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Date:      Fri, 12 Nov 2021 14:13:08 +0100
From:      Hans Petter Selasky <hps@selasky.org>
To:        Milan Obuch <freebsd-usb@dino.sk>, freebsd-usb@freebsd.org
Subject:   Re: USBDMSC emulated device does not work on FreeBSD
Message-ID:  <571bda62-b86c-a5b0-fcc6-f70102b85db7@selasky.org>
In-Reply-To: <20211112140045.018ebf0c@zeta.dino.sk>
References:  <20211112095915.226af6be@zeta.dino.sk> <6a6850f5-8233-aae7-8e65-42594402fcb5@selasky.org> <20211112120714.73f195a9@zeta.dino.sk> <972a650d-d490-1965-13a4-2fb984531f1d@selasky.org> <20211112121806.2db2a908@zeta.dino.sk> <85cdc03e-e8f1-871c-6e1d-66181e45dcb1@selasky.org> <20211112123438.6305fc56@zeta.dino.sk> <df6b1571-54a3-91e2-6da5-82df6644bd64@selasky.org> <20211112140045.018ebf0c@zeta.dino.sk>

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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




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