RE: e1000 lockup with port io type reset

> The following card causes a hard lockup when we do a controller 
> reset using port io instead of mmio. Switching to mmio 
> controller reset causes it to function as expected

Please send me a description of system (model, kernel, DMI decode, etc),
plus dumps from lspci -vv -xxx and ethtool -d ethX.  If we can repro
this, we should be able to get a bus trace.

-scott