Thanks.

On Monday, August 20, 2012, Konrad Rzeszutek Wilk wrote:

> On Mon, Aug 20, 2012 at 09:39:56PM +0800, Wei Xu wrote:
> > > Hi All,
> > > I'm try to set up and verify Xen console driver base on Fedora 17 and
> Xen
> > > 4.1.2 with hvm guest mode,
> > > i searched around and got a link, it give steps both for PV and HVM
> mode,
> > > I followed the HVM guide
> > > and upgraded my kernel to 3.5.0.
> > >
> > >            http://www.dedoimedo.com/computers/xen-console.html
> > >
> > > After that, I can got console output with "xm console <dom_id>", but
> the
> > > console driver is not used when I tracing the driver
>
> .. I am not sure I understand: "when I tracing the driver" ? Are
> you referring to the PV driver?


No, i mean the hvm driver, I add some debug info to hvm console read/write
function
but it never be invoked, then I exam the "console_drivers" and found no hvm
like driver was
registered.


>
> > > with "crash" utility, by examing the "console_drivers", the console
> driver
> > > is still "serial8250 console", so i wonder if I didn't
> > > set up it properly or something else, is there someone ever experienced
> > > it, thanks.
>
> Hm, it should be the hvc one. Perhaps Stefano knows..
>
> CC-ing him and xen-devel here.
>
> > >
> > > crash> p *console_drivers
> > > $10 = {
> > >   name = "ttyS\000\000\000\000\000\000\000\000\000\000\000",
> > >   write = 0xffffffff8138d5a0 <serial8250_console_write>,
> > >   read = 0,
> > >   device = 0xffffffff8138c350 <uart_console_device>,
> > >   unblank = 0,
> > >   setup = 0xffffffff81d29926 <serial8250_console_setup>,
> > >   early_setup = 0xffffffff8138ca10 <serial8250_console_early_setup>,
> > >   flags = 22,
> > >   index = 0,
> > >   cflag = 0,
> > >   data = 0xffffffff81c82640,
> > >   next = 0x0
> > > }
> > >
> > > Thanks,
> > > Wei
> > >
>
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>
>
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