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Date:      Fri, 17 Apr 2020 17:01:59 +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:  <933f961a-a199-237d-3132-d7041f87b34f@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:
>   Nope, it still disappears. Looks like I need to boot this computer with Linux and check in Linux. Problem is, it is system with serial console only and I don't know Linux Live CD/USB Image where serial console is enabled and which doesn't require screen & keyboard.

LOW speed USB is a bit special.

Try this also:

usbconfig -d X.Y power_save

While the device is attached.

--HPS



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