ok,the errors have changed...
root@devuan-bunsen:/mnt/zroot2/zroot2/OS/Chromebook/freebsd-xen/domU-freebsd# ./start-freebsd
Parsing config from freebsd.cfg
libxl: debug: libxl_create.c:2081:do_domain_create: ao 0x442780: create: how=(nil) callback=(nil) poller=0x43cc50
libxl: detail: libxl_create.c:662:libxl__domain_make: passthrough: disabled
libxl: debug: libxl_arm.c:148:libxl__arch_domain_prepare_config: Configure the domain
libxl: debug: libxl_arm.c:151:libxl__arch_domain_prepare_config: - Allocate 0 SPIs
libxl: debug: libxl_device.c:415:libxl__device_disk_set_backend: Disk vdev=xvda spec.backend=unknown specification=xen
libxl: debug: libxl_device.c:452:libxl__device_disk_set_backend: Disk vdev=xvda, using backend phy
libxl: debug: libxl_create.c:1342:initiate_domain_create: Domain 1:running bootloader
libxl: debug: libxl_bootloader.c:417:libxl__bootloader_run: Domain 1:no bootloader configured, using user supplied kernel
libxl: debug: libxl_event.c:863:libxl__ev_xswatch_deregister: watch w=0x43d8f0: deregister unregistered
domainbuilder: detail: xc_dom_allocate: cmdline="console=hvc0", features=""
domainbuilder: detail: xc_dom_kernel_file: filename="/mnt/zroot2/zroot2/OS/Chromebook/freebsd-xen/domU-freebsd/bootloaders/kernel.bin"
domainbuilder: detail: xc_dom_malloc_filemap : 9620 kB
domainbuilder: detail: xc_dom_boot_xen_init: ver 4.17, caps xen-3.0-armv7l
domainbuilder: detail: xc_dom_rambase_init: RAM starts at 40000
domainbuilder: detail: xc_dom_parse_image: called
domainbuilder: detail: xc_dom_find_loader: trying multiboot-binary loader ...
domainbuilder: detail: loader probe failed
domainbuilder: detail: xc_dom_find_loader: trying Linux zImage (ARM64) loader ...
domainbuilder: detail: xc_dom_probe_zimage64_kernel: kernel is not an arm64 Image
domainbuilder: detail: loader probe failed
domainbuilder: detail: xc_dom_find_loader: trying Linux zImage (ARM32) loader ...
domainbuilder: detail: loader probe OK
domainbuilder: detail: xc_dom_parse_zimage32_kernel: called
domainbuilder: detail: xc_dom_parse_zimage32_kernel: xen-3.0-armv7l: 0x40008000 -> 0x4096d14c
domainbuilder: detail: xc_dom_compat_check: supported guest type: xen-3.0-armv7l <= matches
libxl: debug: libxl_arm.c:1145:libxl__prepare_dtb: constructing DTB for Xen version 4.17 guest
libxl: debug: libxl_arm.c:1147:libxl__prepare_dtb: - vGIC version: V2
libxl: debug: libxl_arm.c:462:make_chosen_node: /chosen/bootargs = console=hvc0
libxl: debug: libxl_arm.c:614:make_memory_nodes: Creating placeholder node /memory@40000000
libxl: debug: libxl_arm.c:614:make_memory_nodes: Creating placeholder node /memory@200000000
libxl: debug: libxl_arm.c:1267:libxl__prepare_dtb: fdt total size 1475
domainbuilder: detail: xc_dom_devicetree_mem: called
libxl: debug: libxl_arm.c:1313:libxl__arch_domain_init_hw_description: Generating ACPI tables is disabled by user.
