Re: [Xen-devel] handling local attach of phy disks for pygrub (Was: Xen 4.3 xl migrate " htree_dirblock_to_tree" on second host)

[Miguel Clara <miguelmclara@xxxxxxxxx>]

I tried the patch provided by roger, I get a different error now:

Parsing config from test.cfg
libxl: error: libxl_device.c:1127:libxl__wait_for_backend: Backend
/local/domain/0/backend/vbd/0/51712 not ready
libxl: error: libxl_bootloader.c:405:bootloader_disk_attached_cb:
failed to attach local disk for bootloader execution
libxl: error: libxl_bootloader.c:276:bootloader_local_detached_cb:
unable to detach locally attached disk
libxl: error: libxl_create.c:900:domcreate_rebuild_done: cannot
(re-)build domain: -1


with -vvv

# xl -vvv create test.cfg
Parsing config from test.cfg
libxl: debug: libxl_create.c:1230:do_domain_create: ao 0x12548c0:
create: how=(nil) callback=(nil) poller=0x1254980
libxl: debug: libxl_device.c:257:libxl__device_disk_set_backend: Disk
vdev=xvda spec.backend=unknown
libxl: debug: libxl_device.c:188:disk_try_backend: Disk vdev=xvda,
uses script=... assuming phy backend
libxl: debug: libxl_device.c:296:libxl__device_disk_set_backend: Disk
vdev=xvda, using backend phy
libxl: debug: libxl_create.c:675:initiate_domain_create: running bootloader
libxl: debug: libxl_device.c:257:libxl__device_disk_set_backend: Disk
vdev=(null) spec.backend=phy
libxl: debug: libxl_device.c:188:disk_try_backend: Disk vdev=(null),
uses script=... assuming phy backend
libxl: debug: libxl.c:2605:libxl__device_disk_local_initiate_attach:
trying to locally attach PHY device drbd-remus-test with script
block-drbd
libxl: debug: libxl_device.c:257:libxl__device_disk_set_backend: Disk
vdev=xvdf spec.backend=phy
libxl: debug: libxl_device.c:188:disk_try_backend: Disk vdev=xvdf,
uses script=... assuming phy backend
libxl: debug: libxl_event.c:559:libxl__ev_xswatch_register: watch
w=0x124a300 wpath=/local/domain/0/backend/vbd/0/51792/state token=3/0:
register slotnum=3
libxl: debug: libxl_create.c:1243:do_domain_create: ao 0x12548c0:
inprogress: poller=0x1254980, flags=i
libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x124a300
wpath=/local/domain/0/backend/vbd/0/51792/state token=3/0: event
epath=/local/domain/0/backend/vbd/0/51792/state
libxl: debug: libxl_event.c:647:devstate_watch_callback: backend
/local/domain/0/backend/vbd/0/51792/state wanted state 2 still waiting
state 1
libxl: debug: libxl_event.c:503:watchfd_callback: watch w=0x124a300
wpath=/local/domain/0/backend/vbd/0/51792/state token=3/0: event
epath=/local/domain/0/backend/vbd/0/51792/state
libxl: debug: libxl_event.c:643:devstate_watch_callback: backend
/local/domain/0/backend/vbd/0/51792/state wanted state 2 ok
libxl: debug: libxl_event.c:596:libxl__ev_xswatch_deregister: watch
w=0x124a300 wpath=/local/domain/0/backend/vbd/0/51792/state token=3/0:
deregister slotnum=3
libxl: debug: libxl_event.c:608:libxl__ev_xswatch_deregister: watch
w=0x124a300: deregister unregistered
libxl: debug: libxl_device.c:959:device_hotplug: calling hotplug
script: /etc/xen/scripts/block-drbd add
libxl: debug: libxl.c:2692:local_device_attach_cb: locally attached
disk /dev/xvdf
libxl: error: libxl_device.c:1127:libxl__wait_for_backend: Backend
/local/domain/0/backend/vbd/0/51792 not ready
libxl: error: libxl_bootloader.c:405:bootloader_disk_attached_cb:
failed to attach local disk for bootloader execution
libxl: debug: libxl_event.c:608:libxl__ev_xswatch_deregister: watch
w=0x124a498: deregister unregistered
libxl: error: libxl_bootloader.c:276:bootloader_local_detached_cb:
unable to detach locally attached disk
libxl: error: libxl_create.c:900:domcreate_rebuild_done: cannot
(re-)build domain: -1
libxl: debug: libxl_event.c:1569:libxl__ao_complete: ao 0x12548c0:
complete, rc=-3
libxl: debug: libxl_event.c:1541:libxl__ao__destroy: ao 0x12548c0: destroy
xc: debug: hypercall buffer: total allocations:31 total releases:31
xc: debug: hypercall buffer: current allocations:0 maximum allocations:2
xc: debug: hypercall buffer: cache current size:2
xc: debug: hypercall buffer: cache hits:27 misses:2 toobig:2

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