VM crushed and cant shutdown successfully,It always on the way to shutdown，even if I wait it for 10 hours；Everytimes I shoud to reboot the ovirt-node machine

This comes up 4 times, It appes both on the ovirt-noe 4.3 and 4.2;

This bug appers when my VM is running at high load（seems memory and disk's w/r）

My storage domain is local on host;

When the bug appers,it could cost my node's io,looks like the picture below；But sometimes it will not

The vm's threading on the ovirt-node, the IO ratio is 100%

Everytime the vm's process will change to defunct

I can not kill it,I had to shutdown the ovirt-node

on the engine website ,the vm's status always in the way to shutdown  ,even if I wait for it for hours;

It either failed or is shutting down

and the "power off" cant shutdown the vm too.

the vm's error below

The ovirt-node's error below

----------------------------------------------------------------

The other infomation about my ovirt-node

node-version：

node  hardware

---

zhouhao@vip.friendtimes.net