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Date:      Fri, 17 Apr 2020 17:04:09 +0200
From:      Hans Petter Selasky <hps@selasky.org>
To:        lev@FreeBSD.org, usb@freebsd.org
Subject:   =?UTF-8?Q?Re=3a_Cheap_UPS_with_USB_=c2=abflicker=c2=bb_with_FreeBSD?= =?UTF-8?Q?_but_not_with_Windows?=
Message-ID:  <408f99ba-bbf9-2273-4caa-281ab96f4a91@selasky.org>
In-Reply-To: <5b87bfd2-55c1-5281-b964-47dfea8c48cb@FreeBSD.org>
References:  <a97d989e-fb7e-b365-458c-c12e2c161a62@FreeBSD.org> <4a0271c4-edf8-909f-c8d1-894323d1c8d5@selasky.org> <5b87bfd2-55c1-5281-b964-47dfea8c48cb@FreeBSD.org>

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On 2020-04-17 16:55, Lev Serebryakov wrote:
>> sysctl hw.usb.disable_enumeration=1
>>
>> Does your device still function?
>   Nope, it still disappears.

You must set this while the device is attached.


You can also enable UHUB debug messages (hw.usb.uhub.debug) to see 
exactly which event is causing this.


--HPS



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