# xl -vvv create debian.cfg
Parsing config from debian.cfg
libxl: debug: libxl_create.c:1512:do_domain_create: ao 0x802834080: create: how=0x0 callback=0x0 poller=0x80281f0a0
libxl: debug: libxl_device.c:269:libxl__device_disk_set_backend: Disk vdev=xvda spec.backend=unknown
libxl: debug: libxl_device.c:298:libxl__device_disk_set_backend: Disk vdev=xvda, using backend phy
libxl: debug: libxl_create.c:915:initiate_domain_create: running bootloader
libxl: debug: libxl_device.c:269:libxl__device_disk_set_backend: Disk vdev=(null) spec.backend=phy
libxl: debug: libxl.c:3020:libxl__device_disk_local_initiate_attach: locally attaching PHY disk /dev/zvol/tank/debian
libxl: debug: libxl_bootloader.c:411:bootloader_disk_attached_cb: Config bootloader value: pygrub
libxl: debug: libxl_bootloader.c:427:bootloader_disk_attached_cb: Checking for bootloader in libexec path: /usr/local/lib/xen/bin/pygrub
libxl: debug: libxl_create.c:1528:do_domain_create: ao 0x802834080: inprogress: poller=0x80281f0a0, flags=i
libxl: debug: libxl_event.c:577:libxl__ev_xswatch_register: watch w=0x802836780 wpath=/local/domain/6 token=3/0: register slotnum=3
libxl: debug: libxl_event.c:1942:libxl__ao_progress_report: ao 0x802834080: progress report: ignored
libxl: debug: libxl_bootloader.c:537:bootloader_gotptys: executing bootloader: /usr/local/lib/xen/bin/pygrub
libxl: debug: libxl_bootloader.c:541:bootloader_gotptys:   bootloader arg: /usr/local/lib/xen/bin/pygrub
libxl: debug: libxl_bootloader.c:541:bootloader_gotptys:   bootloader arg: --output=/var/run/xen/bootloader.6.out
libxl: debug: libxl_bootloader.c:541:bootloader_gotptys:   bootloader arg: --output-format=simple0
libxl: debug: libxl_bootloader.c:541:bootloader_gotptys:   bootloader arg: --output-directory=/var/run/xen/bootloader.6.d
libxl: debug: libxl_bootloader.c:541:bootloader_gotptys:   bootloader arg: /dev/zvol/tank/debian
libxl: debug: libxl_event.c:514:watchfd_callback: watch w=0x802836780 wpath=/local/domain/6 token=3/0: event epath=/local/domain/6
DC READABLE
DC READABLE CONTINUING 1
DC READABLE LOOP
DC READABLE READ r=0 Interrupted system call
libxl: error: libxl_bootloader.c:594:bootloader_copyfail: unexpected eof copying bootloader output
libxl: debug: libxl_bootloader.c:636:bootloader_finished: bootloader completed
libxl: debug: libxl_event.c:615:libxl__ev_xswatch_deregister: watch w=0x802836780 wpath=/local/domain/6 token=3/0: deregister slotnum=3
libxl: error: libxl_create.c:1129:domcreate_rebuild_done: cannot (re-)build domain: -3
libxl: debug: libxl_event.c:1766:libxl__ao_complete: ao 0x802834080: complete, rc=-3
libxl: debug: libxl_event.c:1738:libxl__ao__destroy: ao 0x802834080: destroy
xc: debug: hypercall buffer: total allocations:44 total releases:44
xc: debug: hypercall buffer: current allocations:0 maximum allocations:2
xc: debug: hypercall buffer: cache current size:2
xc: debug: hypercall buffer: cache hits:35 misses:2 toobig:7