Re: [Xen-devel] [Xen-users] Fedora 17 Dom-U booting issue

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Thu, 18 Oct 2012, Ian Campbell wrote:
> On Thu, 2012-10-18 at 14:42 +0100, Stefano Stabellini wrote:
> > On Wed, 17 Oct 2012, Ian Campbell wrote:
> > > Adding xen-devel and the relevant maintainers.
> > > 
> > > On Tue, 2012-10-16 at 20:24 +0100, kk s wrote:
> > > > Hi Folks,
> > > > 
> > > > 
> > > > I have upgraded Fedora 16 to 17 on one of Xen HVM Dom-U and it refuses
> > > > to boot fine and getting the below error on console,
> > > > 
> > > > 
> > > > --------
> > > > Booting 'Fedora (3.6.1-1.fc17.x86_64)'
> > > > 
> > > > 
> > > > Loading Fedora (3.6.1-1.fc17.x86_64)
> > > > Loading initial ramdisk ...
> > > > [   0.000000] Cannot get hvm parameter 18: -22!
> > > 
> > > HVM parameter 18 is HVM_PARAM_CONSOLE_EVTCHN.
> > 
> > -22 is EINVAL, that Xen would return only if:
> > 
> > - the requested parameter is out of range
> > this is not the case, 18 < 30
> 
> The hypervisor here is 3.4.3 where the largest hvm param is:
> $ grep define.HVM_PARAM xen-3.4-testing.hg/xen/include/public/hvm/params.h | 
> sort -k3 -n | tail -n 3
> #define HVM_PARAM_ACPI_S_STATE 14
> #define HVM_PARAM_VM86_TSS     15
> #define HVM_PARAM_VPT_ALIGN    16

OK, we know that the console is not working because it is not provided
by the hypervisor.
However that shouldn't prevent the domain from booting, the emulated
serial should work fine.

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