Re: 2.6 vs 2.4: pxe booting system won't restart

From: Alan Cox
Date: Wed Nov 10 2004 - 18:22:53 EST


On Mer, 2004-11-10 at 20:36, Brian Jackson wrote:
> > Remove the kernel code that powers down the ethernet chip. If that works
>
> Yay, looks like this bit near line 1950 of via-rhine.c:
> /* Hit power state D3 (sleep) */
> writeb(readb(ioaddr + StickyHW) | 0x03, ioaddr + StickyHW);
>
> I removed that, and it works like a charm now. Thank you very much.

Excellent - its as I thought - the BIOS isn't bringing the chip out of
powersave for PXE but assumes it is live. Possibly one for a module
option but really it is a BIOS bug, although a very minor and easy to
understand how it got missed one

Alan

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