Re: Freeze on boot pv domU 2.6.31 with Xen 4.1

[Jeremy Fitzhardinge <jeremy@goop.org>]

On 05/19/2010 11:55 AM, Eric Chanudet (Intern) wrote:
> I am trying to run a PV domU with netchannel2.
> I used to achieve this with the kernel from xen/stable-2.6.31.x on linux-2.6-pvops repository. It does not work anymore, and does not seem to have any relation with netchannel2 (since I tried to remove it from my .config for testing purpose).
>
> The kernel basically freezes while booting. No error displayed, neither on dom0 serial output (Xen in debug mode), or kernel one's. It just freezes after :
> [    0.000999] xen_balloon: Initialising balloon driver with page order 0.
> [    0.000999] SCSI subsystem initialized
> [    0.000999] usbcore: registered new interface driver usbfs
> [    0.000999] usbcore: registered new interface driver hub
> [    0.000999] usbcore: registered new device driver usb
> [    0.000999] PCI: System does not support PCI
> [    0.000999] PCI: System does not support PCI
>   

Make sure you have "console=hvc0 earlyprintk=xen ignore_loglevel
initcall_debug" on your guest kernel command line to see if we can get
some idea of where its getting up to.

> I'm using the same kernel, with privileged domain configuration, as dom0 (2.6.31) on Xen-4.1 last revision.
> I tried 2.6.32 and 2.6.33 for the pv domU, these ones achieve to boot, but do not support netchannel2.
>
> Since I just want to have a pv kernel handling netchannel2, can anyone advise me a way ?
>   

You're the first person I know to try nc2 in a pvops kernel, so I'm not
surprised you're encountering difficulties.

Thanks,
    J