[ipxe-devel] link down

[Joakim Tjernlund]

On Thu, 1970-01-01 at 00:00 +0000, Michael Brown wrote:
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> 
> On 06/02/18 08:14, Joakim Tjernlund wrote:
> > > > Noticed your fix and tried it on my Lenovo laptop(I219v-4) but same
> > > > result. Only works from power on, not when rebooting.
> > > > Using x86_64, GRUB and ipxe.lkrn
> > > 
> > > Does it work if you bypass GRUB (e.g. by rebooting straight into
> > > ipxe.usb on a USB key)?
> > 
> > Just did that and USB works when rebooting :)
> 
> Great!  That almost certainly means that GRUB is the culprit.

Seems so.

> 
> The i219 bug relates to a broken reset mechanism.  If GRUB loads a
> driver for the i219 NIC then there is a good chance it will be leaving
> it in a broken state, which will prevent iPXE from being able to use it.

I don't se any network load/activity in grub but it might do something to the
network. Anyway, should not ipxe try to workarond this? The bug isn't in grub, it is
the broken reset in the i219 HW that is buggy

 Jocke