12.0-RELEASE-p4 kernel panic on i386 boot

[wintellect Auser]

Hi all,

Wanted to make you aware of an issue I have encountered, sorry if this is
the wrong list.

I upgraded from FreeBSD 12.0-RELEASE-p3 to p4 using:

freebsd-fetch update
freebsd-fetch install

and use the GENERIC kernel. Upon reboot the system kernel panics when
attempting to mount the filesystem read-write. This also happens in
single-user mode if selected at boot.

Selecting the kernel.old from the boot menu boots the system with 12-p3 and
all works fine. I have uploaded a screenshot here:

https://imagebin.ca/v/4hCc2Kk5YqCX

The computer is an i386 system.

Thanks

wintellect