VBoxSVC hangs on startup if too many USB devices are present

[J.Dow]

This repeats here quite easily. I have a fairly large collection of USB devices attached to my Windows 7 X64 machine. If I do anything that starts VBoxSVC.exe with all the devices attached it hangs and must be blown away with TaskManager. If I remove some of them, a random selection seems to work, then VirtualBox will start. This is awkward as I tend to have most of the devices in use. They include multiple DVB-T dongles, multiple sound dongles, multiple serial port dongles, some theatrical DMX I/O boxes, and a couple security key dongles. Removing about 5 of these items (including the hub they are on) allows VirtualBox to startup. Once started I can reinstall the USB devices and proceed.

I have about 18 USB devices attached, at least. I suspect two of the devices have built in hubs of their own which would add another 8. Four of the devices are hubs. This is not counting the hubs and controllers on the motherboard. Let's see, Device Manager declares 7 composite devices, 8 root hubs, 6 generic hubs, 8 ICH10 host controllers, and two USB Serial converters under "Universal Serial Bus controllers." It might be significant that four of the devices are hooked into the Zadig libusb. But, I'd pulled none of those devices when getting down to a number of devices that allowed VirtualBox.exe or VBoxManage.exe to run for anything other than a "--help" option.

I've attached a file with the most recent 5 VBoxSVC.log files included. All but the last one are short. .2, .3, and .4 are short and show the hang at: 00:00:00.065003 Loading settings file "C:\Users\jdow/.VirtualBox\VirtualBox.xml" with version "1.11-windows" 00:00:02.441139 usbLibDevStrDrEntryGet: DeviceIoControl 1 fail winEr (995)

The .1 file came from running vboxmanage. The .0 file is a copy of the current log file came from running VirtualBox.exe.

I have also attached the a concatenated showinfo list and recent log for one of the VMs. They default to not having any of the USB devices in use. I hook them up as needed.

The machine has 24 G of ram, 3 TB disk, dual 6 core XEON processors so it's not likely to be overloaded either for CPU cycles, ram, or processors.

The last time I tried to start VirtualBox.exe from a new update install without disconnecting USB "VBoxManage list" hung even when I'd removed four devices from one of the hubs. I then pulled the USB cable into that hub and VBoxManage.exe started fine. Several devices ago and several versions of VBox ago the hub worked fine. One of the two audio devices plugged into it is new. The rest is old stuff. That's about the best I can do with regards to what is attached to the machine.

{^_}

[J.Dow]

7 zip archive of VBoxSVC logs and showinfo data.

[J.Dow]

By the way - this happens before I attempt to open any virtual machine. So asking for VM logs may be a little silly as none will show this error. It happens in VBoxSVC starting up.

{^_}

[aeichner]

Please reopen if still relevant with a recent VirtualBox release.