domainbuilder: detail: xc_dom_mem_init: mem 512 MB, pages 0x20000 pages, 4k each
domainbuilder: detail: xc_dom_mem_init: 0x20000 pages
domainbuilder: detail: xc_dom_boot_mem_init: called
domainbuilder: detail: set_mode: guest xen-3.0-armv7l, address size 32
domainbuilder: detail: populate_guest_memory: populating RAM @ 0000000040000000-0000000060000000 (512MB)
domainbuilder: detail: populate_one_size: populated 0x100/0x100 entries with shift 9
domainbuilder: detail: meminit: placing boot modules at 0x48000000
domainbuilder: detail: meminit: devicetree: 0x48000000 -> 0x48001000
libxl: debug: libxl_arm.c:1412:finalize_hypervisor_node: Extended region 0: 0x60000000->0x100000000
libxl: debug: libxl_arm.c:1412:finalize_hypervisor_node: Extended region 1: 0x200000000->0x10000000000
libxl: debug: libxl_arm.c:1347:finalise_one_node: Populating placeholder node /memory@40000000
libxl: debug: libxl_arm.c:1341:finalise_one_node: Nopping out placeholder node /memory@200000000
domainbuilder: detail: xc_dom_build_image: called
domainbuilder: detail: xc_dom_pfn_to_ptr_retcount: domU mapping: pfn 0x40008+0x966 at 0xb5972000
domainbuilder: detail: xc_dom_alloc_segment: kernel : 0x40008000 -> 0x4096e000 (pfn 0x40008 + 0x966 pages)
domainbuilder: detail: xc_dom_load_zimage_kernel: called
domainbuilder: detail: xc_dom_load_zimage_kernel: kernel seg 0x40008000-0x4096e000
domainbuilder: detail: xc_dom_load_zimage_kernel: copy 9851212 bytes from blob 0xb62d8000 to dst 0xb5972000
domainbuilder: detail: xc_dom_pfn_to_ptr_retcount: domU mapping: pfn 0x48000+0x1 at 0xb6f0a000
domainbuilder: detail: xc_dom_alloc_segment: devicetree : 0x48000000 -> 0x48001000 (pfn 0x48000 + 0x1 pages)
domainbuilder: detail: alloc_magic_pages: called
domainbuilder: detail: xc_dom_build_image : virt_alloc_end : 0x48001000
domainbuilder: detail: xc_dom_build_image : virt_pgtab_end : 0x0
domainbuilder: detail: xc_dom_boot_image: called
domainbuilder: detail: bootearly: doing nothing
domainbuilder: detail: start_info_arm: called
domainbuilder: detail: domain builder memory footprint
domainbuilder: detail: allocated
domainbuilder: detail: malloc : 58 kB
domainbuilder: detail: anon mmap : 0 bytes
domainbuilder: detail: mapped
domainbuilder: detail: file mmap : 9620 kB
domainbuilder: detail: domU mmap : 9628 kB
domainbuilder: detail: vcpu_arm32: called
domainbuilder: detail: Initial state CPSR 0x400001d3 PC 0x40008000
domainbuilder: detail: xc_dom_set_gnttab_entry: d1 gnt[0] -> d0 0x39000
domainbuilder: detail: xc_dom_set_gnttab_entry: d1 gnt[1] -> d0 0x39001
domainbuilder: detail: xc_dom_release: called
libxl: debug: libxl_device.c:415:libxl__device_disk_set_backend: Disk vdev=xvda spec.backend=phy specification=xen
libxl: debug: libxl_event.c:812:libxl__ev_xswatch_register: watch w=0x4410e4 wpath=/local/domain/0/backend/vbd/1/51712/state token=3/0: register slotnum=3
libxl: debug: libxl_create.c:2120:do_domain_create: ao 0x442780: inprogress: poller=0x43cc50, flags=i
libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0x4410e4 wpath=/local/domain/0/backend/vbd/1/51712/state token=3/0: event epath=/local/domain/0/backend/vbd/1/51712/state
libxl: debug: libxl_event.c:1054:devstate_callback: backend /local/domain/0/backend/vbd/1/51712/state wanted state 2 still waiting state 1
libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0x4410e4 wpath=/local/domain/0/backend/vbd/1/51712/state token=3/0: event epath=/local/domain/0/backend/vbd/1/51712/state
