Panic kernel after "startx"

I've been interested in OpenBSD for some time (in a near future I want to u=
se
OpenBSD almost exclusively).

Since I've an old laptop (ASUS K50IJ) I decided to finally try OpenBSD.
Before installation I read the appropriate parts in the book of Michael
Lucas, *Absolute OpenBSD: Unix for the practical paranoid*.

After several installations I manage to install correctly OpenBSD 6.1. In
terminal everything is OK, e.g. *pkg_add* works flawlessly. The problem is
when *startx* there is immediately a kernel panic
or if it enters in *fvwn* when I *Ctrl+Alt+Backspace*  I get a kernel panic=
.
I tried several things, e.g. installed *xfce* and the same problem. I tried
to use *cwm* (as stated in the book of Lucas) and was not able to get it
working.=20

I would be very grateful if someone can help me with this issue.=20

=10Attached I'm sending the appropriate files.=20

dmesg.txt <http://openbsd-archive.7691.n7.nabble.com/file/n317256/dmesg.txt=
> =20
trace.JPG <http://openbsd-archive.7691.n7.nabble.com/file/n317256/trace.JPG=
> =20
showpanic.JPG
<http://openbsd-archive.7691.n7.nabble.com/file/n317256/showpanic.JPG> =20
register.JPG
<http://openbsd-archive.7691.n7.nabble.com/file/n317256/register.JPG> =20




=20



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