I just deployed openstack using kolla and kolla-ansible stable/pike version. I deployed on one control node and one compute node. It worked but while I try to use the horizon dashboard, the control node is very slow and locks up and the terminal outputs the following:
Mar 17, 2019 - Hi there, Since 3 weeks my server have gotten unresponsive till the point I had to reboot in order to get it back working, today, I have been able.
Whenever I stop all the docker containers that are running on the control node it seems to not have any more CPU lockup errors but as soon as I start up all the docker containers again that are running openstack services on the control node it starts to run very slow again and the lockup errors start again
1 Answer
Can you use a newer Linux kernel > 4.6.x?
![Watchdog Watchdog](https://i.stack.imgur.com/FHV79.jpg)
Making the kernel panic on soft lockup and reboot on panic will help recover the system to some extent. They worked for me.
The above kernel settings worked for a few people per https://github.com/moby/moby/issues/19758#issuecomment-272430028.