From owner-freebsd-current@FreeBSD.ORG Fri Aug 10 13:52:51 2012 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id B1DA0106566B; Fri, 10 Aug 2012 13:52:51 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1-6.sentex.ca [IPv6:2607:f3e0:0:1::12]) by mx1.freebsd.org (Postfix) with ESMTP id 6C9558FC15; Fri, 10 Aug 2012 13:52:51 +0000 (UTC) Received: from [192.168.43.26] (pyroxene.sentex.ca [199.212.134.18]) by smarthost1.sentex.ca (8.14.5/8.14.5) with ESMTP id q7ADqoNf002082; Fri, 10 Aug 2012 09:52:50 -0400 (EDT) (envelope-from mike@sentex.net) Message-ID: <50251226.8020805@sentex.net> Date: Fri, 10 Aug 2012 09:52:38 -0400 From: Mike Tancsa Organization: Sentex Communications User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: John Baldwin References: <201208031418.57941.jhb@freebsd.org> <201208031726.03652.jhb@freebsd.org> <502121F5.4020705@sentex.net> <201208080727.45595.jhb@freebsd.org> <5022B252.30606@sentex.net> <5023AB9D.5070608@sentex.net> <5023B824.40405@FreeBSD.org> <5023C9A6.9070502@sentex.net> <5023F199.1090201@FreeBSD.org> <50240F5F.6000702@sentex.net> <502425C0.5070303@sentex.net> <50250D48.6020101@FreeBSD.org> In-Reply-To: <50250D48.6020101@FreeBSD.org> X-Enigmail-Version: 1.4.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.72 on 64.7.153.18 Cc: Garrett Cooper , current@freebsd.org Subject: Re: [PATCH] Add locking to twe(4) so it no longer uses Giant X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 10 Aug 2012 13:52:51 -0000 On 8/10/2012 9:31 AM, John Baldwin wrote: > On 8/9/12 5:04 PM, Mike Tancsa wrote: >> Start up the tw_cli client >> >> 0{offsite2}# tw_cli >> //offsite2> show >> >> Ctl Model (V)Ports Drives Units NotOpt RRate VRate BBU >> ------------------------------------------------------------------------ >> c0 9650SE-2LP 2 2 1 0 1 1 - >> >> >> //offsite2> exit >> 0{offsite2}# ls -l /dev/tw* >> crw------- 1 root operator - 0, 37 Aug 9 16:58 /dev/twa0 >> crw-r----- 1 root operator - 0, 174 Aug 9 17:00 /dev/twed0 >> 0{offsite2}# >> >> >> It then disappears ?! > > Bizarre, it seems to disappear while tw_cli is running? I'm curious if > 'rm -W /dev/twe0' brings it back? nada 0{offsite2}# rm -W /dev/twe0 rm: /dev/twe0: No such file or directory 1{offsite2}# rm -W /dev/twe0 rm: /dev/twe0: No such file or directory 1{offsite2}# ls -l /dev/twe* crw-r----- 1 root operator - 0, 174 Aug 9 17:00 /dev/twed0 0{offsite2}# > > If so, it might be interesting to see a ktrace of tw_cli. > I just ran ktrace tw_cli File is available at http://www.tancsa.com/misc/ktrace.out and http://www.tancsa.com/misc/ktrace.txt ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/