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Re: [Xen-devel] xl migrate regression in staging

On Thu, Apr 14, Andrew Cooper wrote:

> Can you do an `xl save` to file on the source side, and on the
> destination side manually invoke convert-legacy-stream and
> verify-stream-v2 (both of which are also specifically usable on the
> command line as well as automatically) ?  This will identify if it is a
> "content of the stream" error, or a plumbing error.

root@macintyre-old:~ # xl restore -V /share/save.img
Loading new save file /share/save.img (new xl fmt info 0x1/0x0/2677)
 Savefile contains xl domain config in JSON format
Parsing config from <saved>
libxl: error: libxl_stream_read.c:327:stream_header_done: Invalid ident: 
expected 0x4c6962786c466d74, got 0x01f00f0000000000
Speicherzugriffsfehler (core dumped)
root@macintyre-old:~ # Stream Error:
Traceback (most recent call last):
  File "/usr/lib/xen/bin/convert-legacy-stream", line 582, in read_legacy_stream
  File "/usr/lib/xen/bin/convert-legacy-stream", line 101, in write_libxl_hdr
    libxl.HDR_OPT_LEGACY # Little Endian and Legacy
  File "/usr/lib/xen/bin/convert-legacy-stream", line 33, in stream_write
    return fout.write(_)
IOError: [Errno 32] Broken pipe

Migration fron staging-4.6 works at a first glance. The domU crashes as
soon as it is accessed in the vnc window. Havent check yet what happens
to it. Will send another mail with details.


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