From owner-freebsd-bugs@FreeBSD.ORG Thu Aug 7 15:40:02 2008 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 23BD91065683 for ; Thu, 7 Aug 2008 15:40:02 +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 F39798FC18 for ; Thu, 7 Aug 2008 15:40:01 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id m77Fe1XQ007118 for ; Thu, 7 Aug 2008 15:40:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m77Fe1PT007117; Thu, 7 Aug 2008 15:40:01 GMT (envelope-from gnats) Resent-Date: Thu, 7 Aug 2008 15:40:01 GMT Resent-Message-Id: <200808071540.m77Fe1PT007117@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, David Gurvich Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 103E1106567D for ; Thu, 7 Aug 2008 15:33:25 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id F224A8FC1F for ; Thu, 7 Aug 2008 15:33:24 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.2/8.14.2) with ESMTP id m77FXOqT007197 for ; Thu, 7 Aug 2008 15:33:24 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.2/8.14.1/Submit) id m77FXOqW007196; Thu, 7 Aug 2008 15:33:24 GMT (envelope-from nobody) Message-Id: <200808071533.m77FXOqW007196@www.freebsd.org> Date: Thu, 7 Aug 2008 15:33:24 GMT From: David Gurvich To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: kern/126339: ipw driver drops the connection X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 07 Aug 2008 15:40:02 -0000 >Number: 126339 >Category: kern >Synopsis: ipw driver drops the connection >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Aug 07 15:40:01 UTC 2008 >Closed-Date: >Last-Modified: >Originator: David Gurvich >Release: 7-STABLE >Organization: none >Environment: FreeBSD Lucifer 7.0-STABLE FreeBSD 7.0-STABLE #0: Tue Aug 5 16:01:18 EDT 2008 david@Lucifer:/usr/obj/usr/src/sys/T23_LUCI i386 >Description: >From time to time the ipw driver drops the connection. Not each time the connection is dropped, occasionally the following error: Aug 6 00:13:38 Lucifer kernel: ipw0: link state changed to DOWN Aug 6 00:16:59 Lucifer kernel: ipw0: link state changed to UP Aug 6 00:16:59 Lucifer kernel: ipw0: firmware error Aug 6 00:16:59 Lucifer kernel: ipw0: link state changed to DOWN Restarting netif, bringing ipw down&up, regains the connection. Here is a typical set from /var/log/messages : Aug 7 10:49:43 Lucifer kernel: ipw0: link state changed to DOWN Aug 7 10:49:45 Lucifer kernel: ipw0: link state changed to UP Then I restart the interface: Aug 7 10:51:29 Lucifer kernel: ipw0: link state changed to DOWN Aug 7 10:51:54 Lucifer kernel: ipw0: link state changed to UP Aug 7 10:51:54 Lucifer dhclient: New IP Address (ipw0): 192.168.1.45 Aug 7 10:51:54 Lucifer dhclient: New Subnet Mask (ipw0): 255.255.255.0 Aug 7 10:51:54 Lucifer dhclient: New Broadcast Address (ipw0): 255.255.255.255 Aug 7 10:51:54 Lucifer dhclient: New Routers (ipw0): 192.168.1.1 Aug 7 10:51:54 Lucifer dhclient: New IP Address (ipw0): 192.168.1.45 Aug 7 10:51:54 Lucifer dhclient: New Subnet Mask (ipw0): 255.255.255.0 Aug 7 10:51:54 Lucifer dhclient: New Broadcast Address (ipw0): 255.255.255.255 Aug 7 10:51:54 Lucifer dhclient: New Routers (ipw0): 192.168.1.1 I'm not sure if there is a duplicate set of lines in the log file or if there are two instances for getting the routing set up. >How-To-Repeat: Turn the machine on, connect wirelessly, wait random interval. At some point there will be messages in the log file about ipw0 link state changed to DOWN then UP. >Fix: I've been considering a script to automatically bring ipw0 down/up every minute. Seems insane as many days the connection is maintained for over an hour at a time. >Release-Note: >Audit-Trail: >Unformatted: