Re: kern/55667 (regression: XEN3_DOM0 fails to boot on)

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, May 23, 2022 at 03:57:38PM +0200, Frank Kardel wrote:
> In 9.99.55 ixg(4) works with ioapic (I am running that now) from
> /var/run/dmesg.boot:
> 
> ixg0 at pci16 dev 0 function 0: Intel(R) PRO/10GbE PCI-Express Network
> Driver, Version - 4.0.1-k
> ixg0: clearing prefetchable bit
> ixg0: device X550
> ixg0: NVM Image Version 1.93, PHY FW Revision 2.0b ID 0xb, NVM Map version
> 1.93, OEM NVM Image version 0.04, ETrackID 80000aee
> ixg0: interrupting at ioapic3 pin 31
> ixg0: Ethernet address ac:1f:6b:f5:bc:cc
> ixg0: PHY OUI 0x00aa00, model 0x0022, rev. 0
> ixg0: PCI Express Bus: Speed 8.0GT/s Width x4
> ixg0: feature cap 0x17a0<TEMP_SENSOR,LEGACY_TX,FDIR,MSI,MSIX,LEGACY_IRQ>
> ixg0: feature ena 0x1020<TEMP_SENSOR,LEGACY_IRQ>
> ixg1 at pci16 dev 0 function 1: Intel(R) PRO/10GbE PCI-Express Network
> Driver, Version - 4.0.1-k
> ixg1: clearing prefetchable bit
> ixg1: device X550
> ixg1: NVM Image Version 1.93, PHY FW Revision 2.0b ID 0xb, NVM Map version
> 1.93, OEM NVM Image version 0.04, ETrackID 80000aee
> ixg1: interrupting at ioapic3 pin 30
> ixg1: Ethernet address ac:1f:6b:f5:bc:cd
> ixg1: PHY OUI 0x00aa00, model 0x0022, rev. 0
> ixg1: PCI Express Bus: Speed 8.0GT/s Width x4
> ixg1: feature cap 0x17a0<TEMP_SENSOR,LEGACY_TX,FDIR,MSI,MSIX,LEGACY_IRQ>
> ixg1: feature ena 0x1020<TEMP_SENSOR,LEGACY_IRQ>
> 
> Looks like something broke there. It is certainly not a hardware limitation
> but rather a
> driver/interrut subsystem bug.

Yes; I suspect a driver bug as other devices works in legacy mode.
But I think it's outside the scope of this PR.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--