Xen users - Nov 2012 - OVMF Bios Option

Hello Xen Users,

Been experimenting with upstream-qemu and wanted to try out the OVMF bios
option, but I seem to be missing something.

Are there additional steps to installing OVMF beyond compiling Xen?  I saw
notes on patching back in february, but I thought the package was included
with Xen 4.2 on release.

When I attempt to set it as my bios option, the machine boots then
immediately closes.  The /var/log/xen files are empty, and running "xl -vvv
create" spits out roughly 100 lines but I haven''t been able to
filter
anything specific to OVMF or why it closes.  I have appended the output
below (I ran several tests the output was the same regardless of what OS I
attempted to use).

Any suggestions would be appreciated.

Thanks,

Casey


Parsing config from /etc/xen/win8.cfg
libxl: debug: libxl_create.c:1173:do_domain_create: ao 0x9cc890: create:
how=(nil) callback=(nil) poller=0x9cc920
libxl: debug: libxl_device.c:229:libxl__device_disk_set_backend: Disk
vdev=hda spec.backend=unknown
libxl: debug: libxl_device.c:265:libxl__device_disk_set_backend: Disk
vdev=hda, using backend phy
libxl: debug: libxl_device.c:229:libxl__device_disk_set_backend: Disk
vdev=hdc spec.backend=unknown
libxl: debug: libxl_device.c:175:disk_try_backend: Disk vdev=hdc, backend
phy unsuitable as phys path not a block device
libxl: debug: libxl_device.c:184:disk_try_backend: Disk vdev=hdc, backend
tap unsuitable because blktap not available
libxl: debug: libxl_device.c:265:libxl__device_disk_set_backend: Disk
vdev=hdc, using backend qdisk
libxl: debug: libxl_create.c:677:initiate_domain_create: running bootloader
libxl: debug: libxl_bootloader.c:321:libxl__bootloader_run: not a PV
domain, skipping bootloader
libxl: debug: libxl_event.c:561:libxl__ev_xswatch_deregister: watch
w=0x9cdb40: deregister unregistered
libxl: debug: libxl_numa.c:435:libxl__get_numa_candidate: New best NUMA
placement candidate found: nr_nodes=1, nr_cpus=8, nr_vcpus=10,
free_memkb=29215
libxl: detail: libxl_dom.c:192:numa_place_domain: NUMA placement candidate
with 1 nodes, 8 cpus and 29215 KB free selected
xc: detail: elf_parse_binary: phdr: paddr=0x100000 memsz=0x9df08
xc: detail: elf_parse_binary: memory: 0x100000 -> 0x19df08
xc: info: VIRTUAL MEMORY ARRANGEMENT:
  Loader:        0000000000100000->000000000019df08
  TOTAL:         0000000000000000->00000000ff000000
  ENTRY ADDRESS: 0000000000100000
xc: info: PHYSICAL MEMORY ALLOCATION:
  4KB PAGES: 0x0000000000000200
  2MB PAGES: 0x00000000000003f7
  1GB PAGES: 0x0000000000000002
xc: detail: elf_load_binary: phdr 0 at 0x0x7f7375ca2000 -> 0x0x7f7375d36d95
libxl: debug: libxl_device.c:229:libxl__device_disk_set_backend: Disk
vdev=hda spec.backend=phy
libxl: debug: libxl_event.c:512:libxl__ev_xswatch_register: watch
w=0x9cf248 wpath=/local/domain/0/backend/vbd/10/768/state token=3/0:
register slotnum=3
libxl: debug: libxl_device.c:229:libxl__device_disk_set_backend: Disk
vdev=hdc spec.backend=qdisk
libxl: debug: libxl_device.c:229:libxl__device_disk_set_backend: Disk
vdev=hdc spec.backend=qdisk
libxl: debug: libxl_create.c:1186:do_domain_create: ao 0x9cc890:
inprogress: poller=0x9cc920, flags=i
libxl: debug: libxl_event.c:457:watchfd_callback: watch w=0x9cf248
wpath=/local/domain/0/backend/vbd/10/768/state token=3/0: event
epath=/local/domain/0/backend/vbd/10/768/state
libxl: debug: libxl_event.c:596:devstate_watch_callback: backend
/local/domain/0/backend/vbd/10/768/state wanted state 2 ok
libxl: debug: libxl_event.c:549:libxl__ev_xswatch_deregister: watch
w=0x9cf248 wpath=/local/domain/0/backend/vbd/10/768/state token=3/0:
deregister slotnum=3
libxl: debug: libxl_event.c:561:libxl__ev_xswatch_deregister: watch
w=0x9cf248: deregister unregistered
libxl: debug: libxl_device.c:916:device_hotplug: calling hotplug script:
/etc/xen/scripts/block add
libxl: debug: libxl_event.c:426:watchfd_callback: watch
epath=/local/domain/0/backend/vbd/10/768/state token=3/0: empty slot
libxl: debug: libxl_dm.c:1142:libxl__spawn_local_dm: Spawning device-model
/usr/lib/xen/bin/qemu-system-i386 with arguments:
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
/usr/lib/xen/bin/qemu-system-i386
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -xen-domid
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   10
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -chardev
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
socket,id=libxl-cmd,path=/var/run/xen/qmp-libxl-10,server,nowait
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -mon
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
chardev=libxl-cmd,mode=control
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -name
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   win8
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -vnc
