or
uio_create_address is not a standard kernel function; it typically appears in custom libraries or modified UIO drivers that map device memory regions based on network parameters.