[Xen-ia64-devel] RE: [PATCH] Patch for loading module[2of2]

["Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer@xxxxxx>]

My testing of the xen patch didn't go very well...

unpatched-xen with patched-elilo, booting RHEL3.2: OK
unpatched-xen with patched-elilo, module=rhinitrd.img (RHEL4.1): domain0
loads, no root disk (OK)

patched-xen with existing-elilo, booting RHEL3.2: fails to load domain0
patched-xen with patched-elilo, module=rhinitrd.img (RHEL4.1): fails to
load domain0
patched-xen with patched-elilo, booting RHEL3.2: fails to load domain0

So it would appear that the xen patch is broken.
I didn't try to debug, however the elilo verbose output does seem to
indicate
that it is loading "both" initrds (xenlinux and rhinitrd.img)

One question: Is the xen patch (if it were working) intended to be
backwards compatible?  E.g. should it work with both an unpatched
elilo (booting RHEL3.2) and a patched elilo (booting either RHEL3.2
or RHEL4.1)?  This would be highly desirable.

Dan

> -----Original Message-----
> From: Yang, Fred [mailto:fred.yang@xxxxxxxxx] 
> Sent: Saturday, September 03, 2005 3:34 PM
> To: Yang, Fred; Magenheimer, Dan (HP Labs Fort Collins); Xu, Anthony
> Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [PATCH] Patch for loading module[2of2]
> 
> Attached is Xen/ia64 patch again Rev Xen-ia64-unstable.hg REV 6461
> Signed-off-by Fred Yang <Fred.Yang@xxxxxxxxx>
> -Fred
> 
> Yang, Fred wrote:
> > Attached is patch for elilo to load Linux kernel as module. 
>  A readme
> > is also attached. 
> > We should push patch & readme into
> > xen-ia64-unstable.hg/xen/arch/ia64/tools 
> > 
> > Note the Xen patch will be followed in a separate mail.  
> Following is
> > the required elilo.conf sample 
> > 
> >                image=xen.gz
> >                         label=xen
> >                         module=xenlinux             <== 
> uncompressed Dom0 image
> >                         initrd=initrd-xenlinux.img  <== 
> corresponding
> >                         Dom0 initrd read-only
> >                         append="com2=57600,8n1 console=com2 
> sched=bvt
> > -- nomca console=ttyS1,576 00 console=tty0 root=/dev/sda3" 
> > 
> > The patch has been validated to boot xenLinux.  An initrd need to be
> > built to match xenlinux & fully validated, though the 
> initrd file can
> > be loaded successfully.  
> > 
> > Signed-off-by Fred Yang <Fred.Yang@xxxxxxxxx>
> > 
> > -Fred
> 
> 

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