Re: Using PXE+GRUB to boot Linux on a Thinkpad T20

[Donald Becker]

On 29 Jul 2002, Patrick J. LoPresti wrote:

> Donald Becker <address@hidden> writes:
> 
> > What PCI ID and version number does the T20's 556B report?  (Use
> > 'lspci -n'.)
> 
>     00:03.0 Class 0200: 10b7:6056 (rev 20)

What is the subsystem ID?
(The "-5" version has a subsystem ID of 0x655610b7.)

> OK, but why would the MAC address show as all ones?

Because the NIC wasn't powered up.

> And why would the
> I/O space be at a different address than when I boot a working setup?

Both addresses are reasonable and potentially valid.

There might be a difference based on if the machine is set to use PXE
boot or not.

> The driver is definitely trying to enable it; the first message I get
> when loading the driver is:
> 
>   PCI: Enabling device 00:03.0 (0000 -> 0003)
> 
> ...which should be enabling the I/O and memory resources, if I am
> reading pci-i386.c right.

Correct.  But it doesn't report anything about enabling the device power.

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