Re: [Fedora-xen] DomU console driver not works for Fedora17 in HVM mode with Xen 4.1.2
Thanks，i'll try it On Thursday, August 23, 2012, Stefano Stabellini wrote: > On Thu, 23 Aug 2012, Wei Xu wrote: > > 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? > > Reading again the previous message, it is clear that you are still using > xm/xend as toolstack to create VMs. Unfortunately xend doesn't support > PV consoles for HVM guests, you need to use the new xl toolstack if > you'd like to use that functionality. > > See: http://wiki.xen.org/wiki/XL > -- xen mailing list xen@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/xen
Re: [Fedora-xen] DomU console driver not works for Fedora17 in HVM mode with Xen 4.1.2
Thanks，i'll try it On Thursday, August 23, 2012, Stefano Stabellini wrote: > On Thu, 23 Aug 2012, Wei Xu wrote: > > 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? > > Reading again the previous message, it is clear that you are still using > xm/xend as toolstack to create VMs. Unfortunately xend doesn't support > PV consoles for HVM guests, you need to use the new xl toolstack if > you'd like to use that functionality. > > See: http://wiki.xen.org/wiki/XL > -- xen mailing list xen@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/xen
Re: [Fedora-xen] DomU console driver not works for Fedora17 in HVM mode with Xen 4.1.2
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 ", 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. > -- xen mailing list xen@lists.fedoraproject.org https://admin.fedoraproject.org/mailman/listinfo/xen
Re: [Fedora-xen] DomU console driver not works for Fedora17 in HVM mode with Xen 4.1.2
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 ", 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 = 0x8138d5a0 ,
> > > read = 0,
> > > device = 0x8138c350 ,
> > > unblank = 0,
> > > setup = 0x81d29926 ,
> > > early_setup = 0x8138ca10 ,
> > > flags = 22,
> > > index = 0,
> > > cflag = 0,
> > > data = 0x81c82640,
> > > next = 0x0
> > > }
> > >
> > > Thanks,
> > > Wei
> > >
>
> > --
> > xen mailing list
> > xen@lists.fedoraproject.org
> > https://admin.fedoraproject.org/mailman/listinfo/xen
>
>
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[Fedora-xen] DomU console driver not works for Fedora17 in HVM mode with Xen 4.1.2
> 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 ", 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 = 0x8138d5a0 ,
> read = 0,
> device = 0x8138c350 ,
> unblank = 0,
> setup = 0x81d29926 ,
> early_setup = 0x8138ca10 ,
> flags = 22,
> index = 0,
> cflag = 0,
> data = 0x81c82640,
> next = 0x0
> }
>
> Thanks,
> Wei
>
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