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Re: Mac OS real USB device support issue

From: Programmingkid
Subject: Re: Mac OS real USB device support issue
Date: Tue, 6 Apr 2021 10:33:15 -0400

> On Apr 6, 2021, at 10:20 AM, BALATON Zoltan <balaton@eik.bme.hu> wrote:
> On Tue, 6 Apr 2021, Howard Spoelstra wrote:
>> 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.
> I think USB passthorugh works in VirtualBox on macOS so maybe you could check 
> how that works there and what might need to be done for it. Although I'm not 
> sure if it's in the open source part or in the non-free extensions so may not 
> be that easy to find out what's needed if the sources for it are not 
> available.
> Regards.
> BALATON Zoltan

Excellent idea.

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