Re: USBDMSC emulated device does not work on FreeBSD

Reply: Milan Obuch : "Re: USBDMSC emulated device does not work on FreeBSD"
In reply to: Milan Obuch : "Re: USBDMSC emulated device does not work on FreeBSD"
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From: Hans Petter Selasky <hps_at_selasky.org>
Date: Fri, 12 Nov 2021 13:13:08 UTC

On 11/12/21 14:00, Milan Obuch wrote:
> On Fri, 12 Nov 2021 13:49:24 +0100
> Hans Petter Selasky <hps@selasky.org> wrote:
> 
> [ snip ]
> 
>> There is also "usbdump -i usbus1 -f 3 -s 65536 -vvv"
>>
>> which may point at the exact command which is failing.
>>
>> -_HPS
>>
> 
> Output after attaching device, could you find there anything
> interesting?
> 

It crashes on synchronize cache:

Try adding this quirk:

usbconfig -d ugen1.3 add_quirk UQ_MSC_NO_SYNC_CACHE

Then re-plug the device.

--HPS