Re: Intel 82559 NIC corrupted EEPROM

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John wrote:

I then used ethtool to dump the contents of the EEPROMs.

# ethtool -e eth0
Offset          Values
------          ------
0x0000          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
0x0010          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
0x0020          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
0x0030          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
0x0040          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
0x0050          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
0x0060          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
0x0070          ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff

Either the EEPROM image on eth0 is corrupted, or ethtool is not
able to read the contents of the EEPROM.


[...]


I then used Donald Becker's program to dump the contents of all
the EEPROMs. ( ftp://www.scyld.com/pub/diag/ )

# eepro100-diag -ee
eepro100-diag.c:v2.13 2/28/2005 Donald Becker ([email protected])
 http://www.scyld.com/diag/index.html

Index #1: Found a Intel i82557/8/9 EtherExpressPro100 adapter at 0xd800.
EEPROM contents, size 64x16:
    00: 3000 0464 e4e6 0e03 0000 0201 4701 0000  _0d__________G__
  0x08: 7213 8310 40a2 0001 8086 0000 0000 0000  _r___@__________
      ...
  0x30: 0128 0000 0000 0000 0000 0000 0000 0000  (_______________
  0x38: 0000 0000 0000 0000 0000 0000 0000 92f7  ________________
 The EEPROM checksum is correct.
Intel EtherExpress Pro 10/100 EEPROM contents:
  Station address 00:30:64:04:E6:E4.
  Board assembly 721383-016, Physical connectors present: RJ45
  Primary interface chip i82555 PHY #1.
   Sleep mode is enabled.  This is not recommended.
   Under high load the card may not respond to
   PCI requests, and thus cause a master abort.
   To clear sleep mode use the '-G 0 -w -w -f' options.

Index #2: Found a Intel i82557/8/9 EtherExpressPro100 adapter at 0xdc00.
EEPROM contents, size 64x16:
    00: 3000 0464 e5e6 0e03 0000 0201 4701 0000  _0d__________G__
  0x08: 7213 8310 40a2 0001 8086 0000 0000 0000  _r___@__________
      ...
  0x30: 0128 0000 0000 0000 0000 0000 0000 0000  (_______________
  0x38: 0000 0000 0000 0000 0000 0000 0000 91f7  ________________
 The EEPROM checksum is correct.
Intel EtherExpress Pro 10/100 EEPROM contents:
  Station address 00:30:64:04:E6:E5.
  Board assembly 721383-016, Physical connectors present: RJ45
  Primary interface chip i82555 PHY #1.
   Sleep mode is enabled.  This is not recommended.
   Under high load the card may not respond to
   PCI requests, and thus cause a master abort.
   To clear sleep mode use the '-G 0 -w -w -f' options.

Index #3: Found a Intel i82557/8/9 EtherExpressPro100 adapter at 0xe000.
EEPROM contents, size 64x16:
    00: 3000 0464 e6e6 0e03 0000 0201 4701 0000  _0d__________G__
  0x08: 7213 8310 40a2 0001 8086 0000 0000 0000  _r___@__________
      ...
  0x30: 0128 0000 0000 0000 0000 0000 0000 0000  (_______________
  0x38: 0000 0000 0000 0000 0000 0000 0000 90f7  ________________
 The EEPROM checksum is correct.
Intel EtherExpress Pro 10/100 EEPROM contents:
  Station address 00:30:64:04:E6:E6.
  Board assembly 721383-016, Physical connectors present: RJ45
  Primary interface chip i82555 PHY #1.
   Sleep mode is enabled.  This is not recommended.
   Under high load the card may not respond to
   PCI requests, and thus cause a master abort.
   To clear sleep mode use the '-G 0 -w -w -f' options.

Apparently, eepro100.ko is able to read the contents of the EEPROM on eth0 and it declares the checksum correct. Is it possible that there is a bug in e100.c that makes it fail to read the EEPROM on eth0?


Sure as heck sounds like it.

	-hpa

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