Thanks for your reply.
 >Are you able to force a fake kdump?
   I could not able to create  any kdump.  Are you asking to do manually ? 
>Also, in past I had to use the initrd file created by kdump when you start the 
>services.  
  Sorry I am not clear  here. Would you pl. write here how to start the 
services.. with the initrd file
 
>Needless to say, try limiting the amount of RAM that system boots with 
  How much you are suggesting to set  the limit?
 
Thanks  so much again....


________________________________
From: "Musayev, Ilya" <imusa...@webmd.net>
To: Red Hat Enterprise Linux 5 (Tikanga) discussion mailing-list 
<rhelv5-list@redhat.com>; Srija <swap_proj...@yahoo.com> 
Sent: Monday, February 6, 2012 1:54 PM
Subject: RE: [rhelv5-list] kdump issue with rhel5 xen


Needless to say, try limiting the amount of RAM that system boots with – much 
easier to upload and debug. As per previous thread I had on this list you can 
use “mem” kernel boot parameter.
 
From:rhelv5-list-boun...@redhat.com [mailto:rhelv5-list-boun...@redhat.com] On 
Behalf Of Musayev, Ilya
Sent: Monday, February 06, 2012 12:38 PM
To: Srija; Red Hat Enterprise Linux 5 (Tikanga) discussion mailing-list
Subject: Re: [rhelv5-list] kdump issue with rhel5 xen
 
Are you able to force a fake kdump?
 
Also, in past I had to use the initrd file created by kdump when you start the 
services. For some reason I don’t see that stepped mentioned anywhere in the 
DOCs.. Try that as well.
 
Let me know what happens,
 
Good luck
-ilya
 
 
From:rhelv5-list-boun...@redhat.com [mailto:rhelv5-list-boun...@redhat.com] On 
Behalf Of Srija
Sent: Friday, February 03, 2012 6:54 PM
To: Red Hat Enterprise Linux 5 (Tikanga) discussion mailing-list
Subject: [rhelv5-list] kdump issue with rhel5 xen
 
Hi,
 
I am facing  issues to get kdump in the xen  environment.
 
The server has:
     kernel :  2.6.18-274.el5xen #1 SMP Fri Jul 8 17:45:44 EDT 2011 x86_64 
x86_64 x86_64 GNU/Linux
     memory : 2gb,  
     cpu  : 8 x 2
 
Installed  the rpm as follows:
 
kernel-2.6.18-274.el5
kernel-xen-2.6.18-274.el5
kernel-xen-devel-2.6.18-274.el5
kernel-doc-2.6.18-274.12.1.el5
kernel-debuginfo-common-2.6.18-274.17.1.el5 
kernel-debug-2.6.18-274.17.1.el5
 
kexec-tools-1.102pre-126.el5_6.6
system-config-kdump-1.0.14-4.el5
crash-4.1.2-8.el5
 
The /etc/grub.conf  as follows:
 
serial -unit=0 -speed=115200
terminal -timeout=10 serial console
default=3
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Red Hat Enterprise Linux Server (2.6.18-274.17.1.el5debug)
        root (hd0,0)
        kernel /vmlinuz-2.6.18-274.17.1.el5debug ro root=/dev/vgroot_xen/lvroot 
console=tty0, 115200 
        initrd /initrd-2.6.18-274.17.1.el5debug.img
title Red Hat Enterprise Linux Server (2.6.18-274.el5)
        root (hd0,0)
        kernel /vmlinuz-2.6.18-274.el5 ro root=/dev/vgroot_xen/lvroot 
console=tty0, 115200 
        initrd /initrd-2.6.18-274.el5.img
title Red Hat Enterprise Linux Server (2.6.18-274.el5xen)
        root (hd0,0)
        kernel /xen.gz-2.6.18-274.el5  dom0_mem=2048MB xenheap_megabytes=64 
crashkernel=128M@16M
        module /vmlinuz-2.6.18-274.el5xen ro root=/dev/vgroot_xen/lvroot 
console=tty0, 115200 
        module /initrd-2.6.18-274.el5xen.img
 
The /etc/kdump.conf file  as follows:
path /var/kdump
core_collector makedumpfile -d 31 -c
Crashing the kernel as  mentioned in the document:

  echo "1" > /proc/sys/kernel/sysrq 
  echo "c" > /proc/sysrq-trigger
kdump has been started 
But server is not generating any crash dump file.  Neither getting any log 
messages  regarding the crash dump.
 
Any advice is really appreciated.
 
Thanks again
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