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   127.0.0.1:0,to=99
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -sdl
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -vga
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   std
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -boot
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   order=dc
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -usb
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -usbdevice
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   tablet
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -smp
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   2,maxcpus=2
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -device
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
e1000,id=nic0,netdev=net0,mac=00:16:3e:14:b1:1d
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -netdev
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
type=tap,id=net0,ifname=vif10.0-emu,script=no,downscript=no
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -M
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   xenfv
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -m
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   4080
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -drive
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
file=/dev/mapper/xen-win8,if=ide,index=0,media=disk,format=raw
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -drive
libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
file=/home/cdelorme/win8.iso,if=ide,index=2,media=cdrom,format=raw
libxl: debug: libxl_event.c:512:libxl__ev_xswatch_register: watch
w=0x9cdd78 wpath=/local/domain/0/device-model/10/state token=3/1: register
slotnum=3
libxl: debug: libxl_event.c:457:watchfd_callback: watch w=0x9cdd78
wpath=/local/domain/0/device-model/10/state token=3/1: event
epath=/local/domain/0/device-model/10/state
libxl: debug: libxl_event.c:457:watchfd_callback: watch w=0x9cdd78
wpath=/local/domain/0/device-model/10/state token=3/1: event
epath=/local/domain/0/device-model/10/state
libxl: debug: libxl_event.c:549:libxl__ev_xswatch_deregister: watch
w=0x9cdd78 wpath=/local/domain/0/device-model/10/state token=3/1:
deregister slotnum=3
libxl: debug: libxl_event.c:561:libxl__ev_xswatch_deregister: watch
w=0x9cdd78: deregister unregistered
libxl: debug: libxl_qmp.c:646:libxl__qmp_initialize: connected to
/var/run/xen/qmp-libxl-10
libxl: debug: libxl_qmp.c:298:qmp_handle_response: message type: qmp
libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp command:
''{"execute":"qmp_capabilities","id":1}''
libxl: debug: libxl_qmp.c:298:qmp_handle_response: message type: return
libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp command:
''{"execute":"query-chardev","id":2}''
libxl: debug: libxl_qmp.c:298:qmp_handle_response: message type: return
libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp command:
''{"execute":"query-vnc","id":3}''
libxl: debug: libxl_qmp.c:298:qmp_handle_response: message type: return
libxl: debug: libxl_event.c:512:libxl__ev_xswatch_register: watch
w=0x9d3228 wpath=/local/domain/0/backend/vif/10/0/state token=3/2: register
slotnum=3
libxl: debug: libxl_event.c:457:watchfd_callback: watch w=0x9d3228
wpath=/local/domain/0/backend/vif/10/0/state token=3/2: event
epath=/local/domain/0/backend/vif/10/0/state
libxl: debug: libxl_event.c:600:devstate_watch_callback: backend
/local/domain/0/backend/vif/10/0/state wanted state 2 still waiting state 1
libxl: debug: libxl_event.c:457:watchfd_callback: watch w=0x9d3228
wpath=/local/domain/0/backend/vif/10/0/state token=3/2: event
epath=/local/domain/0/backend/vif/10/0/state
libxl: debug: libxl_event.c:596:devstate_watch_callback: backend
/local/domain/0/backend/vif/10/0/state wanted state 2 ok
libxl: debug: libxl_event.c:549:libxl__ev_xswatch_deregister: watch
w=0x9d3228 wpath=/local/domain/0/backend/vif/10/0/state token=3/2:
deregister slotnum=3
libxl: debug: libxl_event.c:561:libxl__ev_xswatch_deregister: watch
w=0x9d3228: deregister unregistered
libxl: debug: libxl_device.c:916:device_hotplug: calling hotplug script:
/etc/xen/scripts/vif-bridge online
libxl: debug: libxl_device.c:916:device_hotplug: calling hotplug script:
/etc/xen/scripts/vif-bridge add
libxl: debug: libxl_event.c:1667:libxl__ao_progress_report: ao 0x9cc890:
progress report: ignored
libxl: debug: libxl_event.c:1497:libxl__ao_complete: ao 0x9cc890: complete,
rc=0
libxl: debug: libxl_event.c:1469:libxl__ao__destroy: ao 0x9cc890: destroy
Daemon running with PID 7184
xc: debug: hypercall buffer: total allocations:1042 total releases:1042
xc: debug: hypercall buffer: current allocations:0 maximum allocations:4
xc: debug: hypercall buffer: cache current size:4
xc: debug: hypercall buffer: cache hits:1034 misses:4 toobig:4


