Re: [Xen-devel] [BUG] failed to resume device model after save a HVM guest

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Sun, 2013-06-09 at 21:38 +0100, Wei Liu wrote:
> On Sat, Jun 08, 2013 at 11:31:05AM +0800, rwxybh wrote:
> > XEN Version: 4.3-rc3
> > 
> > HVM GUEST: centos 6.3 + PV drivers
> > 
> > operation:    xl save -c centos63 mem.img

This (-c) does a checkpoint suspend -- was that what you wanted?

I'm not 100% certain that checkpointing doesn't require in-guest support
which CentOS 6 may well lack.
 
> > Saving to /root/mem.img new xl format (info 0x0/0x0/711)
> > xc: Saving memory: iter 0 (last sent 0 skipped 0): 1048575/1048575  100%
> > libxl: error: libxl.c:419:libxl__domain_resume: failed to resume device 
> > model for domain 4:-6
> > 
> 
> The error code -6 is ERROR_INVAL in libxl. In that case you seemed to
> have garbage in your xenstore entry. So please also provide xenstore
> content with 'xenstore-ls -fp'.

Also I think any files /var/log/xen/*NAME* (where NAME is the domain's
name) would be useful. In particular the ones relating to the device
model.

Ian.


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