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

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

> Subject: RE: [PATCH] Patch for loading module[2of2]
> 
> Please note, the meaning of the parameter is changed, you can 
> refer to fred's original email.
> 
> For patched-xen, you should write elilo.conf like below
> Initrd=rhinitrd.img (RHEL4.1)
> Module=xenlinux

Um, why?  Changing something this fundamental doesn't seem
like a good idea.  Could you please resubmit the patch
to change the meaning of the parameters back?

> I guess you would like to try it again.

Yes with the parameters swapped it does seem to work,
at least as far as trying to mount the root disk.
(I don't yet have a combination of a non-rhel kernel
and non-rhel initrd that boots.)
 
> >-----Original Message-----
> >From: Magenheimer, Dan (HP Labs Fort Collins) 
> [mailto:dan.magenheimer@xxxxxx]
> >Sent: 2005年9月5日 5:25
> >To: Yang, Fred; Xu, Anthony
> >Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> >Subject: RE: [PATCH] Patch for loading module[2of2]
> >
> >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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