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

On 14/04/16 14:52, Olaf Hering wrote:
> 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
>     write_libxl_hdr()
>   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

Ok - so the conversion script was running.  I still can't explain "got
0x01f00f0000000000" via any of the failure modes I encountered while
working on migration v2 in the first place.

How large is save.img?


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