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Diffstat (limited to 'results/classifier/105/device/2572')
| -rw-r--r-- | results/classifier/105/device/2572 | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/results/classifier/105/device/2572 b/results/classifier/105/device/2572 new file mode 100644 index 00000000..8672ee03 --- /dev/null +++ b/results/classifier/105/device/2572 @@ -0,0 +1,43 @@ +device: 0.930 +graphic: 0.839 +instruction: 0.812 +semantic: 0.727 +vnc: 0.711 +other: 0.684 +mistranslation: 0.658 +network: 0.648 +socket: 0.606 +boot: 0.579 +KVM: 0.545 +assembly: 0.262 + +Guest os=Windows , qemu. Shutdown very slow. Memory allocation issue. +Description of problem: +simplifiying - libvirt config: +``` +<memory unit='KiB'>33554432</memory> + <currentMemory unit='KiB'>131072</currentMemory> +``` +when use `<currentMemory>` less than `<memory>` - at/after shutdown of guest os cpu hangs on 100% and lasts long- approximately 3-5 minutes +if change to +``` +<memory unit='KiB'>33554432</memory> + <currentMemory unit='KiB'>33554432</currentMemory> +``` +then shutdown takes less some seconds + +problem occurs not (shutdown of VM takes some seconds) in cases when not used balloon device: +1 `<currentMemory>` equal to `<memory>` +2 memballoon driver disabled in windows +3 memballoon disabled on libvirt with "model=none" (and therefore not passed to qemu command line) +Additional information: +on the guest : + * used drivers from virtio-win-0.1.262.iso - membaloon ver 100.95.104.26200 + * possible combination of all or some components + +monitored next: +`virsh dommemstat VMName` at shutdown time there grows "rss" till MaxMem, but very slowly. +aLso on `virsh setmem VMName --live --size 32G` +rss grows slow - but takes 2 times less than at simple shutdown time ( = at shutdown seems occurs memory allocation and deallocation at the same time) + +so something with some or all libvirt/qemu/balloon parts not so nice |