eth0: Too much work in interrupt, status e401

[Felipe Alfaro Solana]

Hi!

I'm having severe hardlocks with 2.5.69-mm3 when mounting an NFS volume
from one of my NFS servers. I think this is related to iptables, but
while investigating, I found the following messages on my dmesg ring:

spurious 8259A interrupt: IRQ7.
eth0: Setting full-duplex based on MII #0 link partner capability of
01e1.
eth0: Transmit error, Tx status register 90.
  Flags; bus-master 1, dirty 923(11) current 927(15)
  Transmit list 0f37f980 vs. cf37f8e0.
  0: @cf37f200  length 80000036 status 00010036
  1: @cf37f2a0  length 80000036 status 00010036
  2: @cf37f340  length 80000036 status 00010036
  3: @cf37f3e0  length 80000036 status 00010036
  4: @cf37f480  length 80000036 status 00010036
  5: @cf37f520  length 80000036 status 00010036
  6: @cf37f5c0  length 80000036 status 00010036
  7: @cf37f660  length 80000036 status 00010036
  8: @cf37f700  length 80000036 status 80010036
  9: @cf37f7a0  length 80000036 status 00010036
  10: @cf37f840  length 80000036 status 00010036
  11: @cf37f8e0  length 80000036 status 00010036
  12: @cf37f980  length 80000036 status 00000036
  13: @cf37fa20  length 80000036 status 00000036
  14: @cf37fac0  length 80000036 status 80000036
  15: @cf37fb60  length 80000036 status 00010036
eth0: Too much work in interrupt, status e401.

I have no idea what does this mean...

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