kernel: Command 80 was not immediately accepted, 122 ticks!

Recently I upgrade my eepro100 to version 1.26 because the old version reporting error messages
"eth0: card report no response".
But since then, there are a lot of  following error messages:
Sep  7 08:25:29 fileserver02 kernel: Command 80 was not immediately accepted, 11
4 ticks!
Sep  7 08:39:02 fileserver02 kernel: Command 80 was not immediately accepted, 11
9 ticks!
Sep  7 09:37:06 fileserver02 kernel: Command 80 was not immediately accepted, 13
8 ticks!
Sep  7 09:40:07 fileserver02 kernel: Command 80 was not immediately accepted, 13
1 ticks!
Sep  7 09:52:01 fileserver02 kernel: Command 80 was not immediately accepted, 12
2 ticks!
Sep  7 09:53:12 fileserver02 kernel: Command 80 was not immediately accepted, 13
1 ticks!
Sep  7 09:58:53 fileserver02 kernel: Command 80 was not immediately accepted, 15
3 ticks!
Sep  7 10:06:33 fileserver02 kernel: Command 80 was not immediately accepted, 15
8 ticks!
Sep  7 10:10:16 fileserver02 kernel: Command 80 was not immediately accepted, 13
3 ticks!
Sep  7 10:10:16 fileserver02 kernel: Command 80 was not immediately accepted, 13
5 ticks!
Sep  7 10:11:34 fileserver02 kernel: Command 80 was not immediately accepted, 12
1 ticks!

The NIC info like this:
1. from dmesg:
eth0: OEM Intel i82559 rev 8 at 0xf8982000, 00:02:55:AC:33:39, IRQ 42.
  Board assembly 352509-003, Physical connectors present: RJ45
  Primary interface chip i82555 PHY #1.
  General self-test: passed.
  Serial sub-system self-test: passed.
  Internal registers self-test: passed.
  ROM checksum self-test: passed (0x04f4518b).
eth1: Intel PCI EtherExpress Pro100 at 0xf8984000, 00:02:B3:B9:00:15, IRQ 24.
  Board assembly 752438-007, Physical connectors present: RJ45
  Primary interface chip i82555 PHY #1.
    Secondary interface chip i82555.
  General self-test: passed.
  Serial sub-system self-test: passed.
  Internal registers self-test: passed.
  ROM checksum self-test: passed (0x3258698e).

2.from /proc/pci
  Bus  0, device   3, function  0:
    Ethernet controller: Intel Corp. 82557 [Ethernet Pro 100] (rev 8).
      IRQ 42.
      Master Capable.  Latency=100.  Min Gnt=8.Max Lat=56.
      Non-prefetchable 32 bit memory at 0xfbf7f000 [0xfbf7ffff].
      I/O at 0x1880 [0x18bf].
      Non-prefetchable 32 bit memory at 0xfbe00000 [0xfbefffff].
  Bus  1, device   2, function  0:
    Ethernet controller: Intel Corp. 82557 [Ethernet Pro 100] (#2) (rev 12).
      IRQ 24.
      Master Capable.  Latency=100.  Min Gnt=8.Max Lat=56.
      Non-prefetchable 32 bit memory at 0xeffff000 [0xefffffff].
      I/O at 0x2000 [0x203f].
      Non-prefetchable 32 bit memory at 0xeffc0000 [0xeffdffff].
 
Any help would be appreciated.