libxl: debug: libxl_event.c:1051:devstate_callback: backend /local/domain/0/backend/vbd/1/51712/state wanted state 2 ok
libxl: debug: libxl_event.c:849:libxl__ev_xswatch_deregister: watch w=0x4410e4 wpath=/local/domain/0/backend/vbd/1/51712/state token=3/0: deregister slotnum=3
libxl: debug: libxl_device.c:1150:device_backend_callback: Domain 1:calling device_backend_cleanup
libxl: debug: libxl_event.c:863:libxl__ev_xswatch_deregister: watch w=0x4410e4: deregister unregistered
libxl: debug: libxl_linux.c:194:libxl__hotplug_disk: Domain 1:Args and environment ready
libxl: debug: libxl_device.c:1251:device_hotplug: Domain 1:calling hotplug script: /etc/xen/scripts/block add
libxl: debug: libxl_device.c:1252:device_hotplug: Domain 1:extra args:
libxl: debug: libxl_device.c:1260:device_hotplug: Domain 1:env:
libxl: debug: libxl_device.c:1267:device_hotplug: Domain 1: script: /etc/xen/scripts/block
libxl: debug: libxl_device.c:1267:device_hotplug: Domain 1: XENBUS_TYPE: vbd
libxl: debug: libxl_device.c:1267:device_hotplug: Domain 1: XENBUS_PATH: backend/vbd/1/51712
libxl: debug: libxl_device.c:1267:device_hotplug: Domain 1: XENBUS_BASE_PATH: backend
libxl: debug: libxl_aoutils.c:593:libxl__async_exec_start: forking to execute: /etc/xen/scripts/block add
libxl: debug: libxl_event.c:863:libxl__ev_xswatch_deregister: watch w=0x441168: deregister unregistered
libxl: debug: libxl_linux.c:211:libxl__get_hotplug_script_info: Domain 1:num_exec 1, not running hotplug scripts
libxl: debug: libxl_device.c:1236:device_hotplug: Domain 1:No hotplug script to execute
libxl: debug: libxl_event.c:863:libxl__ev_xswatch_deregister: watch w=0x441168: deregister unregistered
libxl: debug: libxl_event.c:812:libxl__ev_xswatch_register: watch w=0x43e7cc wpath=/local/domain/1/console/tty token=3/1: register slotnum=3
libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0x43e7cc wpath=/local/domain/1/console/tty token=3/1: event epath=/local/domain/1/console/tty
libxl: debug: libxl_event.c:750:watchfd_callback: watch w=0x43e7cc wpath=/local/domain/1/console/tty token=3/1: event epath=/local/domain/1/console/tty
libxl: debug: libxl_event.c:2403:libxl__ao_progress_report: ao 0x442780: progress report: ignored
libxl: debug: libxl_event.c:849:libxl__ev_xswatch_deregister: watch w=0x43e7cc wpath=/local/domain/1/console/tty token=3/1: deregister slotnum=3
libxl: debug: libxl_event.c:863:libxl__ev_xswatch_deregister: watch w=0x43e7cc: deregister unregistered
libxl: debug: libxl_event.c:2067:libxl__ao_complete: ao 0x442780: complete, rc=0
libxl: debug: libxl_event.c:2036:libxl__ao__destroy: ao 0x442780: destroy
libxl: debug: libxl_domain.c:704:libxl_domain_unpause: Domain 1:ao 0x442780: create: how=(nil) callback=(nil) poller=0x43cc50
libxl: debug: libxl_event.c:2067:libxl__ao_complete: ao 0x442780: complete, rc=0
libxl: debug: libxl_domain.c:712:libxl_domain_unpause: Domain 1:ao 0x442780: inprogress: poller=0x43cc50, flags=ic
libxl: debug: libxl_event.c:2036:libxl__ao__destroy: ao 0x442780: destroy
xencall:buffer: debug: total allocations:98 total releases:98
xencall:buffer: debug: current allocations:0 maximum allocations:3
xencall:buffer: debug: cache current size:3
xencall:buffer: debug: cache hits:86 misses:3 toobig:9
xencall:buffer: debug: total allocations:0 total releases:0
xencall:buffer: debug: current allocations:0 maximum allocations:0
xencall:buffer: debug: cache current size:0
xencall:buffer: debug: cache hits:0 misses:0 toobig:0
FROZEN.
Mario.