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On Fri, 2012-11-09 at 19:50 +0000, Casey DeLorme wrote:
> Been experimenting with upstream-qemu and wanted to try out the OVMF
> bios option, but I seem to be missing something.
> 
> 
> Are there additional steps to installing OVMF beyond compiling Xen?
You need to enable the option at build time:
	./configure --enable-ovmf
> When I attempt to set it as my bios option, the machine boots then
> immediately closes.  The /var/log/xen files are empty, and running "xl
> -vvv create" spits out roughly 100 lines but I haven''t been
able to
> filter anything specific to OVMF or why it closes.
Anything on the console?
>   I have appended the output below (I ran several tests the output was
> the same regardless of what OS I attempted to use).
> 
> 
> Any suggestions would be appreciated.
> 
> Thanks,
> 
> 
> Casey
> 
> 
> 
> 
> Parsing config from /etc/xen/win8.cfg
> libxl: debug: libxl_create.c:1173:do_domain_create: ao 0x9cc890:
> create: how=(nil) callback=(nil) poller=0x9cc920
> libxl: debug: libxl_device.c:229:libxl__device_disk_set_backend: Disk
> vdev=hda spec.backend=unknown
> libxl: debug: libxl_device.c:265:libxl__device_disk_set_backend: Disk
> vdev=hda, using backend phy
> libxl: debug: libxl_device.c:229:libxl__device_disk_set_backend: Disk
> vdev=hdc spec.backend=unknown
> libxl: debug: libxl_device.c:175:disk_try_backend: Disk vdev=hdc,
> backend phy unsuitable as phys path not a block device
> libxl: debug: libxl_device.c:184:disk_try_backend: Disk vdev=hdc,
> backend tap unsuitable because blktap not available
> libxl: debug: libxl_device.c:265:libxl__device_disk_set_backend: Disk
> vdev=hdc, using backend qdisk
> libxl: debug: libxl_create.c:677:initiate_domain_create: running
> bootloader
> libxl: debug: libxl_bootloader.c:321:libxl__bootloader_run: not a PV
> domain, skipping bootloader
> libxl: debug: libxl_event.c:561:libxl__ev_xswatch_deregister: watch
> w=0x9cdb40: deregister unregistered
> libxl: debug: libxl_numa.c:435:libxl__get_numa_candidate: New best
> NUMA placement candidate found: nr_nodes=1, nr_cpus=8, nr_vcpus=10,
> free_memkb=29215
> libxl: detail: libxl_dom.c:192:numa_place_domain: NUMA placement
> candidate with 1 nodes, 8 cpus and 29215 KB free selected
> xc: detail: elf_parse_binary: phdr: paddr=0x100000 memsz=0x9df08
> xc: detail: elf_parse_binary: memory: 0x100000 -> 0x19df08
> xc: info: VIRTUAL MEMORY ARRANGEMENT:
>   Loader:        0000000000100000->000000000019df08
>   TOTAL:         0000000000000000->00000000ff000000
>   ENTRY ADDRESS: 0000000000100000
> xc: info: PHYSICAL MEMORY ALLOCATION:
>   4KB PAGES: 0x0000000000000200
>   2MB PAGES: 0x00000000000003f7
>   1GB PAGES: 0x0000000000000002
> xc: detail: elf_load_binary: phdr 0 at 0x0x7f7375ca2000 ->
> 0x0x7f7375d36d95
> libxl: debug: libxl_device.c:229:libxl__device_disk_set_backend: Disk
> vdev=hda spec.backend=phy
> libxl: debug: libxl_event.c:512:libxl__ev_xswatch_register: watch
> w=0x9cf248 wpath=/local/domain/0/backend/vbd/10/768/state token=3/0:
> register slotnum=3
> libxl: debug: libxl_device.c:229:libxl__device_disk_set_backend: Disk
> vdev=hdc spec.backend=qdisk
> libxl: debug: libxl_device.c:229:libxl__device_disk_set_backend: Disk
> vdev=hdc spec.backend=qdisk
> libxl: debug: libxl_create.c:1186:do_domain_create: ao 0x9cc890:
