Miroslav Lachman wrote on 02/13/2015 00:13:
Maurizio Vairani wrote on 02/10/2015 11:58:
Il 09/02/2015 22:34, Miroslav Lachman ha scritto:
Hi,
I have virtualbox-ose-4.3.16 and virtualbox-ose-kmod-4.3.16 installed
on my PC-BSD (FreeBSD 10.1-RELEASE-p8 amd64 GENERIC). I tried to
connect DJ mixer Rane TTM57SL and pass it's USB device (Serato sound
card + special HID) to VBox guest Windows 7 Ultimated 32bit.
[...]
VirtualBox is running as root.
Is USB passthrough supported on this version of VirtualBox?
Should I have some special settings on host to allow this device for
VBox guest?
Miroslav Lachman
Hi,
this bug was solved in version 4.3.20_1. Look at
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194196
Thank you for your reply. I upgraded VirtualBox to version 4.3.20_4 but
now I have a different problem.
I must modified devd/usb.conf to disable loading of kernel modules
snd_uaudio and uhid, I also disabled webcamd because it was launched by
USB device connect event. I also tried to stop devd.
The problem is, that Windows 7 in VirtualBox does see the Serato USB
device as Sound card (listed in Windows Device Manager)
# VBoxManage list usbhost
UUID: d692318e-eff6-4aeb-8acc-c4a0b8d48dcd
VendorId: 0x13e5 (13E5)
ProductId: 0x0003 (0003)
Revision: 0.0 (0000)
Port: 0
USB version/speed: 0/1
Manufacturer: Serato
Product: TTM57SL
SerialNumber: TTM.01.00
Address: /dev/ugen1.4
Current State: Captured
but when I run Serato Scratch Live or drivers install, the device
disappeared from the guest.
VBoxManage shows it as Busy and with different UUID and different ProductId
# VBoxManage list usbhost
UUID: 7dff504b-adea-4740-b146-0d2c487dd961
VendorId: 0x13e5 (13E5)
ProductId: 0x8003 (8003)
Revision: 0.0 (0000)
Port: 0
USB version/speed: 0/1
Manufacturer: Serato
Product: TTM57SL
SerialNumber: TTM.01.00
Address: /dev/ugen1.4
Current State: Busy
These two lines are written in to /var/log/messages in the event of the
disappearance from guest.
Feb 13 00:02:18 xxx kernel: ugen1.4: <Serato> at usbus1 (disconnected)
Feb 13 00:02:19 xxx kernel: ugen1.4: <Serato> at usbus1
Is there something more I can try to tune up?
I got it.
The Serato device is detected as soundcard by default, but when the
manufacturer's software touch it, it is internally switched to some
special device, no longer detected as soundcard and this is why it
changes it's ProductId. VirtualBox guest must have both type of devices
added as USB filter.
Miroslav Lachman
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