Re: [Xen-users] 199% CPU in DomU

[Timo Benk <timo.benk@xxxxxx>]

Hi,

i have no solution for the hanging DomU, but

1 logical CPU = 100 Percent possible CPU-Load and
2 logical CPUs = 2 * 100 Percent possible CPU-Load = 200 Percent possible 
CPU-Load.

Greetings,
-timo

On Fri, 15 Sep 2006 16:21:21 +0200, Felix Jaussi <fj@xxxxxxxxxxxxxxxxxxxxxxx> 
wrote:
> Hi!
> 
> We have a silly Problem, we are using xen on 6 machines. Everything
> works beautiful, but one DomU sometimes takes 199 percent of CPU an
> hangs (says xm top). Only an xm destroy and recreate can "reaktivate" it
> again. Normally it takes only around 25-40 percent. Sometimes it happens
> 1 time per week but sometimes every day. There is no more load at
> hangtime than normal and xen writes nothing to the logfiles (DomU/Dom0).
> 
> We already changed the Dom0 System (we have an identical machine) and
> the Kernel is the same as on the other Systems and was built without USB
> Support.
> 
> 
> Have anybody an idea where I have to search for a solution of this
> Problem? Or anybody who already solved it? :-)
> 
> Thanks for Help!
> 
> Felix
> 
> 
> Some system specs:
> 
> Versions: xen-3.0.2-2 and xen-3.0-3.0.2+hg9697 (self compiled)
> 
> Debian Sarge 64bit
> Intel(R) Pentium(R) D CPU 3.40GHz
> TYAN S5161 Mainboard
> 4GB RAM (tested)
> 
> XFS Filesystem (only)
> 
> 
> 2.6.16.13-xen #2 SMP x86_64 GNU/Linux
> 
> lspci
> 0000:00:00.0 Host bridge: Intel Corporation E7230 Memory Controller Hub
> (rev 81)
> 0000:00:01.0 PCI bridge: Intel Corporation E7230 PCI Express Root Port
> (rev 81)
> 0000:00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI
> Express Port 1 (rev 01)
> 0000:00:1c.4 PCI bridge: Intel Corporation 82801GR/GH/GHM (ICH7 Family)
> PCI Express Port 5 (rev 01)
> 0000:00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB
> UHCI #1 (rev 01)
> 0000:00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB
> UHCI #2 (rev 01)
> 0000:00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB
> UHCI #3 (rev 01)
> 0000:00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB
> UHCI #4 (rev 01)
> 0000:00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
> 0000:00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC
> Interface Bridge (rev 01)
> 0000:00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE
> Controller (rev 01)
> 0000:00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus
> Controller (rev 01)
> 0000:02:00.0 PCI bridge: Intel Corporation 6702PXH PCI Express-to-PCI
> Bridge A (rev 09)
> 0000:03:04.0 RAID bus controller: 3ware Inc 9550SX SATA-RAID
> 0000:04:00.0 Ethernet controller: Intel Corporation 82573V Gigabit
> Ethernet Controller (Copper) (rev 03)
> 0000:0a:02.0 Ethernet controller: Intel Corporation 82557/8/9 [Ethernet
> Pro 100] (rev 10)
> 0000:0a:05.0 VGA compatible controller: XGI - Xabre Graphics Inc Volari Z7
> 
> 
> 
> 
> --
> Turtle Entertainment GmbH
> Felix Jaussi,
> Senior Systems Administrator
> Technical Head of Events
> Siegburger Str. 189
> 50679 Koeln
> Germany
> fon. +49 221 880449-312
> fax. +49 221 880449-399
> http://www.turtle-entertainment.de/
> 
> 
> 
--
Timo Benk - Jabber ID: fry@xxxxxxxxxx - ICQ ID: #241877854
PGP Public Key: http://m28s01.vlinux.de/timo_benk_gpg_key.asc



_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users