Re: Mac OS real USB device support issue

[Howard Spoelstra]

On Tue, Apr 6, 2021 at 3:44 PM Programmingkid <programmingkidx@gmail.com> wrote:
>
> Hi Gerd,
>
> I was wondering if you had access to a Mac OS 10 or Mac OS 11 machine to test 
> USB support. I am on Mac OS 11.1 and cannot make USB devices work with any of 
> my guests. So far these are the guests I have tested with:
>
> - Windows 7
> - Mac OS 9.2
> - Windows 2000
>
> I have tried using USB flash drives, USB sound cards, and an USB headset. 
> They all show up under 'info usb', but cannot be used in the guest. My setup 
> does use a USB-C hub so I'm not sure if this is a bug with QEMU or an issue 
> with the hub. Would you have any information on this issue?

Hi John,

As far as the Mac OS 9.2 guest is concerned on a mac OS host, it does
not support USB 2.0. I was successful only in passing through a USB
flash drive that was forced into USB 1.1 mode by connecting it to a
real USB 1.1 hub and unloading the kext it used.

Best,
Howard