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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