On Tue, 15 Apr 2025 15:45:05 +0200 Jesper Dangaard Brouer wrote: > In production, we're seeing TX drops on veth devices when the ptr_ring > fills up. This can occur when NAPI mode is enabled, though it's > relatively rare. However, with threaded NAPI - which we use in > production - the drops become significantly more frequent. It splats: [ 5319.025772][ C1] dump_stack_lvl (lib/dump_stack.c:123) [ 5319.025786][ C1] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6866) [ 5319.025797][ C1] veth_xdp_rcv (drivers/net/veth.c:907 (discriminator 9)) [ 5319.025850][ C1] veth_poll (drivers/net/veth.c:977) -- pw-bot: cr