No swapping: Host: total used free shared buffers cached Mem: 32101 31872 229 0 127 19937 -/+ buffers/cache: 11807 20294 Swap: 16383 0 16383 Client: total used free shared buffers cached Mem: 2006 937 1068 0 47 287 -/+ buffers/cache: 603 1403 Swap: 4031 0 4031 The VMs each have 1 vCPU and the host has 1 pCPU virsh nodeinfo CPU model: x86_64 CPU(s): 8 CPU frequency: 2666 MHz CPU socket(s): 1 Core(s) per socket: 4 Thread(s) per core: 2 NUMA cell(s): 1 Memory size: 32872232 kB Top: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 15663 qemu 20 0 2682m 2.3g 6476 S 13.6 7.3 521:42.57 qemu-kvm (Windows 7) 10491 qemu 20 0 2547m 2.0g 6488 S 8.3 6.5 694:36.49 qemu-kvm (Widnows 2008) I'm wondering if the problem is network related since nothing really seems to be using up a ton of resources on the host and client. Any thoughts? On Wed, Aug 22, 2012 at 11:02 AM, Yaniv Kaul <ykaul@xxxxxxxxxx> wrote: > Any chance one of the participants (either the server or the client, but most likely the client) is heavily swapping? > It's enough for a VM to have parts of its memory swapping to crawl. > > Alternatively, are you over-committing with CPU? For example, running a 4vCPU VM on a 2pCPU host? > What do you see in 'top' ? 'kvm_stat' ? > Y. > > > ----- Original Message ----- >> Hello All, >> >> I was wondering if anyone else has experienced similar behavior to >> what I'm seeing. Randomly, while I'm connected to a remote VM using >> SPICE, the screen and all input will freeze/hang for about 30 seconds >> to 1 minute. When it returns to normal any key presses or mouse >> clicks that happened while the session was hung are acted upon. I've >> looked through the VM's log file located in /var/log/libvirt/qemu but >> do not see anything that looks like an error. >> >> Additional information: >> >> Host: >> CentOS 6.3 >> >> qemu-kvm-0.12.1.2-2.295.el6_3.1.x86_64 >> spice-server-0.10.1-10.el6.x86_64 >> libvirt-0.9.10-21.el6_3.3.x86_64 >> >> VM Guest: >> Windows 7 and Windows 2008 R2 >> >> Client: >> CentOS 6.3 >> >> virt-viewer-0.5.2-9.el6.x86_64 >> >> Just curious if anyone else has seen this behavior and could point me >> in the right direction for troubleshooting. >> >> Thanks, >> Anthony >> _______________________________________________ >> Spice-devel mailing list >> Spice-devel@xxxxxxxxxxxxxxxxxxxxx >> http://lists.freedesktop.org/mailman/listinfo/spice-devel >> _______________________________________________ Spice-devel mailing list Spice-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/spice-devel