Re: [Xen-devel] Should Qemu monitor be enabled by default

["Christian Limpach" <christian.limpach@xxxxxxxxx>]

On 4/12/07, Daniel P. Berrange <berrange@xxxxxxxxxx> wrote:
> > No, the monitor in qemu is off by default, the patch is correct as is.
>
> Is that a recent Xen-specific change to QEMU ? The regular QEMU has always
> had the monitor on by default - and its on by default in Xen 3.0.3/4 :
Yes it is.  The default is not suitable.

> > Why shouldn't both co-exist?  You can have either monitor=pty or
> > monitor=vc.  This is how serial ports work already.
>
> What I mean is that if we wanted to implement a 'xm monitor' command,
> then XenD would need to launch QEMU with '-monitor pty' (or equivalent)
> at which point you'd be unable to also have '-monitor vc' on the same
> command line.
Which is why the monitor option should take a string, it can then
default to whatever is useable for "xm monitor".  "xm monitor" should
imho be xm console with an option to make it connect to the monitor
pty.

> I've not had any trouble with it myself, but I've not tested it much.
> I was refering to the earlier mail in this thread
>
> http://lists.xensource.com/archives/html/xen-devel/2007-04/msg00222.html
>
> where Nishi indicated his motivation for wanting access to the monitor
> via a VC was that block-configure wasn't reliable.
You should have read the replies as well, before making claims that
something doesn't work.

   christian

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