Re: [Xen-devel] testing 32bit PAE pv_ops dom0...

["Marc - A. Dahlhaus" <mad@xxxxxx>]

Pasi Kärkkäinen schrieb:
> On Sat, Jan 10, 2009 at 06:45:59PM +0100, Marc - A. Dahlhaus wrote:
>   
> > Hello,
> >
> > i had no luck in booting 32bit PAE pv_ops dom0 on xen-3.4-unstable so far...
> > Booting the bzImage on bare Metal works like a charm (it's even stable 
> > under high load), but booting the vmlinux over xen gives just a jump of 
> > the cursor to the top left corner after the last messages from the 
> > hypervisor. My Test-Box (Dell XPS-720) lacks a serial port so i can't 
> > check if it's just a vga issue.
> > I have most xen related options configured as modules maybe that might 
> > be the problem. I'll try to check that out over the next week.
> > Next thing i'll try is to use xen-3.3.1 hypervisor to check that it's 
> > not hypervisor related.
> > I also try to dig out some older Boxes on which 3.3.1 runs at the moment 
> > and try if it actually prints something to a serial console...
> >     
> VGA console is not currently working in pv_ops dom0 patches. At least I
> haven't figured out how to make it work.
>
> Serial console works for me. 
>
> There seems to be some problems with IRQ routing (?).. and thus ahci and 
> ata_piix
> drivers don't seem to work currently. 
>
> Hopefully next week we can get some debugging done when Jeremy is back.
>
> -- Pasi
>   
Hello Pasi,

followed the discussions about that and was sad to read that as my boxes 
here also use the ata_piix module to
get the root device. I'll try to build a x86_64 image tomorrow as is 
think it's a PAE problem.
Can you send me your working kernel config file?

I also got another hickup here. On 3 other Boxes i tested on i get an 
instant reboot after the dom0 builder executes
the pv_ops vmlinuz image... i think it panics pretty close after 
execution on 32bit PAE...
I have to dig out a serial cable to put some boxes together to capture 
some logs. I'll post them when i get there.
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