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

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List:       xen-ia64-devel
Subject:    RE: [Xen-ia64-devel] RE: [elilo-discuss] a patch to make
From:       "Magenheimer, Dan (HP Labs Fort Collins)" <dan.magenheimer () hp ! com>
Date:       2005-08-29 19:17:34
Message-ID: 516F50407E01324991DD6D07B0531AD5695369 () cacexc12 ! americas ! cpqcorp ! net
[Download RAW message or body]

Could you point me to a binary modified elilo.efi that
I can download and try?  It appears that the one that
I built doesn't pass the module_start and module_len
arguments so Xen is reading them as zero.

> -----Original Message-----
> From: Xu, Anthony [mailto:anthony.xu@intel.com] 
> Sent: Friday, August 26, 2005 6:00 PM
> To: Magenheimer, Dan (HP Labs Fort Collins); Yang, Fred
> Cc: xen-ia64-devel@lists.xensource.com
> Subject: RE: [Xen-ia64-devel] RE: [elilo-discuss] a patch to 
> make eliloloadanother module
> 
> Dan,
> As I mentioned before, I haven't tested the patch on 
> xenolinux. Maybe there is an address collision, I'll take a 
> look at this, make sure it can boot xenolinux, and send a new 
> patch to you.
> 
> Thanks,
> Anthony
> 
> >-----Original Message-----
> >From: Magenheimer, Dan (HP Labs Fort Collins) 
> >[mailto:dan.magenheimer@hp.com] 
> >Sent: Friday, August 26, 2005 4:22 PM
> >To: Yang, Fred; Xu, Anthony
> >Cc: xen-ia64-devel@lists.xensource.com
> >Subject: RE: [Xen-ia64-devel] RE: [elilo-discuss] a patch to 
> >make eliloloadanother module
> >
> >> 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@lists.xensource.com 
> >> [mailto:xen-ia64-devel-bounces@lists.xensource.com] 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@lists.xensource.com
> >> 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@lists.xensource.com'
> >> > 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@lists.xensource.com
> >> > > 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@intel.com] 
> >> > > > Sent: Thursday, August 11, 2005 10:29 PM
> >> > > > To: Magenheimer, Dan (HP Labs Fort Collins); Xu, Anthony
> >> > > > Cc: xen-ia64-devel@lists.xensource.com
> >> > > > 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
> >> > > > 
> >> > > 
> >> > 
> >> 
> >> _______________________________________________
> >> Xen-ia64-devel mailing list
> >> Xen-ia64-devel@lists.xensource.com
> >> http://lists.xensource.com/xen-ia64-devel
> >> 
> >
> 

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