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Date:      Mon, 19 Mar 2018 12:53:01 -0700
From:      John Baldwin <jhb@freebsd.org>
To:        freebsd-stable@freebsd.org
Cc:        Glen Barber <gjb@freebsd.org>, Mark Saad <nonesuch@longcount.org>, wishmaster <artemrts@ukr.net>
Subject:   Re: Problem with USB <---> UPS management connection
Message-ID:  <1744138.yp8bGWUsoN@ralph.baldwin.cx>
In-Reply-To: <20180308011646.GC7399@FreeBSD.org>
References:  <1520423283.816382083.msco108y@frv52.fwdcdn.com> <548D61D9-2A86-48E4-B077-285298CB64CE@longcount.org> <20180308011646.GC7399@FreeBSD.org>

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On Thursday, March 08, 2018 01:16:46 AM Glen Barber wrote:
> On Wed, Mar 07, 2018 at 08:04:47PM -0500, Mark Saad wrote:
> > > On Mar 7, 2018, at 6:55 AM, wishmaster <artemrts@ukr.net> wrote:
> > >=20
> > > Hi, colleagues!
> > >=20
> > > Something strange happens with a server. I am attempting to conne=
ct management interface of UPS with server via USB.
> > > In console I see a lot of errors:
> > >=20
> > > Mar  7 13:42:04 xxx kernel: ugen2.2: <POWERCOM Co.,LTD HID UPS Ba=
ttery> at usbus2
> > > Mar  7 13:42:05 xxx kernel: uhid0 on uhub6
> > > Mar  7 13:42:05 xxx kernel: uhid0: <POWERCOM Co.,LTD HID UPS Batt=
ery, class 0/0, rev 1.10/0.02, addr 2> on usbus2
> > > Mar  7 13:42:08 xxx kernel: ugen2.2: <POWERCOM Co.,LTD HID UPS Ba=
ttery> at usbus2 (disconnected)
> > > Mar  7 13:42:08 xxx kernel: uhid0: at uhub6, port 3, addr 2 (disc=
onnected)
> > > Mar  7 13:42:08 xxx kernel: uhid0: detached
> > > Mar  7 13:42:12 xxx kernel: ugen2.2: <POWERCOM Co.,LTD HID UPS Ba=
ttery> at usbus2
> > > Mar  7 13:42:12 xxx kernel: uhid0 on uhub6
> > > Mar  7 13:42:12 xxx kernel: uhid0: <POWERCOM Co.,LTD HID UPS Batt=
ery, class 0/0, rev 1.10/0.02, addr 2> on usbus2
> > > Mar  7 13:42:16 xxx kernel: ugen2.2: <POWERCOM Co.,LTD HID UPS Ba=
ttery> at usbus2 (disconnected)
> > > Mar  7 13:42:16 xxx kernel: uhid0: at uhub6, port 3, addr 2 (disc=
onnected)
> > > Mar  7 13:42:16 xxx kernel: uhid0: detached
> > >=20
> > > I have changed USB-cables, USB port on the server - without succe=
ss.
> > > On another server this problem is absent.
> > >=20
> > > FreeBSD version: FreeBSD 11.1-STABLE #1 r329364M:
> > >=20
> > > Any ideas?
> > >=20
> > All
> >  I lost power at home and noticed that nut didn=E2=80=99t work righ=
t . I
> > had a similar dmesg . My box is running 11.1-stable amd64 built
> > from svn 7-8 days ago . When I get power back I=E2=80=99ll post det=
ails .
> >=20
>=20
> This seems suspiciously similar to an issue I am seeing with a USB mo=
use
> on both stable/11 a patched build of releng/11.1.  In my case, the dm=
esg
> shows:
>=20
> ugen1.3: <PixArt USB Optical Mouse> at usbus1 (disconnected)
> ugen1.3: <PixArt USB Optical Mouse> at usbus1
> ugen1.3: <PixArt USB Optical Mouse> at usbus1 (disconnected)
> ugen1.3: <PixArt USB Optical Mouse> at usbus1
>=20
> What struck me as "suspiciously similar" is the 'ugen' reference.
> Unfortunately, I do not have more information yet, but have been
> pounding my head on my desk throughout the day.  Then, I saw this
> thread.
>=20
> Anyone else seeing at least USB mouse-related issues?  It could entir=
ely
> be a red herring.

I am definitely seeing issues with an APC USB I have on my desktop.  I =
have
used this desktop + APC combination for at least 5 years now and only a=
fter
my most recent upgrade to 11.1-STABLE at r326909.  I did not have issue=
s on
the previous 11.1-STABLE kernel at r321399, so it does seem like it cou=
ld
be a regression.

--=20
John Baldwin



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