Very slow works - scanner Mustek 1200UB Plus


Sep 15, 2019
proxmox 5.4
AMD Athlon(tm) 64 X2 Dual Core Processor 5200
IOMMU is included
virtual machine Ubuntu 16.04.
The scanner of Mustek Scanexpress 1200UB Plus is connected
Pass USB Vendor\Device ID .

For scanning I use the scanimage utility.
The scanner is connected through USB interface 1.1
Without virtualization it works at the same hardware quickly.
After transfer on proxmox the server began to scan by 10 times more slowly.
Load of the processor about 10 percent.
Something strongly slows down work on USB. In comparison with normal hardware.
In what can the problem be? Any ideas.
What is the output of
qm config VM_ID


The Proxmox community has been around for many years and offers help and support for Proxmox VE, Proxmox Backup Server, and Proxmox Mail Gateway.
We think our community is one of the best thanks to people like you!

Get your subscription!

The Proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. Tens of thousands of happy customers have a Proxmox subscription. Get yours easily in our online shop.

Buy now!