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Diffstat (limited to 'results/classifier/accel-gemma3:12b/kvm/1884684')
| -rw-r--r-- | results/classifier/accel-gemma3:12b/kvm/1884684 | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/results/classifier/accel-gemma3:12b/kvm/1884684 b/results/classifier/accel-gemma3:12b/kvm/1884684 new file mode 100644 index 00000000..f46c1eb8 --- /dev/null +++ b/results/classifier/accel-gemma3:12b/kvm/1884684 @@ -0,0 +1,40 @@ + +QEMU 5.0: Guest VM hangs/freeze when unplugging USB device + +Setup: + +Host: Debian/SID, Kernel 5.6, QEMU 5.0 +Guest: Windows 10 VM with PCI and USB device passthrough. + +Problem: Guest VM suddenly hangs when pulling USB device out from the Host. + +Observations: + - Issue appears to be related to QEMU 5.0 + - It started after an upgrade to QEMU 5.0. + - Downgrading only QEMU on multiple systems fixes the issue. + + - Issue is very reproducible. + - Most of the time within a few attempts of pulling/reconnecting the device. + - Issue happens with multiple devices (I did try standard HID devices, a webcam and an x-ray sensor). + + - Guest just hangs. + - Display output remains on last frame shown. + - Ping to Guest immediately stops working. + - Logs in the Guest stop logging immediately. + + - Host is fine and thinks the Guest is fine. + - Guest continues to show as running in "virsh list". + - No suspicious entries in the QEMU logs. + - No suspicious entries in Host syslogs/messages. + - Host can can kill guest "virsh destroy" and respawn fine. + + - Issue seems widespread. + - Multiple similar reports from ProxMox users after upgrade to ProxMox 6.2 for both Windows and Linux guests (First version that uses QEMU 5.0) + +https://forum.proxmox.com/threads/vm-freezes-when-disconnecting-usb-keyboard-and-mouse.70287/ +https://forum.proxmox.com/threads/usb-drive-crashes-vm.70214/ +https://forum.proxmox.com/threads/latest-proxmox-usb-disconnects-freeze-kvm.70398/ +https://forum.proxmox.com/threads/vm-with-gpu-passthrough-freezes-when-turning-off-monitor-after-proxmox-6-2-upgrade.69821/ +https://forum.proxmox.com/threads/vm-with-gpu-passthrough-freezes-when-turning-off-monitor-after-proxmox-6-2-upgrade.69824/ + +I'd be more than happy any debugs that might be helpful. \ No newline at end of file |