VM crashes when unplugging USB

[paul20]

I have passed through USB ports to my VM. When I unplug a device from these ports, VM freezes, VM stats keep loading forever and I can't stop it. I must kill it manually. It worked fine on PVE 6.1 This started happening after I upgraded.

Spoiler: Stats

VM config:

Spoiler: Config

ios: ovmf
bootdisk: scsi0
cores: 4
cpu: host
efidisk0: local:114/vm-114-disk-1.qcow2,size=128K
ide2: hdd:iso/debian-10.3.0-amd64-netinst.iso,media=cdrom
machine: q35
memory: 2048
name: testbug
net0: virtio=42:2A:A4:83:82:05,bridge=vmbr0,firewall=1
numa: 0
ostype: other
scsi0: local:114/vm-114-disk-0.qcow2,cache=writeback,size=32G
scsihw: virtio-scsi-pci
smbios1: uuid=d6808550-c091-4b28-9e62-17847dd0d923
sockets: 1
vmgenid: 97cd8535-fcb7-4efb-bfe1-9da686d103c1
usb0: host=5-1
usb1: host=5-1.2
usb2: host=5-1.3
usb3: host=5-1.4

Spoiler: pve version

proxmox-ve: 6.2-1 (running kernel: 5.4.41-1-pve)
pve-manager: 6.2-4 (running version: 6.2-4/9824574a)
pve-kernel-5.4: 6.2-2
pve-kernel-helper: 6.2-2
pve-kernel-5.3: 6.1-6
pve-kernel-5.4.41-1-pve: 5.4.41-1
pve-kernel-5.3.18-3-pve: 5.3.18-3
ceph-fuse: 12.2.11+dfsg1-2.1+b1
corosync: 3.0.3-pve1
criu: 3.11-3
glusterfs-client: 5.5-3
ifupdown: 0.8.35+pve1
ksmtuned: 4.20150325+b1
libjs-extjs: 6.0.1-10
libknet1: 1.15-pve1
libproxmox-acme-perl: 1.0.4
libpve-access-control: 6.1-1
libpve-apiclient-perl: 3.0-3
libpve-common-perl: 6.1-2
libpve-guest-common-perl: 3.0-10
libpve-http-server-perl: 3.0-5
libpve-storage-perl: 6.1-8
libqb0: 1.0.5-1
libspice-server1: 0.14.2-4~pve6+1
lvm2: 2.03.02-pve4
lxc-pve: 4.0.2-1
lxcfs: 4.0.3-pve2
novnc-pve: 1.1.0-1
proxmox-mini-journalreader: 1.1-1
proxmox-widget-toolkit: 2.2-1
pve-cluster: 6.1-8
pve-container: 3.1-6
pve-docs: 6.2-4
pve-edk2-firmware: 2.20200229-1
pve-firewall: 4.1-2
pve-firmware: 3.1-1
pve-ha-manager: 3.0-9
pve-i18n: 2.1-2
pve-qemu-kvm: 5.0.0-2
pve-xtermjs: 4.3.0-1
qemu-server: 6.2-2
smartmontools: 7.1-pve2
spiceterm: 3.1-1
vncterm: 1.6-1
zfsutils-linux: 0.8.4-pve1

 

[Steffenprox]

I got the same problem and no solution.

https://forum.proxmox.com/threads/v...ing-usb-keyboard-and-mouse.70287/#post-315428

 

[paul20]

Any news on this? I'm stuck on version v6.0 due to that. Newer versions are unusable if you have USB passthrough.

 

[leesteken]

There is this bug report and it appears to be an QEMU issue, but very little visible progress.

 

[Steffenprox]

Today i upgraded pve-qemu-kvm to version 5.1.0-1 and did try to get the bug several times but the VM didn't freeze.

Maybe is the bug fixed, others need to try.

