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


  • To: Colton Reeder <colton.reeder@xxxxxxxxx>
  • From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
  • Date: Tue, 10 May 2022 13:18:16 +0200
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  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

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.



 


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