Re: [Xen-devel] xen 4.3 test report

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Fri, May 31, 2013 at 08:56:47AM +0400, Vasiliy Tolstov wrote:
> migration with qemu-xen-traditional:
> xen16:~ # xl migrate --debug 21-10887 ib-xen06.kh11.clodo.ru
> the global config option vifscript is deprecated, please switch to
> vif.default.script
> the global config option vifscript is deprecated, please switch to
> vif.default.script
> migration target: Ready to receive domain.
> Saving to migration stream new xl format (info 0x0/0x0/631)
> Loading new save file <incoming migration stream> (new xl fmt info 
> 0x0/0x0/631)
>  Savefile contains xl domain config
> xc: progress: Reloading memory pages: 53248/1048576    5%
> xc: progress: Reloading memory pages: 105472/1048576   10%
> xc: progress: Reloading memory pages: 157658/1048576   15%
> xc: progress: Reloading memory pages: 209882/1048576   20%
> xc: progress: Reloading memory pages: 263130/1048576   25%
> migration receiver stream contained unexpected data instead of ready message
> (command run was: exec ssh ib-xen06.kh11.clodo.ru xl migrate-receive -d )
> migration target: Transfer complete, requesting permission to start domain.
> libxl: error: libxl_utils.c:393:libxl_read_exactly: file/stream
> truncated reading GO message from migration stream
> migration target: Failure, destroying our copy.
> migration child [15697] not exiting, no longer waiting (exit status
> will be unreported)
> Migration failed, resuming at sender.
> migration target: Cleanup OK, granting sender permission to resume.
> 
> xl dmesg:
> (XEN) event_channel.c:297:d1 d1v0 [evtchn_bind_virq:297], port:3, rc:-17
> (XEN) event_channel.c:298:d1 EVTCHNOP failure: error -17

The non-debug version tells me it is:

289     if ( (port = get_free_port(d)) < 0 )                                    
    
290         ERROR_EXIT(port);            

Which gets -EEXIST from get_free_port. But get_free_port only returns
-EINVAL, -ENOMEM, and -ENOSPC in failure modes.

But we get -EEXIST? Could you re-run git diff and attach output to
this email? I think you tweaked the debug code a bit so I am looking
at something different?

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