From owner-freebsd-usb@FreeBSD.ORG Mon Aug 10 19:00:12 2009 Return-Path: Delivered-To: freebsd-usb@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2FC601065697 for ; Mon, 10 Aug 2009 19:00:12 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id CA7828FC4D for ; Mon, 10 Aug 2009 19:00:11 +0000 (UTC) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n7AJ0Bn8098198 for ; Mon, 10 Aug 2009 19:00:11 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n7AJ0B53098194; Mon, 10 Aug 2009 19:00:11 GMT (envelope-from gnats) Date: Mon, 10 Aug 2009 19:00:11 GMT Message-Id: <200908101900.n7AJ0B53098194@freefall.freebsd.org> To: freebsd-usb@FreeBSD.org From: Hans Petter Selasky Cc: Subject: Re: usb/137341: driver if_rum doesn't work at all and throws panics X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Hans Petter Selasky List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 10 Aug 2009 19:00:13 -0000 The following reply was made to PR usb/137341; it has been noted by GNATS. From: Hans Petter Selasky To: freebsd-gnats-submit@freebsd.org Cc: Subject: Re: usb/137341: driver if_rum doesn't work at all and throws panics Date: Mon, 10 Aug 2009 20:57:41 +0200 On Monday 10 August 2009 20:50:04 O.Herold wrote: > The following reply was made to PR usb/137341; it has been noted by GNATS. > > From: "O.Herold" > To: bug-followup@FreeBSD.org, oliver@akephalos.de > Cc: > Subject: Re: usb/137341: driver if_rum doesn't work at all and throws > panics > Date: Mon, 10 Aug 2009 20:48:26 +0200 > > Well I cannot provide anything anymore because too many panics destroyed > my slice. Well after much grief I installed just out of curiosity FBSD > 7.2R and guess what? Apart from some performance drops it works like a > charm. I restarted the network several times without any problems, I just > pulled the stick from the usb port within some data transfers etc. - no > panic :-) > > FreeBSD 7.2-RELEASE FreeBSD 7.2-RELEASE #0: Fri May 1 07:18:07 UTC 2009 > root@driscoll.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 > > In my opinion the new usb stack isn't ready for prime time or FreeBSD 8 > release should wait until it's fixed - maybe March 2009. I do know such > up- and downturn in Linux only ... until today. > Hi, I will try to reproduce if I get a chance. Most likely what you are seeing is not an USB issue, but rather a WLAN issue. I've seen something similar, that if you issue the network interface commands too quickly then the WLAN code will panic. Putting a sleep 1 in between the commands is a temporary solution. --HPS