> inprogress: poller=0x9cc920, flags=i
> libxl: debug: libxl_event.c:457:watchfd_callback: watch w=0x9cf248
> wpath=/local/domain/0/backend/vbd/10/768/state token=3/0: event
> epath=/local/domain/0/backend/vbd/10/768/state
> libxl: debug: libxl_event.c:596:devstate_watch_callback:
> backend /local/domain/0/backend/vbd/10/768/state wanted state 2 ok
> libxl: debug: libxl_event.c:549:libxl__ev_xswatch_deregister: watch
> w=0x9cf248 wpath=/local/domain/0/backend/vbd/10/768/state token=3/0:
> deregister slotnum=3
> libxl: debug: libxl_event.c:561:libxl__ev_xswatch_deregister: watch
> w=0x9cf248: deregister unregistered
> libxl: debug: libxl_device.c:916:device_hotplug: calling hotplug
> script: /etc/xen/scripts/block add
> libxl: debug: libxl_event.c:426:watchfd_callback: watch
> epath=/local/domain/0/backend/vbd/10/768/state token=3/0: empty slot
> libxl: debug: libxl_dm.c:1142:libxl__spawn_local_dm: Spawning
> device-model /usr/lib/xen/bin/qemu-system-i386 with arguments:
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
>   /usr/lib/xen/bin/qemu-system-i386
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -xen-domid
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   10
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -chardev
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
> socket,id=libxl-cmd,path=/var/run/xen/qmp-libxl-10,server,nowait
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -mon
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
> chardev=libxl-cmd,mode=control
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -name
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   win8
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -vnc
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
> 127.0.0.1:0,to=99
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -sdl
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -vga
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   std
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -boot
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   order=dc
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -usb
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -usbdevice
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   tablet
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -smp
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   2,maxcpus=2
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -device
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
> e1000,id=nic0,netdev=net0,mac=00:16:3e:14:b1:1d
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -netdev
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
> type=tap,id=net0,ifname=vif10.0-emu,script=no,downscript=no
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -M
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   xenfv
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -m
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   4080
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -drive
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
> file=/dev/mapper/xen-win8,if=ide,index=0,media=disk,format=raw
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:   -drive
> libxl: debug: libxl_dm.c:1144:libxl__spawn_local_dm:
> file=/home/cdelorme/win8.iso,if=ide,index=2,media=cdrom,format=raw
