On Thu, May 02, 2019 at 04:09:10PM +0200, Otto Moerbeek wrote:
> On Wed, May 01, 2019 at 08:51:12PM -0700, Corsaire01 wrote:
> 
> > Hi Mark,
> > thanks for your input.
> > 
> > In deed the new UEFI firmware is much better.
> > Things moving on :)
> > 
> > However I stumbled on a strange.. bug/behavior ?
> > 
> > I put a Intel EXPI9402PT network card in the macchiatobin, it is an Intel
> > PRO 100 series card and it is being recognized out of the box in the kernel.
> > The macchiatobin too shows it without trouble at boot in kernel output.
> > I can configure the network right but, once I link the ethernet cable in the
> > port the system goes crazy, apparently CPU usage goes 100%...
> > 
> > When still unplugged everything is fine.
> > 
> > Did you experienced such thing ?
> 
> I'm not seeing any problem with 
> 
> em0 at pci1 dev 0 function 0 "Intel 82574L" rev 0x00: msi, address 
> 68:05:ca:0c:ac:bf
> 
>       -Otto
> 

'EXPI9402PT' seems to mean 82571GB and msi is disabled on <= 82572
due to an errata:

/*
 * Only use MSI on the newer PCIe parts, with the exception
 * of 82571/82572 due to "Byte Enables 2 and 3 Are Not Set" errata
 */

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