From owner-freebsd-usb@freebsd.org Thu May 6 16:26:51 2021 Return-Path: Delivered-To: freebsd-usb@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D9290627215 for ; Thu, 6 May 2021 16:26:51 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [96.47.72.83]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Fbf9R5qmrz4qVB; Thu, 6 May 2021 16:26:51 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.not-for.work (onlyone.not-for.work [IPv6:2a01:4f8:201:6350::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) (Authenticated sender: lev/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id A5B3F2B890; Thu, 6 May 2021 16:26:51 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from [192.168.134.16] (unknown [94.19.224.8]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.not-for.work (Postfix) with ESMTPSA id CEA763B0F; Thu, 6 May 2021 19:26:48 +0300 (MSK) Reply-To: lev@FreeBSD.org Subject: Re: Flickering connection to UPS (again, but now I'm sure it is Ok under Windows) To: Hans Petter Selasky , freebsd-usb@freebsd.org References: <98420b49-dc9a-0a5f-bcfe-e0a0e11a5994@selasky.org> From: Lev Serebryakov Organization: FreeBSD Message-ID: <0c52bcf1-3b1a-a746-9ac3-26bdb4c46354@FreeBSD.org> Date: Thu, 6 May 2021 19:26:48 +0300 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <98420b49-dc9a-0a5f-bcfe-e0a0e11a5994@selasky.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 May 2021 16:26:51 -0000 On 06.05.2021 19:16, Hans Petter Selasky wrote: >> And one more UPS has rock-stable connection and flicker (connect/disconnect loop with period about 3 seconds) on FreeBSD. >> >> Yes, I've reported this problem already, but then it was decided, that UPS is defective. >> >> Now, I've checked with 3 different USB debugging tools on Windows 10 notebook, that it doesn't disconnect from Windows host. >> >> And it flicker on FreeBSD systems. >> >> Looks like, we need some quirk for this class of devices. >> >> I could collect logs on FreeBSD and Windows, but I don't know what to compare and where to look. >> > > Is this the same like: > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237666 I have this loop: ... May 6 19:24:23 gateway kernel: ugen0.2: at usbus0 May 6 19:24:37 gateway kernel: ugen0.2: at usbus0 (disconnected) May 6 19:24:41 gateway kernel: ugen0.2: at usbus0 May 6 19:24:55 gateway kernel: ugen0.2: at usbus0 (disconnected) May 6 19:24:59 gateway kernel: ugen0.2: at usbus0 May 6 19:25:13 gateway kernel: ugen0.2: at usbus0 (disconnected) ... > Could you try to install FreeBSD 11 and see if the issue goes away? I could boot from some live media of FreeBSD 11 on same Laptop as I have Windows 10 installed . I'll try it ASAP. -- // Lev Serebryakov