Re: [Xen-devel] Re: pv_ops dom0 USB fixed

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2008-12-11 at 14:47 -0500, Todd Deshane wrote:
> On Thu, Dec 11, 2008 at 1:17 PM, Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote:
> > Todd Deshane wrote:
> >>>
> >>> Well, for a start, disable MSI for now (pci=nomsi on the kernel command
> >>> line).  I haven't done any MSI support yet.
> >>>
> >>> In the nosmp boot, something seems amiss with interrupt routing.  nomsi
> >>> may
> >>> help there as well, but I'll need to have a closer look at the code to
> >>> work
> >>> out what's really going wrong here.  Hm, its probably:
> >>> [    0.000000] ACPI: Skipping IOAPIC probe due to 'noapic' option.
> >>>
> >>> I guess nosmp implies noapic?  Anyway, we don't do well without ioapics
> >>> at
> >>> present...
> >>>
> >>>  J
> >>>
> >>>
> >>
> >> The pci=nomsi helped a lot.
> >>
> >> I have booting (at least almost)
> >>
> >> Again two logs attached. This time the without nosmp does better.
> >>
> >> Gets to a checking battery state line then it seems to stop.
> >>
> >
> > What normally happens next?  Looks like its pretty close to the end of the
> > boot sequence; is that where it would normally print the login prompt?  Is
> > the machine on the network at that point?  Can you log in remotely?
> >
> 
> Correct it is fully booted. This is the same thing shown on a normal
> linux boot. I have attached both logs for reference. The linux one
> is not exactly the same kernel, but it is close (both are rc7)
> The vanilla linux one doesn't have any xen dom0 patches.
> 
> On the normal linux one, even when putting the console on
> the serial port, gdm loads up on the monitor, but this
> doesn't happen for the dom0 kernel.
> 
> However I can SSH into the dom0 kernel fine.

Do you have a getty running on hvc0?

> /proc/xen/capabilities is missing, so xend does not start.

/proc/xen is now a filesystem mount point, make sure you have
CONFIG_XENFS and CONFIG_XEN_COMPAT_XENFS and add to /etc/fstab:

none            /proc/xen       xenfs   defaults        0       0

Ian.



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