INTR-REMAP Error

Hello

I'm new at RHEL...and got an first Error, for which I need help.
I was looking in the KnowledgeDB, but there was nothing 100% similar.
If somebody can help me, I can deliver logs too.
I use RHEL 6.5 on a HP DL360e Gen8 with 1 CPU, 16GB Ram,Raid 1.
This Server is about all time idle. Maybe that's the reason why this Error came up.
It shows only this two lines, scrolling up the screen:

dmar: INTR-REMAP: Request device [[06:00.0] fault index 22
INTR-REMAP:[fault reason 34] Present field in the IRTE entry is clear

During that Error is not possible to do anything else.
You can not log in via putty for example.
All I could do was to restart the Server via iLO.

Thanks in advance.

Felix G.