> packets get re-queued in the "do_dev_queue_xmit" routine. The crash occurs > when I block the hard_start_xmit routine on purpose by returning 1 > immediately. The network traffic is VERY low, i.e. not more then 10 packets > get dropped. This behavior seems independent of the device driver that I'm > using (its a ISA Wavelan card). You MUST set dev->tbusy=1 if you do this. If you arent setting dev->tbusy then I'd expect the kernel to jam up - To unsubscribe from this list: send the line "unsubscribe linux-net" in the body of a message to [EMAIL PROTECTED]