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Date:      Thu, 5 Oct 2023 15:11:02 -0700
From:      Steve Kargl <sgk@troutmask.apl.washington.edu>
To:        Kristof Provost <kp@freebsd.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: panic in cypto code
Message-ID:  <ZR80dr6JkIxMTO1B@troutmask.apl.washington.edu>
In-Reply-To: <77656A9F-CDBA-4FB6-AE42-896285E967CC@FreeBSD.org>
References:  <ZR7YDQzefBT31Ozn@troutmask.apl.washington.edu> <10AA8134-04A9-43D3-90C9-CBC3012A77D3@FreeBSD.org> <ZR7zko53hqblT48p@troutmask.apl.washington.edu> <77656A9F-CDBA-4FB6-AE42-896285E967CC@FreeBSD.org>

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On Thu, Oct 05, 2023 at 11:33:46PM +0200, Kristof Provost wrote:
> On 5 Oct 2023, at 19:34, Steve Kargl wrote:
> > On Thu, Oct 05, 2023 at 06:05:37PM +0200, Kristof Provost wrote:
> >>
> >> On 5 Oct 2023, at 17:36, Steve Kargl wrote:
> >>> In case anyone else is using openvpn.
> >>>

(dump removed to keep this brief)

> >>>
> >> Do you have a bit more information about what happened here?
> >> As in: can you reproduce this, or do you have any idea what
> >> was going on to trigger this?  Did anything change in your
> >> setup (i.e. is if_ovpn use new, or did you update either kernel
> >> or userspace or ?
> >
> > I updated the system on the date displayed by 'uname -a'.
> > This included both base system and all installed ports;
> > including openvpn.  I normally leave the system running Xorg,
> > and I would find the system in a "locked-up" blank-screen
> > saver state.  I assumed I was having a Xorg/drm-kmod problem,
> > so I shut Xorg down last night.  The above panic was waiting
> > for me this morning.  The panic happens every night.
> >
> > Note , I don't use if_ovpn.  This a client over a tun0 device
> > through wlan0.
> >
> The backtrace contradicts you, but DCO is relatively transparent,
> so it’s quite possible you didn’t notice. It defaults to being
> enabled, and ought to just work.

Certainly, possible as I only quickly reviewed the dump.
The kernel is a custom kernel.  I don't recall adding a 
"device opvn" line.  Perhaps, starting openvpn autoloads a 
kernel module.  I'll need to check when I get home.

> >>
> >> Do you have the full core dump to poke at?
> >>
> >
> > Yes, I do, but it's on a home system.  I can put it up on
> > my kargl@freefall later tonight (in 10-ish hours).  I'll
> > include the dmesg.boot so you have some idea about the
> > hardware.
> >
> That’d be very helpful, thanks.
> 

I'll ping you off list when it's available.

-- 
Steve



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