Re: OPNSense (FreeBSD 13.1-p6) kernel panic

From: Richard Hurt <>
Date: Wed, 01 Mar 2023 03:19:58 UTC
Yes, that was exactly the problem.  Sorry for wasting everyone's time.


On Tue, Feb 28, 2023 at 9:29 AM Eugene Grosbein <> wrote:

> 28.02.2023 19:25, Richard Hurt wrote:
> > After a recent OPNSense update my HD activity light was staying on and
> the CPU meter on the OPNSense dashboard was reading 100%.  After looking
> for anything obvious and turning off all the services I could, the CPU was
> still pegged and the HD light was still on constantly.  So I rebooted the
> machine; it never came back online.
> >
> > After I attached a monitor to the machine I saw that it had a kernel
> panic.  While unusual I didn't think too much of it however rebooting the
> machine didn't resolve the issue.  So, I removed all the cards, memory,
> etc. to see if I could get a clean boot.  Nothing helped and I continued to
> get a kernel panic.
> >
> > I thought it might be a corrupted hard drive or something so I
> disconnected the drive and booted off a USB thumb drive with a fresh copy
> of OPNSense v23.1 installed on it.  The system booted just fine and ran the
> live version.  So I turned the machine off, reconnected the drive, rebooted
> and installed v23.1 on the HD.  The install worked perfectly and the
> machine rebooted.  Once again, I got the kernel panic.
> >
> > My next thought was that maybe the HD was "bad".  I replaced the HD and
> again installed a fresh copy of v23.1.  Again, the kernel panic showed up.
> Arrggghhh!
> >
> > I'm running Memtest86 v6.10 right now and it has passed 4 times, so I
> don't think it's memory related.  I've replaced the HD so that's (probably)
> not the problem.  It seems to work fine when booting from the USB flash
> drive (it's just slooooow) so the CPU seems to be OK.
> >
> > After the kernel panic the machine is locked up completely.  Nothing
> works.  The keyboard doesn't do anything, the capslock key doesn't, light
> up and the floppy drive light is stuck on.
> >
> > I've not been able to get a text output of the panic but here is a
> screenshot I took from my phone:  I posted
> about this first on the OPNSense forum (
> but
> they said that this mailing list was probably the better option.
> >
> > Equipment:
> > * Acer Aspire AST180-UA380B
> > * AMD Athlon 3800+
> > * 3GB RAM
> > * 1TB SATA drive
> >
> > Thanx
> > Richard
> The problem seems to be known and specific to OPNSense that change some
> default FreeBSD settings
> unconditionally, no matter if hardware's compatible with non-default
> setting or not: