fxp floods network on panic

Kris Kennaway kris at obsecurity.org
Sat Nov 22 02:22:33 PST 2003

On Sat, Nov 22, 2003 at 09:10:54AM -0000, Lawrence Farr wrote:
> I have an up to date SMP machine with an Intel 10/100
> card and fxp driver. The machine has started to
> panic during running make release, and when it does, the
> intel card floods the network and pretty much wipes it out.
> ie no machines on the same switch can even ping each other.
> The switch is lit up like a christmas tree, and rebooting
> the box immediately brings the network to life.
> The machine is hung solid, so even though I have serial 
> access to it, I cant reboot it to clear the condition.
> I seem to remember that the Intel card can go into some sort
> of "test" mode on a panic. Is there any way of preventing
> this? Or did I just imagine that?

Known problem.  Set

hw.fxp_noflow: 1

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