[K12OSN] Network boot hangs

Les Mikesell lesmikesell at gmail.com
Tue Feb 10 17:08:14 UTC 2009

Barry Cisna wrote:
> Peter,
> Are these machines -pentium 1's- have onboard nics or add in cards? If
> these are integrated nics, it would be worth a try to pull an add on (pci)
> card out of a known booting machine and pop the pci nic card into each one
> and see if you have any better results. Possibly try switching pci slots
> as well. I'm sure you have tried this by this time:) Usually 3com905
> nics,as you have, work pretty easily.
> Also try unplugging and replugging  your switch as well at the same time.
> the switch you are using is not a managed switch is it?
> Older HP's and Compaq's have some weird issues with irg sharing when
> etherboot booting.Do you ever see a single line saying something like
> "disabling IRQ3,,blah,,blah.." or something similar while these machines
> boot?
> I never could really figure out why that is.

NFS tends to send large blocks that old NICs might not be able to 
receive at full speed.  I sort-of remember a similar discussion about 
3c509's long ago but can't recall if there was a solution.

Ahh, here's a link:

   Les Mikesell
    lesmikesell at gmail.com

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