[Xen-users] xen4.8 restore checkpoint of xen4.5

[席康杰 <xikangjie@xxxxxx>]

I used ‘xl save’ create checkpoint on xen4.5, and ‘xl restore’ worked well, now I restore the same checkpoint on xen4.8 failed.

 

# xl restore test.cfg test.checkpoint

Loading new save file test.checkpoint (new xl fmt info 0x1/0x0/1821)

Savefile contains xl domain config in JSON format

Parsing config from test.cfg

xc: info: Found x86 HVM domain, converted from legacy stream format

xc: info: Restoring domain

xc: info: Restore successful

xc: info: XenStore: mfn 0xfeffc, dom 0, evt 1

xc: info: Console: mfn 0xfefff, dom 0, evt 2

libxl: error: libxl_dm.c:2189:device_model_spawn_outcome: domain 17 device model: spawn failed (rc=-3)

libxl: error: libxl_create.c:1504:domcreate_devmodel_started: device model did not start: -3

libxl: error: libxl_dm.c:2303:kill_device_model: Device Model already exited

libxl: error: libxl.c:1575:libxl__destroy_domid: non-existant domain 17

libxl: error: libxl.c:1534:domain_destroy_callback: unable to destroy guest with domid 17

libxl: error: libxl.c:1463:domain_destroy_cb: destruction of domain 17 failed

 

And convert-legacy-stream failed too.

 

# usr/local/lib/xen/bin/convert-legacy-stream -i test.checkpoint -o test.checkpoint.new -w 64 -g hvm                                                                                      

P2M Size: 0x65766173206e6558

Stream Error:

Traceback (most recent call last):

  File "/usr/local/lib/xen/bin/convert-legacy-stream", line 592, in read_legacy_stream

    read_chunks(vm)

  File "/usr/local/lib/xen/bin/convert-legacy-stream", line 376, in read_chunks

    % (marker, legacy.MAX_BATCH))

StreamError: Page batch (1868832868) exceeded MAX_BATCH (1024)

 

Anyone can help?

 

Does I have to recreate checkpoint on xen4.8 ?

 

thanks.

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