RE: [Xen-devel] pv_ops dom0 testing

["Aviv Grafi" <aviv@xxxxxxxxxxxx>]

I solved this one by adding "console=hvc0 earlyprintk=xen" to the dom0
kernel boot line (thanks to Jeremy Fitzhardinge [jeremy@xxxxxxxx]).

-----Original Message-----
From: Todd Deshane [mailto:deshantm@xxxxxxxxx] 
Sent: Sunday, November 30, 2008 12:16 AM
To: xen-devel mailing list
Cc: Aviv Grafi
Subject: Re: [Xen-devel] pv_ops dom0 testing

On Sat, Nov 29, 2008 at 4:38 PM, Aviv Grafi <aviv@xxxxxxxxxxxx> wrote:
> I had the same issue few days ago: try to boot the vmlinux (and not
> vmlinuz) image that you can find in your kernel build directory.
> You can verify that you are booting the right image file by using the 
> readelf tool.
>

Thanks for the tip Aviv. That got me a little farther.

The debug output now ends with:
(XEN) ioapic_guest_write: apic=0, pin=4, old_irq=4, new_irq=4
(XEN) ioapic_guest_write: old_entry=000009f1, new_entry=000189f1
(XEN) ioapic_guest_write: Attempt to modify IO-APIC pin for in-use IRQ!

Full output attached.

Do I need to either modify more of the default kernel settings or pass
some more options to Xen or the dom0 kernel?

When running non-debug mode, I don't see any dom0 output on the screen,.
I tried a few different console= lines
tty0, xvc0, hvc0.... but only Xen hypervisor output ending with:
(XEN)  Xen is relinquishing VGA console

Can someone post a working .config and grub config and/or the
instructions to get to that point beyond the default setup?

Cheers,
Todd

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