RE: [Xen-devel] Latest xen-unstable on IBM x440

["Nakajima, Jun" <jun.nakajima@xxxxxxxxx>]

Natasha Jarymowycz wrote:
> On Wed, 4 May 2005 12:06:40 -0700, Nakajima, Jun
> <jun.nakajima@xxxxxxxxx> wrote:
> 
> 
>> My point is that it looks like the keyboard is broken now, and it has
>> nothing to do with ACPI (PCI interrupt routing) if it's PS/2. The
>> plan for acpi=off is to use PIC mode, which is not desirable for a
>> server like IBM x440.
> 
> Perhaps I oversimplified by saying "the keyboard doesn't work".  The
> keyboard is actually attached to an RCM connected via ethernet to the
> x440.  However, that was not really the point.
> 
> The point was that without specifying acpi=force, XenLinux will not
> boot.  XenLinux can not find a root filesystem.  Scsi devices are not
> properly detected.   It is my hope that this can be used as a
> datapoint to aid in determining the work which still needs to be done
> so that one day XenLinux will run on machines as easily and as well
> as Linux does.

Arun's patch allows one to set "acpi=force" for dom0 xenlinux, fulling
enabbling ACPI in dom0 up to the level where the native Linux supports.
What's missing there is to fall back to MPS, which is required for
"acpi=ht".

Jun
 
> 
> Natasha


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