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3
votes
2answers
1k views

Why is Linux kdump not writing to /var/crash?

It's happened again! I have 4 servers which are crashing periodically, and there is no information printed to the system logs or the serial console. In addition, the Linux kdump service isn't writing ...
0
votes
0answers
114 views

Configuring kdump on CentOS 5.9 dom0. Cannot get makedumpfile to run in crash kernel

The setup: CentOS 5.9 dom0 running under Xen4.1.4. Crash kernel loaded (512M, because otherwise it would take forever to run init after the failures), and kdump functional. I am able to force the ...
2
votes
2answers
277 views

Centos kdump hangs up

Trying kdump on CentOS 6.3. On VMWare everything is fine and on oops crash kernel is loaded and vmcore created. On phisical machine I see oops message, but crash kernel is not started. I used ...
0
votes
2answers
6k views

Cannot start kdump

My system always crashes down. So I decided to enable kdump to see the problem since I was not able to see possible errors on the log files. I followed the steps to set up kdump from a site here. My ...
0
votes
2answers
82 views

Is kdump not installed when /etc/kdump.conf is missing?

I have CentOS 5.8 system. And I want to set up the kdump. I was following this configuration steps on kdump. However I was not able to locate /etc/kdump.conf. I tried using the find and locate command ...
1
vote
3answers
198 views

Performance impact of running kdump

We are currently running into an issue on a RHEL 5.6 server. The server randomly becomes unstable, kernel wait messages are showing up in /var/log/messages, and we've now had it reboot twice. We've ...