[eepro100] Sleep Mode Enabled

Donald Becker becker@scyld.com
Fri Sep 20 17:28:00 2002

On Thu, 19 Sep 2002, David Peavey wrote:

> I am using the latest driver with an intel PRO/100+ PCI card.  I got 
> the following message at startup...  
>   eepro100.c:v1.24 7/25/2002 Donald Becker <becker@scyld.com>
>     http://www.scyld.com/network/eepro100.html
>   eth0: Intel i82559 rev 8 at 0xc4814000, 00:D0:B7:BE:FE:A8, IRQ 10.
>     Board assembly 721383-009, Physical connectors present: RJ45
>     Primary interface chip i82555 PHY #1.
>     ** The configuration EEPROM enables Sleep Mode.
>     ** This will cause PCI bus errors!
>     ** Update the configuration EEPROM with the eepro100-diag program.
> I researched the 82559 datasheet and found that this (I beleive) is 
> refering to the EEPROM address 10h bit 1 (Standby Enable).  But the 
> data sheet is not too clear as to how this state occurs.  Does 
> anyone know what events (or lack thereof) cause the 82559 to enter 
> the standby state?

It is programmed this way from the factory.
The only solution is to clear the bit in the configuration EEPROM and
hard power cycle the machine so that the configuration EEPROM is re-read.

> And how do the PCI bus errors manifest 
> themselves?  I.E.  What kind of error messages would I see if this 
> was occuring?

As "no resource" errors.
See the recent messages asking about what causes "no resource" errors.

Donald Becker				becker@scyld.com
Scyld Computing Corporation		http://www.scyld.com
410 Severn Ave. Suite 210		Second Generation Beowulf Clusters
Annapolis MD 21403			410-990-9993