No kdump initial ramdisk found.
Tanweer Noor
tanweer.noor at gmail.com
Fri Jul 29 21:34:40 UTC 2011
>> Add Boot Parameters
add below line under /etc/grub.conf
kernel /boot/vmlinuz-2.6.17-1.2519.4.21.el5 ro root=LABEL=/ rhgb quiet
crashkernel=128M at 16M
open /etc/kdump.conf and uncomment dump location to /var/crash/
then run below:-
# chkconfig kdump on
# service kdump start
Warning: This will panic your kernel, killing all services on the machine
# echo 1 > /proc/sys/kernel/sysrq
# echo "c" > /proc/sysrq-trigger
if it does not dump core then run below
service kdump start
On Fri, Jul 29, 2011 at 2:24 PM, unix syzadmin <unixsyzadmin at gmail.com>wrote:
> Hi
>
> I am having issues configuring kdump on my linux server.
>
> # service kdump start
> No kdump initial ramdisk found. [WARNING]
> Rebuilding /boot/initrd-2.6.18-128.el5kdump.img
> /etc/kdump.conf: Could not create user1 at server1:/var/crash, you probably
> need to run "service kdump propagate"
> Failed to run mkdumprd
>
> how did I configure kdump?
> ====================
> # grep crashkernel /boot/grub/grub.conf
> kernel /vmlinuz-2.6.18-128.el5 ro root=/dev/sysvg/root.fs nohpet
> nopmtimer powernow-k8.tscsync=1 crashkernel=128M at 16M
>
> # grep net /etc/kdump.conf
> net user1 at server1
>
> The root user on this server is able to ssh to user1 at server1 without
> password; tested this to be working with the following command line:
>
> #ssh -i /root/.ssh/id_rsa.us1 user1 at server1
>
>
> Any suggestions or pointers is appreciated.
> Thanks.
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--
~ Tanweer
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