xen-4.15.0 / NetBSD 9.2 dom0 crash

[manu%netbsd.org@localhost (Emmanuel Dreyfus)]

Hello

Booting xen-4.15.0 / NetBSD 9.2 dom0 gets a startup crash
The machine works will with xen-4.11.3. What can be wrong?

(XEN) Scrubbing Free RAM in background
(XEN) Std. Loglevel: Errors and warnings
(XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
(XEN) *** Serial input to DOM0 (type 'CTRL-a' three times to switch input)
(XEN) Freed 604kB init memory
(XEN) d0v0 Unhandled general protection fault fault/trap [#13, ec=0000]
(XEN) domain_crash_sync called from entry.S: fault at ffff82d0402fcfb8
x86_64/entry.S#create_bounce_frame+0x14f/0x167
(XEN) Domain 0 (vcpu#0) crashed on cpu#3:
(XEN) ----[ Xen-4.15.0nb0  x86_64  debug=n  Not tainted ]----

-- 
Emmanuel Dreyfus
http://hcpnet.free.fr/pubz
manu%netbsd.org@localhost