[CentOS-virt] KVM instance keep crashing

2010-10-14 Thread Poh Yong Hwang
Hi, I have one KVM instance (centos 5) that keeps crashing and i see the message log with the following: Oct 14 16:24:48 localhost kernel: psmouse.c: Explorer Mouse at isa0060/serio1/input0 lost synchronization, throwing 1 bytes away. Oct 14 16:24:49 localhost kernel: BUG: soft lockup - CPU#0

[CentOS-virt] performance differences between kvm/xen

2010-10-14 Thread Karanbir Singh
hi guys, Just wondering if anyone has done any performance testing between kvm and xen on CentOS-5 ( using centos as host and vm in every case ) ? Regards, -- Karanbir Singh London, UK | http://www.karan.org/ | twitter.com/kbsingh ICQ: 2522219 | Yahoo IM: z00dax | Gtalk: z00dax GnuPG

Re: [CentOS-virt] performance differences between kvm/xen

2010-10-14 Thread Tom Bishop
I don't have any benchmarks per se just my recent testing of them I think xen is still on top in terms of performance and featuresnow having said that my experience in the past with kvm and my latest testing with 5.5 and KVM I can say that KVM has made great strides with the virtio

Re: [CentOS-virt] performance differences between kvm/xen

2010-10-14 Thread Karanbir Singh
On 10/14/2010 07:48 AM, Tom Bishop wrote: I think xen is still on top in terms of performance and featuresnow that is indeed what it 'feels' like, but I'm quite keen on putting some numbers on that. having said that my experience in the past with kvm and my latest testing with 5.5 and

Re: [CentOS-virt] performance differences between kvm/xen

2010-10-14 Thread Tom Bishop
When you get the numbers please share, as I for one would be very interestedI have read some on the web but nothing as of late.I just don't have the time right now to go benchmark anything On Thu, Oct 14, 2010 at 1:59 PM, Karanbir Singh mail-li...@karan.orgwrote: On 10/14/2010 07:48

Re: [CentOS-virt] performance differences between kvm/xen

2010-10-14 Thread Bart Swedrowski
Hi Karanbir, On 14 October 2010 19:59, Karanbir Singh mail-li...@karan.org wrote: On 10/14/2010 07:48 AM, Tom Bishop wrote: I think xen is still on top in terms of performance and featuresnow that is indeed what it 'feels' like, but I'm quite keen on putting some numbers on that. I

Re: [CentOS-virt] KVM instance keep crashing

2010-10-14 Thread Eric Searcy
On Oct 14, 2010, at 1:38 AM, Poh Yong Hwang wrote: Hi, I have one KVM instance (centos 5) that keeps crashing and i see the message log with the following: Oct 14 16:24:48 localhost kernel: psmouse.c: Explorer Mouse at isa0060/serio1/input0 lost synchronization, throwing 1 bytes away.