From owner-freebsd-net@FreeBSD.ORG Mon Nov 3 22:25:34 2014 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id C412B90B; Mon, 3 Nov 2014 22:25:34 +0000 (UTC) Received: from mail.ignoranthack.me (ignoranthack.me [199.102.79.106]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 9D53437A; Mon, 3 Nov 2014 22:25:34 +0000 (UTC) Received: from [192.168.192.254] (unknown [129.253.54.225]) (using SSLv3 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) (Authenticated sender: sbruno@ignoranthack.me) by mail.ignoranthack.me (Postfix) with ESMTPSA id 79623193964; Mon, 3 Nov 2014 22:25:33 +0000 (UTC) Subject: Re: urtwn(4) Random freezes, urtwn_getbuf: out of xmit buffers From: Sean Bruno Reply-To: sbruno@freebsd.org To: FreeBSD Net In-Reply-To: <1414873489.2069.1.camel@bruno> References: <1414525275.43009.3.camel@bruno> <20141030025241.GA73148@ns.kevlo.org> <1414692589.1773.11.camel@bruno> <1414696307.1773.12.camel@bruno> <1414873489.2069.1.camel@bruno> Content-Type: text/plain; charset="us-ascii" Date: Mon, 03 Nov 2014 14:25:32 -0800 Message-ID: <1415053532.1163.16.camel@bruno> Mime-Version: 1.0 X-Mailer: Evolution 2.32.1 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Cc: Kevin Lo X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 03 Nov 2014 22:25:34 -0000 On Sat, 2014-11-01 at 13:24 -0700, Sean Bruno wrote: > ooo lovely. Able to get two different panics out of my laptop today. > Both in urtwn(4). > > Is this a USB problem and not a driver failure? > > https://people.freebsd.org/~sbruno/core.txt.1 > > https://people.freebsd.org/~sbruno/core.txt.0 > > sean > > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" So, this appears to be a symptom of an overheating and failing adapter. It suddenly died on me this weekend and changed usb devid and lost its MAC address. I bought 3 different units from Fry's this weekend and all three "just work". I appear to have 3 completely 100% working adapters. I have thrown the broke adapter away to never be seen again. sean