Clock issue in Windows XP guests

2010-03-04 Thread Gilles PIETRI
Hi, I have a host running a 2.6.32.7 kernel, and I'm using qemu-kvm 0.12.2. I have multiple guests, and one of them is running Windows XP. If I stare at the clock, I see that every now then (~5s), it slows down a bit, and then try to cope with it. If I run some NTP synchronization software

Re: Clock issue in Windows XP guests

2010-03-04 Thread Gilles PIETRI
Le 04/03/2010 16:13, Zachary Amsden a écrit : On 03/03/2010 11:43 PM, Gilles PIETRI wrote: Hi, I have a host running a 2.6.32.7 kernel, and I'm using qemu-kvm 0.12.2. I have multiple guests, and one of them is running Windows XP. If I stare at the clock, I see that every now then (~5s

Re: KSM not working on 2.6.28.7 and qemu-kvm 0.12.2 ?

2010-02-22 Thread Gilles PIETRI
fine earlier in this regard. Anyway I still added the flags just to make sure, and nothing more happens. Cheers, Gilou On Sun, Feb 21, 2010 at 10:35:06PM +0100, Gilles PIETRI wrote: Hi, I'm running a 2.6.32.7 kernel with KSM enabled (CONFIG_KSM=y), with qemu-kvm 0.12.2 that has support

KSM not working on 2.6.28.7 and qemu-kvm 0.12.2 ?

2010-02-21 Thread Gilles PIETRI
Hi, I'm running a 2.6.32.7 kernel with KSM enabled (CONFIG_KSM=y), with qemu-kvm 0.12.2 that has support for KSM (exec.c checks for MADV_MERGEABLE).. So I have KSM running, /sys/kernel/mm/ksm/run is at 1, and after a few hours running a dozen of VMs, many of them running the same OS/base

KVM-86 not exposing 64 bits CPU anymore, NICE

2009-06-04 Thread Gilles PIETRI
Hi, I'm quite pissed off. I just upgraded to kvm-86 on a host that has worked nicely on kvm-78 for quite some time. But since I was fearing the qcow2 corruption issues, I wanted to upgrade kvm-86. After testing the performance, I decided to switch. How stupid that was. That was really

Re: KVM-86 not exposing 64 bits CPU anymore, NICE

2009-06-04 Thread Gilles PIETRI
Le 04/06/2009 09:46, Jim Paris a écrit : Gilles PIETRI wrote: Hi, I'm quite pissed off. I just upgraded to kvm-86 on a host that has worked nicely on kvm-78 for quite some time. But since I was fearing the qcow2 corruption issues, I wanted to upgrade kvm-86. After testing the performance