PEAK-System Forum

I'm following up on the solution for this, in case someone else has the same issue.

We are using Parallels Desktop virtual machines, and Parallels was not choosing the correct USB speed for the PCAN-USB device. Manually setting the speed in the VM boot flags fixed the issue: https://forum.parallels ...

Unfortunately the VMs are running on a Mac, so I can't run Linux natively. I was able to repeat this test on a different machine running the same version of Linux natively, and saw 100% bus load. So I suspect that the virtual machine software may not have good support for USB 1.1 devices. I'll ...

I have two PEAK CAN dongles: a regular grey PCAN-USB, and a black PCAN-USB FD. I am seeing big differences in max throughput between the two dongles and I'm not sure why.

Background: I am running Ubuntu 18.04 in a virtual machine, and I have a custom application which uses SocketCAN to transfer ...