Re: OPNSense running in domU has no network connectivity on 5.15.29+

[Colton Reeder <colton.reeder@xxxxxxxxx>]

https://pastebin.com/uqME2J8W Theres the configuration from both VMs.
You are correct, Ive never had any issues with the Linux PV guest "Services"

I will work on getting the other information you requested as soon as I can.

On Tue, May 10, 2022 at 4:18 AM Roger Pau Monné <roger.pau@xxxxxxxxxx> wrote:
>
> On Tue, May 03, 2022 at 12:36:43PM -0700, Colton Reeder wrote:
> > Hello,
> >
> > I am running the FreeBSD-based router OS OPNSense in a domU. I
> > recently upgraded my dom0 kernel from 5.15.26 to 5.15.32 and with the
> > new kernel, OPNSense had no connectivity. I downloaded from kernel.org
> > 5.15.26-32, built and installed each version and booted them
> > consecutively until I found the version that no longer worked. It
> > turned out to be 5.15.29.
> >
> > I looked through the change log of 5.15.29 and found two commits for 
> > xen-netback
> >
> > commit 2708ceb4e5cc84ef179bad25a2d7890573ef78be commit
> > fe39ab30dcc204e321c2670cc1cf55904af35d01
> >
> > I reverted these changes (a revert of a revert, yes)  in 5.15.32,
> > built and installed. Now the network works. Now I dont know enough to
> > know thats for sure the right fix.
>
> Could you try if reverting only one of those fixes your issue?
>
> > Maybe I have a config issue, I dont
> > know, but reverting that change fixes the problem. What should I do?
> > I was asked to provide xenstore -ls https://pastebin.com/hHPWgrEy
>
> It's better to post the output of `xenstore-ls -fp`, as that's way
> easier to read.
>
> So it's only OPNSense that's affected, other VMs run fine?
>
> Do you get any output from Linux dmesg?
>
> From the output of xenstore that you pasted, you do have another
> guests that seems to be running fine regarding network, are there any
> differences in the configuration file?
>
> FWIW, it seems like the netback instances are stuck in state 2.
>
> I think we need the guest config file, plus the output from `xl
> -vvv create config_file.cfg`
>
> Thanks, Roger.