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Diffstat (limited to 'gitlab/issues/target_i386/host_missing/accel_KVM/2572.toml')
| -rw-r--r-- | gitlab/issues/target_i386/host_missing/accel_KVM/2572.toml | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gitlab/issues/target_i386/host_missing/accel_KVM/2572.toml b/gitlab/issues/target_i386/host_missing/accel_KVM/2572.toml new file mode 100644 index 00000000..f3679d45 --- /dev/null +++ b/gitlab/issues/target_i386/host_missing/accel_KVM/2572.toml @@ -0,0 +1,40 @@ +id = 2572 +title = "Guest os=Windows , qemu. Shutdown very slow. Memory allocation issue." +state = "opened" +created_at = "2024-09-14T16:39:54.773Z" +closed_at = "n/a" +labels = ["accel: KVM", "guest: Windows", "target: i386"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/2572" +host-os = "Linux - Fedora 40" +host-arch = "x86-64" +qemu-version = "qemu-8.2.6-3.fc40.x86_64" +guest-os = "Windows 11" +guest-arch = "x86-64" +description = """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)""" +reproduce = "n/a" +additional = """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""" |