> libxl: debug: libxl_event.c:512:libxl__ev_xswatch_register: watch
> w=0x9cdd78 wpath=/local/domain/0/device-model/10/state token=3/1:
> register slotnum=3
> libxl: debug: libxl_event.c:457:watchfd_callback: watch w=0x9cdd78
> wpath=/local/domain/0/device-model/10/state token=3/1: event
> epath=/local/domain/0/device-model/10/state
> libxl: debug: libxl_event.c:457:watchfd_callback: watch w=0x9cdd78
> wpath=/local/domain/0/device-model/10/state token=3/1: event
> epath=/local/domain/0/device-model/10/state
> libxl: debug: libxl_event.c:549:libxl__ev_xswatch_deregister: watch
> w=0x9cdd78 wpath=/local/domain/0/device-model/10/state token=3/1:
> deregister slotnum=3
> libxl: debug: libxl_event.c:561:libxl__ev_xswatch_deregister: watch
> w=0x9cdd78: deregister unregistered
> libxl: debug: libxl_qmp.c:646:libxl__qmp_initialize: connected
> to /var/run/xen/qmp-libxl-10
> libxl: debug: libxl_qmp.c:298:qmp_handle_response: message type: qmp
> libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp command:
>
''{"execute":"qmp_capabilities","id":1}''
> libxl: debug: libxl_qmp.c:298:qmp_handle_response: message type:
> return
> libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp command:
>
''{"execute":"query-chardev","id":2}''
> libxl: debug: libxl_qmp.c:298:qmp_handle_response: message type:
> return
> libxl: debug: libxl_qmp.c:555:qmp_send_prepare: next qmp command:
>
''{"execute":"query-vnc","id":3}''
> libxl: debug: libxl_qmp.c:298:qmp_handle_response: message type:
> return
> libxl: debug: libxl_event.c:512:libxl__ev_xswatch_register: watch
> w=0x9d3228 wpath=/local/domain/0/backend/vif/10/0/state token=3/2:
> register slotnum=3
> libxl: debug: libxl_event.c:457:watchfd_callback: watch w=0x9d3228
> wpath=/local/domain/0/backend/vif/10/0/state token=3/2: event
> epath=/local/domain/0/backend/vif/10/0/state
> libxl: debug: libxl_event.c:600:devstate_watch_callback:
> backend /local/domain/0/backend/vif/10/0/state wanted state 2 still
> waiting state 1
> libxl: debug: libxl_event.c:457:watchfd_callback: watch w=0x9d3228
> wpath=/local/domain/0/backend/vif/10/0/state token=3/2: event
> epath=/local/domain/0/backend/vif/10/0/state
> libxl: debug: libxl_event.c:596:devstate_watch_callback:
> backend /local/domain/0/backend/vif/10/0/state wanted state 2 ok
> libxl: debug: libxl_event.c:549:libxl__ev_xswatch_deregister: watch
> w=0x9d3228 wpath=/local/domain/0/backend/vif/10/0/state token=3/2:
> deregister slotnum=3
> libxl: debug: libxl_event.c:561:libxl__ev_xswatch_deregister: watch
> w=0x9d3228: deregister unregistered
> libxl: debug: libxl_device.c:916:device_hotplug: calling hotplug
> script: /etc/xen/scripts/vif-bridge online
> libxl: debug: libxl_device.c:916:device_hotplug: calling hotplug
> script: /etc/xen/scripts/vif-bridge add
> libxl: debug: libxl_event.c:1667:libxl__ao_progress_report: ao
> 0x9cc890: progress report: ignored
> libxl: debug: libxl_event.c:1497:libxl__ao_complete: ao 0x9cc890:
> complete, rc=0
> libxl: debug: libxl_event.c:1469:libxl__ao__destroy: ao 0x9cc890:
> destroy
> Daemon running with PID 7184
> xc: debug: hypercall buffer: total allocations:1042 total
> releases:1042
> xc: debug: hypercall buffer: current allocations:0 maximum
> allocations:4
> xc: debug: hypercall buffer: cache current size:4
> xc: debug: hypercall buffer: cache hits:1034 misses:4 toobig:4
> 
>