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

[Frank Kardel <kardel%netbsd.org@localhost>]

I tried the updated version, but on this machine MSI-X cannot be registered.

[     1.571349] ixg0 at pci16 dev 0 function 0: Intel(R) PRO/10GbE 
PCI-Express Network Driver, Version - 4.0.1-k
[     1.571468] ixg0: clearing prefetchable bit
[     1.571814] ixg0: device X550
[     1.843714] 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
[     1.867853] ixg0: PBA number 020C08-0F8
[>>> 1.867964] xen_map_msix_pirq bus 69 devfn 0x0 (0 0) count 5 map 0 fail
[>>> 1.867984] ixg0: autoconfiguration error: failed to allocate MSI-X 
interrupt
[>>> 1.868988] xen_map_msi_pirq bus 69 devfn 0x0 (0 0) entry_nr 0 fail
[     1.869006] xen_pic_to_gsi ioapic pin 31 gsi 119 allocated 119
[     1.869034] ixg0: interrupting at ioapic3 pin 31
[     1.888974] ixg0: Ethernet address ac:1f:6b:f5:bc:cc
[     1.891083] ixg0: PHY: OUI 0x00aa00 model 0x0022, rev. 0
[     1.895415] ixg0: PCI Express Bus: Speed 8.0GT/s Width x4
[     1.897527] ixg0: feature cap 
0x17a0<TEMP_SENSOR,LEGACY_TX,FDIR,MSI,MSIX,LEGACY_IRQ>
[     1.897545] ixg0: feature ena 0x1020<TEMP_SENSOR,LEGACY_IRQ>

So the interfaces are only sporadically processing packets.

Frank

On 05/24/22 18:20, Manuel Bouyer wrote:
> The following reply was made to PR kern/55667; it has been noted by GNATS.
>
> From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
> To: Frank Kardel <kardel%netbsd.org@localhost>
> Cc: gnats-bugs%netbsd.org@localhost, jdolecek%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
>          netbsd-bugs%netbsd.org@localhost
> Subject: Re: kern/55667 (regression: XEN3_DOM0 fails to boot on)
> Date: Tue, 24 May 2022 18:11:27 +0200
>
>   ...
>   
>   Now ixg is working reliably for me, with MSI-X interrupts.
>   So please try with XEN3_DOM0 1.195 and all the prevous related commits.
>   
>   --
>   Manuel Bouyer <bouyer%antioche.eu.org@localhost>
>        NetBSD: 26 ans d'experience feront toujours la difference
>   --
>