Re: [Xen-devel] HVM pvops failures

[Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>]

Andrew Lyon writes ("Re: [Xen-devel] HVM guest question (was Re: [PATCH] ioemu: 
Cleanup the code of PCI passthrough.)"):
> On Mon, Feb 23, 2009 at 2:53 PM, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> 
> wrote:
> > These messages are not very surprising.  Is it working ?
> 
> No, when try to start HVM on Xen unstable with pv_ops kernel I get this error:

Ah.  This is rather odd.  Normally I would hope that xend would report
an exit status.  (I haven't tried pvops with qemu.)

I would suggest running qemu-dm under strace.  This can be done easily
enough with a simple wrapper script, something like:
  #!/bin/sh
  set -e
  exec strace -vvs500 -f -o /root/qemu-dm.strace \
    /usr/lib/xen/bin/qemu-dm "$@"
and then give the name of the script as device_model in your config file.

Ian.

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