Thanks for your reply. I have tried the method but it looks still can't work, there is no "hvc0" device file in my "/dev" directory, is that the root cause?
On Mon, Aug 20, 2012 at 11:47 PM, Stefano Stabellini < stefano.stabell...@eu.citrix.com> wrote: > On Mon, 20 Aug 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? > > > > > > 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. > > An HVM guest has access to both an emulated serial (if a serial="pty" > parameter is present in the VM config file) and a PV console. > However the default first console is the emulated serial with libxl (see > libxl__primary_console_find), that is what you get when you execute "xl > console" without -t. > > But if you edit inittab to spawn a getty on hvc0 and then execute "xl > console -t pv" you should get access to the PV console. >
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