Re: Panic on boot after upgrade from r320827 -> r320869

On Tue, Jul 11, 2017 at 6:13 AM, David Wolfskill <david_at_catwhisker.org>
wrote:

> On Mon, Jul 10, 2017 at 04:51:09AM -0700, David Wolfskill wrote:
> > Pnic occurred prior to mounting file systems....
>
> While O. Hartmann had written to indicate the he had identified r320844
> as the culprit, and I had other reason to suspect it, I was a bit busy
> at work yesterday, and unable to determine this for myself empirically.
>
> I went ahead and updated my "head" sources to r320884 (without
> attempting to revert r320844), while running head _at_r320827.
>
> On reboot, I (again) had a panic on the laptop that looked similar
> to the one from yesterday (r320869).
>
> On the build machine, however, I encountered the "mountroot" issue that
> O. Hartmann had described.
>
> I have again created screenshots; they may be found in
> <http://www.catwhisker.org/~david/FreeBSD/head/r320884/>.  For the
> laptop, the last of them shows the backtrace; the one previous shows
> the panic message.  For the build machine ("freebeast"), the last
> shows that when I asked for a list of "valid disk boot devices,"
> what was presented was an empty list.  (I found a working keyboard for
> it.)
>
> The most recent verbnose dmesg.boot from a successful boot of the
> laptop (running head) may still be found at
> <http://www.catwhisker.org/~david/FreeBSD/history/laptop.12_dmesg.txt>.
> For the build machine, it is
> <http://www.catwhisker.org/~david/FreeBSD/history/freebeast.12_dmesg.txt>.
>
> I believe that each of the machines has an MMC slot, but I also believe
> that in each case, it is empty.
>
> Is there anything else I might be able to do to help resolve this?
>

Try building a kernel without sdhci in it.

It's looking like the scans for ata devices are returning errors on the
desktop machine you have, which shouldn't have been happening.

Also, can you try a 100% clean build of GENERIC to make sure there's not a
meta-mode bug?

Warner