From owner-freebsd-questions@FreeBSD.ORG Thu Sep 2 18:45:35 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8CC3710657B7 for ; Thu, 2 Sep 2010 18:45:35 +0000 (UTC) (envelope-from hselasky@c2i.net) Received: from swip.net (mailfe06.swip.net [212.247.154.161]) by mx1.freebsd.org (Postfix) with ESMTP id 1A00A8FC0A for ; Thu, 2 Sep 2010 18:45:34 +0000 (UTC) X-Cloudmark-Score: 0.000000 [] X-Cloudmark-Analysis: v=1.1 cv=skgvEfutgnGSr0/z2w9BnbiJ4B+NZJZqOB5vgMWy4GQ= c=1 sm=1 a=8nJEP1OIZ-IA:10 a=M8b_wTzEtboA:10 a=MnI1ikcADjEx7bvsp0jZvQ==:17 a=GKysJfYJAAAA:8 a=C_IRinGWAAAA:8 a=ovCXebbxOOWB07kr6n4A:9 a=tGt-r7Yszt1pGkdDLvcA:7 a=av5ks0yT_aX0cqz5eDPVjihx1aYA:4 a=wPNLvfGTeEIA:10 a=si9q_4b84H0A:10 a=MnI1ikcADjEx7bvsp0jZvQ==:117 Received: from [188.126.201.140] (account mc467741@c2i.net HELO laptop002.hselasky.homeunix.org) by mailfe06.swip.net (CommuniGate Pro SMTP 5.2.19) with ESMTPA id 14751112; Thu, 02 Sep 2010 20:35:20 +0200 From: Hans Petter Selasky To: freebsd-usb@freebsd.org Date: Thu, 2 Sep 2010 20:31:24 +0200 User-Agent: KMail/1.13.5 (FreeBSD/8.1-STABLE; KDE/4.4.5; amd64; ; ) References: <20100901000413.GA1559@bsd.remdog.net> <4c7e075b.8edSaF5Xw9mGHkRS%perryh@pluto.rain.com> In-Reply-To: <4c7e075b.8edSaF5Xw9mGHkRS%perryh@pluto.rain.com> X-Face: +~\`s("[*|O,="7?X@L.elg*F"OA\I/3%^p8g?ab%RN'(; _IjlA: hGE..Ew, XAQ*o#\/M~SC=S1-f9{EzRfT'|Hhll5Q]ha5Bt-s|oTlKMusi:1e[wJl}kd}GR Z0adGx-x_0zGbZj'e(Y[(UNle~)8CQWXW@:DX+9)_YlB[tIccCPN$7/L' MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201009022031.24920.hselasky@c2i.net> Cc: remegius@comcast.net, perryh@pluto.rain.com, freebsd-questions@freebsd.org Subject: Re: Interactive Port X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 02 Sep 2010 18:45:35 -0000 On Wednesday 01 September 2010 09:57:15 perryh@pluto.rain.com wrote: > Rem P Roberti wrote: > > Brother! Muttprint is now working fine. The problem: the printer > > was offline! Now, before you go accusing me of being a complete > > dufus, let me say that I had no way of knowing that that condition > > existed. The printer itself indicated that it was online---no > > problem. What happened is that somehow, and I'm not sure what > > caused this, the printer became disengaged from its usb port. > > I'd call it a bug in the printer that it continues to indicate > online when it has lost its connection to its host (unless it > also has a network connection, and in that case I imagine you'd > be using the network instead of USB). > > > ... The only way that I could get it talking again to usb was by > > doing a reboot. > > Now _that_ sounds like a possible bug in the USB subsystem, since > USB is supposed to be completely hot-pluggable and should not need > a reboot to get itself straightened out after a mishap. Cc-ing usb@ > list. > > One question which will surely arise is, which FreeBSD version are > you using? The USB stack was completely rewritten in 8.0. If the USB application does not close the /dev/XXX handles, it will block the enumeration of new USB devices on that bus. Also see "usbconfig -d X.Y reset" --HPS