Fabio and Russell,

A working theory is that the switch (3Com Switch 4400) triggers the
degeneration of the network stack from which Linux does not seem to
recover, even if we later bypass the switch and directly connect the board to
the server machine.

After a few more tests we have finally been able to trigger the exact same stalls
on the Sabrelite board with a direct network connection (i.e. without the switch).

Best regards,
Mattis Lorentzon

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