The changelog for this qemu version don't have any changes. https://wiki.qemu.org/ChangeLog/5.1#USB

proxmox-ve: 6.2-1 (running kernel: 5.4.60-1-pve) pve-manager: 6.2-11 (running version: 6.2-11/22fb4983) pve-kernel-5.4: 6.2-6 pve-kernel-helper: 6.2-6 pve-kernel-5.4.60-1-pve: 5.4.60-2 pve-kernel-5.4.55-1-pve: 5.4.55-1 pve-kernel-5.4.34-1-pve: 5.4.34-2 ceph-fuse: 12.2.11+dfsg1-2.1+b1 corosync: 3.0.4-pve1 criu: 3.11-3 glusterfs-client: 5.5-3 ifupdown: 0.8.35+pve1 ksm-control-daemon: 1.3-1 libjs-extjs: 6.0.1-10 libknet1: 1.16-pve1 libproxmox-acme-perl: 1.0.5 libpve-access-control: 6.1-2 libpve-apiclient-perl: 3.0-3 libpve-common-perl: 6.2-2 libpve-guest-common-perl: 3.1-3 libpve-http-server-perl: 3.0-6 libpve-storage-perl: 6.2-6 libqb0: 1.0.5-1 libspice-server1: 0.14.2-4~pve6+1 lvm2: 2.03.02-pve4 lxc-pve: 4.0.3-1 lxcfs: 4.0.3-pve3 novnc-pve: 1.1.0-1 proxmox-mini-journalreader: 1.1-1 proxmox-widget-toolkit: 2.2-12 pve-cluster: 6.1-8 pve-container: 3.2-1 pve-docs: 6.2-5 pve-edk2-firmware: 2.20200531-1 pve-firewall: 4.1-2 pve-firmware: 3.1-3 pve-ha-manager: 3.1-1 pve-i18n: 2.2-1 pve-qemu-kvm: 5.1.0-1 pve-xtermjs: 4.7.0-2 qemu-server: 6.2-14 smartmontools: 7.1-pve2 spiceterm: 3.1-1 vncterm: 1.6-2 zfsutils-linux: 0.8.4-pve1

 

[albertoZurini]

Unfortunately I'm here with the same issue

pveversion -v
proxmox-ve: 6.2-1 (running kernel: 5.4.34-1-pve)
pve-manager: 6.2-4 (running version: 6.2-4/9824574a)
pve-kernel-5.4: 6.2-1
pve-kernel-helper: 6.2-1
pve-kernel-5.4.34-1-pve: 5.4.34-2
ceph: 14.2.15-pve2
ceph-fuse: 14.2.15-pve2
corosync: 3.0.3-pve1
criu: 3.11-3
glusterfs-client: 5.5-3
ifupdown: 0.8.35+pve1
ksm-control-daemon: 1.3-1
libjs-extjs: 6.0.1-10
libknet1: 1.15-pve1
libproxmox-acme-perl: 1.0.3
libpve-access-control: 6.1-1
libpve-apiclient-perl: 3.0-3
libpve-common-perl: 6.1-2
libpve-guest-common-perl: 3.0-10
libpve-http-server-perl: 3.0-5
libpve-storage-perl: 6.1-7
libqb0: 1.0.5-1
libspice-server1: 0.14.2-4~pve6+1
lvm2: 2.03.02-pve4
lxc-pve: 4.0.2-1
lxcfs: 4.0.3-pve2
novnc-pve: 1.1.0-1
proxmox-mini-journalreader: 1.1-1
proxmox-widget-toolkit: 2.2-1
pve-cluster: 6.1-8
pve-container: 3.1-5
pve-docs: 6.2-4
pve-edk2-firmware: 2.20200229-1
pve-firewall: 4.1-2
pve-firmware: 3.1-1
pve-ha-manager: 3.0-9
pve-i18n: 2.1-2
pve-qemu-kvm: 5.0.0-2
pve-xtermjs: 4.3.0-1
qemu-server: 6.2-2
smartmontools: 7.1-pve2
spiceterm: 3.1-1
vncterm: 1.6-1
zfsutils-linux: 0.8.3-pve1

 

[leesteken]

Unfortunately I'm here with the same issue

pveversion -v
proxmox-ve: 6.2-1 (running kernel: 5.4.34-1-pve)
pve-manager: 6.2-4 (running version: 6.2-4/9824574a)
...

Please upgrade to the latest Proxmox version. You are running 6.2-4 instead of 6.2-11 (or later) in which this problem was resolved.

 

[albertoZurini]

Please upgrade to the latest Proxmox version. You are running 6.2-4 instead of 6.2-11 (or later) in which this problem was resolved.

I managed to solve removing all port-based USB passing and I left only the vendor/device passing. In this way, I managed to solve this crash, but I'm still having crashes so I will open a new thread.