Re: [Xen-users] Funny output from virsh vncdisplay

[Jonathan Dye <jdye@xxxxxxxxxxxxxxxxxxxx>]

Mike O'Brien wrote:
>     "virsh vncdisplay <dom-id> " is supposed to deliver both the IP 
> address and the console number of a virtual console, suitable for use 
> by a VNC client.  However, on a Fedora 9 domU running on a CentOS 5.2 
> dom0, I get this:
> # virsh vncdisplay Fedora9
> :0
>
> #
>
>     This isn't exactly helpful.  Any ideas what's wrong?
>
> Mike O'Brien
>
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> http://lists.xensource.com/xen-users
in virsh.c (in libvirt),  it omits the ip address if it is either not 
present, not in the right format, or all 0s:
    if ((obj == NULL) || (obj->type != XPATH_STRING) ||
       (obj->stringval == NULL) || (obj->stringval[0] == 0) ||
       STREQ((const char*)obj->stringval, "0.0.0.0")) {
       vshPrint(ctl, ":%d\n", port-5900);
   } else {
       vshPrint(ctl, "%s:%d\n", (const char *)obj->stringval, port-5900);
   }

since you are either on the hypervisor calling virsh, or passing a 
correct ip address to virsh -c (?), the IP should be known.  (you are 
aware that the vnc server is running on the hypervisor and not the 
guest, yes?)
- jonathan

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