Hi again, After a lot of reading, I did find this https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1398497 add this "intremap=no_x2apic_optout" to kernel boot but it didn't change anything. 2015-06-10 12:06 GMT+01:00 wodel youchi <wodel.youchi@gmail.com>:

Hi,

Centos7x64, Ovirt 3.5.2 hosted engine : all updated.

Two hypervisors HP DL380p

I have a strange behaviour on my hypervisors, whenever I reboot one of them it hangs.

It hangs in this line :

hpwdt unexpected close not stopping watchdog watchdog multiplexing stopped

on the ILO4 GUI I have this error

An Unrecoverable System Error (NMI) has occurred (System error code 0x0000002B, 0x00000000)

Thanks.