Transcribed by cpo from amedeo's notebook 11/16/2007.

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exception name and corresponding ((edw>>1)&0x3f value)

peb:
invalid payload len  (1)
invalid hdr addr     (2)
invalid payload addr (3)
underrun:            (0x3f)

ecb:
none

flb:
invalid payload len  (1)
invalid hdr addr     (2)
invalid payload addr (3)

NOTE: flb exceptions are reported in the pib status (since
the flb doesn't have a mechanism to report the exception
by itself)

pib:
overrun:        (0x3e) (data coming too fast, overflowed a fifo)
buffer overrun: (0x4)  (too much data (exceeded vhdl defined params)
and core errors (where "was block" (0x80) not set)

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fault name and (value returned in fault register)

peb:
fifo full            (tde)
invalid ecb id       (tde)
invalid tds          (tde)
invalid result       (tde)
data pipeline empty  (0?)
status pipeline full (0)

ecb:
none

flb:
fifo full      (tde)
invalid tds    (tde)
invalid result (tde)

pib:
invalid flb id        (0x1)
pib full              (0x2)
flb empty             (0x3)
pib full for messages (0x4)
pib fee full          (0x7)  (amedeo thinks the "fee" is a particular part of the pic).