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Altera_Forum's avatar
Altera_Forum
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13 years ago

Freeze after auto negotiation

I am running the simple socket server example on my custom board. I'm having a problem with it freezing right after "auto-negotiation passed". InterNiche Portable TCP/IP, v3.1 Copyright 1996-2...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

There could be a hardware problem that would cause the receive DMA to get data even when there are no packets on the network. Could you use a signaltap probe on the Avalon Stream interface between the Ethernet MAC and the receive DMA? Check if there is any traffic there.