RE: [Xen-ia64-devel] RE: [elilo-discuss] a patch to make eliloloadanother module

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

> Time to call it a week!  Bye!

Alright, I admit it, I couldn't quit yet!

I added Anthony's patch (last version I got) and see the
same result: machine reboots with no console output.

I added an infinite loop of printf's at the beginning
of construct_dom0 and it doesn't get that far (whereas
a normal RHEL3 boot still works fine).  I'd have to
guess that the initrd is getting loaded in memory
at a "bad" place which is killing Xen very early.

NOW, time to call it a week.

Dan

> -----Original Message-----
> From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf 
> Of Magenheimer, Dan (HP Labs Fort Collins)
> Sent: Friday, August 26, 2005 5:04 PM
> To: Yang, Fred; Xu, Anthony
> Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-ia64-devel] RE: [elilo-discuss] a patch to 
> make eliloloadanother module
> 
> Another update...  This problem goes away when I
> specify verbose=3 (or verbose=2) at the beginning
> of my elilo.conf file.  With verbose off, or with
> verbose=1, I get the load error.  Weird...
> 
> So on to the next step... the module (the RHEL4
> initrd) gets loaded but after a few seconds (and
> no console output), the system reboots.  This is
> probably not unexpected as I haven't yet patched
> Xen itself (awaiting latest patch from Anthony).
> 
> Time to call it a week!  Bye!
> 
> > -----Original Message-----
> > From: Magenheimer, Dan (HP Labs Fort Collins) 
> > Sent: Friday, August 26, 2005 4:36 PM
> > To: 'Yang, Fred'; 'Xu, Anthony'
> > Cc: 'xen-ia64-devel@xxxxxxxxxxxxxxxxxxx'
> > Subject: RE: [Xen-ia64-devel] RE: [elilo-discuss] a patch to 
> > make elilo loadanother module
> > 
> > I got some help from a local Red Hat guru and got to
> > the next step... the modified elilo fails with:
> > 
> > Loading xen....done
> > Loading initrd xenlinux...done
> > initrd.c(line 77):Failed to allocate 318 pages for initrd
> > Start of netboot failed: Load Error
> > 
> > > -----Original Message-----
> > > From: Magenheimer, Dan (HP Labs Fort Collins) 
> > > Sent: Friday, August 26, 2005 4:14 PM
> > > To: 'Yang, Fred'; Xu, Anthony
> > > Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> > > Subject: RE: [Xen-ia64-devel] RE: [elilo-discuss] a patch to 
> > > make elilo loadanother module
> > > 
> > > Finally got a chance to look at this.  There were a typos
> > > of problems in the README script:
> > > 
> > > - rpc2cpio -> rpm2cpio
> > > - remove "patch -p2 < elilo-initrd-size-fix.patch"
> > > 
> > > The resulting source got a couple of gcc errors
> > > with find_label having too few arguments.  I added
> > > module_name as the last argument (two places) and
> > > it compiled.
> > > 
> > > However, I realize I don't know how to build a RHEL4
> > > kernel (with Xen mods) and initrd that will successfully
> > > boot a RHEL4 system (e.g. with LVM in the initrd?)!
> > > I assume you have done it so far on VTI with an
> > > unmodified RHEL4 kernel?  Unless you can provide a
> > > recipe for this, I will look into how to do it...
> > > 
> > > Also, I think Anthony had an update for the Xen hypervisor
> > > patch (with the complicated arithmetic with constants
> > > put in a macro)?
> > > 
> > > Dan
> > > 
> > > > -----Original Message-----
> > > > From: Yang, Fred [mailto:fred.yang@xxxxxxxxx] 
> > > > Sent: Thursday, August 11, 2005 10:29 PM
> > > > To: Magenheimer, Dan (HP Labs Fort Collins); Xu, Anthony
> > > > Cc: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx
> > > > Subject: RE: [Xen-ia64-devel] RE: [elilo-discuss] a patch to 
> > > > make elilo loadanother module
> > > > 
> > > > Magenheimer, Dan (HP Labs Fort Collins) wrote:
> > > > > Great!  I would be happy to try out a preliminary
> > > > > version of these instructions... Last Friday, I managed
> > > > > to trash one disk on my test machine and partially trash
> > > > > another, both running RHEL3.2.  Rather than reinstall 3.2
> > > > > and then install RHEL4 a few days later, I will just
> > > > > wait and go straight to RHEL4.
> > > > Attached is a Knowhow to create elilo patch for loading 
> > > > kernel as module, as well as Xen patch for Vti.
> > > > Please note this patches are only a tempory patches, we will 
> > > > come out yet another patch in a couple days.
> > > > Current kernel input can only be unzipped image.  The next 
> > > > patch will make "module" as the deafult linux kernel and do 
> > > > the corrsponding unzip within elilo.  The system.h patch will 
> > > > be surrounded with "#ifdef CONFG_Xen".  Xen patch will also 
> > > > include non-VT-I patch code (but without validation due to 
> > > > target linux issue :()
> > > > -Fred
> > > > 
> > > 
> > 
> 
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