If you can get to the archives, follow the link to xen 3.0.4,
that has prebuilts for RHEL4 and it supports pae.
It doesn't support 32 on 64 though, and the prebuilts are only
for 32-bit.
There are rhel4.5 prebuilt rpms on xen 3.1.0 too for 32 bit but
I have not tried them.
And as far as the initrd.img, make sure it is a reasonable size,
something like 2.5MB, if you do it wrong it will be much smaller
than that.
Steve
On Fri, 28 Mar 2008, Fabian Lueghausen wrote:
Hey Steven,
yes, I did a depmod on the kernel tree and created an initrd after compiling
the kernel. This initrd image is being loaded when starting the machine.
The latest prebuilt rpm's on www.xen.org are for RHEL*5*, *not* *4*.
I tried to run the rpm for *xen 3.0.2* and *RHEL4.1* (downloaded in the
archiv <http://www.xen.org/download/dl_x30rhel4.html>) but this did not work,
because PAE is not supported by this package.
Thanks for this hint!
*More ideas? *
Fabian
Steven Timm schrieb:
Fabian--did you do a depmod on the kernel tree and do a mkinitrd
on your machine after you compiled the kernel? The error
you are getting to me looks like you do not have the block
devices loaded right in the initrd images you have and thus
it can't find the root directory to continue
the linux boot, maybe it is not even loading the vmlinuz-2.6.18xen
correctly.
Or did you try to use the pre-built rpms or tarballs for RHEL/SL that
are on the www.xen.org site? I have not tried the 3.1.0 version
of those on SL4 but there are rpms there for SL4. I did use the
Xen 3.0.4 precompiled version for SL4 on SL4 and that works fine.
Steve Timm
On Fri, 28 Mar 2008, Fabian Lueghausen wrote:
Hello list,
I tried to install Xen 3.1.0 on Scientific Linux (RHEL4), but this mission
failed.. Hope you can help me by finding the reason for my problem.
I downloaded the xen sources from
http://bits.xensource.com/oss-xen/release/3.1.0/src.tgz/xen-3.1.0-src.tgz
and compiled them by running "make" and "./install.sh". This seemed to
work.
After setting up grub like this,
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to
this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/hda3 console=tty0
console=ttyS0,9600
# initrd /initrd-version.img
boot=/dev/hda1
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
#
title Scientific Linux (2.6.9-11.EL)
root (hd0,0)
kernel /vmlinuz-2.6.9-11.EL ro root=LABEL=/ rhgb quiet console=tty0
console=ttyS0,9600
initrd /initrd-2.6.9-11.EL.img
*#
title Xen 3.1 / XenLinux 2.6
root (hd0,0)
kernel /xen-3.1.0.gz dom0_mem=256000 noreboot
module /vmlinuz-2.6.18-xen ro root=LABEL=/ rhgb quiet console=tty0
console=ttyS0,9600**
module /initrd-2.6.18-xen.img
*
I shut down my machine and restarted it. But it won't come up... as you
can see right here:
(XEN) Command line: /xen-3.1.0.gz dom0_mem=256000 noreboot
(...)
System RAM: 511MB (523356KB)
Xen heap: 10MB (10272KB)
Domain heap initialised: DMA with 32 bits
PAE enabled, limit: 16GB
Processor #0 15:0 APIC version 20
IOAPIC[0]: apic_id 1, version 32, adress 0xfec00000, GSI 0-23
Enabling APIC mode: Flat, Using 1 I/O APICs
Using scheduler: SMP Credit Scheduler (credit)
Detected 1694.889MHz processor
CPU0: Intel(R) Pentium(R) 4 CPU 1700MHz stepping 0a
Mapping CPU0 to node 255
Total of 1 processors activated.
ENABLING IO-APIC IRQs
-> Using new ACK method
Platform timer is 1.193MHz PIT
Brought up 1 CPUs
*** LOADING DOMAIN 0 ***
Xen kernel: 32-bit, PAE, lsb
Guest kernel: 32-bit, PAE, lsb, paddr 0xc0100000 -> 0xc045f53c
PHYSICAL MEMORY ARRANGEMENT:
Dom0 alloc.: 000000001f000000 -> 000000001f800000 (61952 pages to
be allocated)
VIRTUAL MEMORY ARRANGEMENT:
Loaded kernel: c....... -> c.......
Init. ramdisk: c....... -> c.......
Phys-Mach mag: c....... -> c.......
Start info: c....... -> c.......
Page tables: c....... -> c.......
Boot stack: c....... -> c.......
TOTAL: c....... -> c.......
ENTRY ADRESS: c....... -> c.......
Dom0 has maximum 1VCPUs
Initrd len 0x112200, start at 0xc0460000
Scrubbing Free RAM: .. done.
Xen trace buffers: disabled
Std Loglevel: Errors and warnings
Guest Loglevel: Nothing (Rate-limited: Errors and warnings)
*Kernel Panic - not syncing: Attempted to kill init!*
Is there anyone who has an idea what I'm doing wrong?! Tried it by myself
for a few hours, but I'm in the dark...
Thanks for every reply to this email!
Ciao,
Fabian
--
------------------------------------------------------------------
Steven C. Timm, Ph.D (630) 840-8525
timm@xxxxxxxx http://home.fnal.gov/~timm/
Fermilab Computing Division, Scientific Computing Facilities,
Grid Facilities Department, FermiGrid Services Group, Assistant Group Leader.
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