>
> Hi,
>
> > > vga->con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
> > > + qxl->id = qemu_console_get_index(vga->con); /* == channel_id */
> > > + if (qxl->id != 0) {
> > > + error_setg(errp, "primary qxl-vga device must be console 0 "
> > > + "(first display device on the command line)");
> > > + return;
> > > + }
> >
> > In the comment this seems no more required so why testing it?
>
> I'd expect it'll confuse guests.
>
> If you are sure this is not the case feel free to send a patch dropping
> this check.
>
> > > static void qxl_realize_secondary(PCIDevice *dev, Error **errp)
> > > {
> > > - static int device_id = 1;
> > > PCIQXLDevice *qxl = PCI_QXL(dev);
> > >
> > > - qxl->id = device_id++;
> > > qxl_init_ramsize(qxl);
> > > memory_region_init_ram(&qxl->vga.vram, OBJECT(dev), "qxl.vgavram",
> > > qxl->vga.vram_size, &error_fatal);
> > > qxl->vga.vram_ptr = memory_region_get_ram_ptr(&qxl->vga.vram);
> > > qxl->vga.con = graphic_console_init(DEVICE(dev), 0, &qxl_ops, qxl);
> > > + qxl->id = qemu_console_get_index(qxl->vga.con); /* == channel_id */
> > >
> >
> > As these IDs must be contiguous this means that there must be the
> > requirement
> > that if there is a qxl interface only qxl interfaces are used and no other
> > console which seems to me wrong.
>
> Hmm. Didn't know this is a requirement. But as far I know qxl->id is
> also expected to be the channel_id. So with qxl and non-qxl mixed we
> are in trouble no matter what:
>
> * with the patch we break the contiguous id requirement.
yes
> * without the patch we break the qxl->id == channel_id requirement.
no, why? qxl->id is not Qemu index.
>
> So, what now?
>
> cheers,
> Gerd
>
Frediano
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