DomU console driver not works for Fedora17 in HVM mode with Xen 4.1.2

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DomU console driver not works for Fedora17 in HVM mode with Xen 4.1.2

Wei Xu
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
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.

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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