From owner-freebsd-wireless@FreeBSD.ORG Sun Mar 11 20:10:13 2012 Return-Path: Delivered-To: freebsd-wireless@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id AB1171065673 for ; Sun, 11 Mar 2012 20:10:13 +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 95EA68FC12 for ; Sun, 11 Mar 2012 20:10:13 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id q2BKADlF000565 for ; Sun, 11 Mar 2012 20:10:13 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id q2BKADWd000564; Sun, 11 Mar 2012 20:10:13 GMT (envelope-from gnats) Date: Sun, 11 Mar 2012 20:10:13 GMT Message-Id: <201203112010.q2BKADWd000564@freefall.freebsd.org> To: freebsd-wireless@FreeBSD.org From: Adrian Chadd Cc: Subject: Re: kern/163318: [ath] ath(4) stops working X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Adrian Chadd List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 Mar 2012 20:10:13 -0000 The following reply was made to PR kern/163318; it has been noted by GNATS. From: Adrian Chadd To: Joel Dahl Cc: bug-followup@freebsd.org Subject: Re: kern/163318: [ath] ath(4) stops working Date: Sun, 11 Mar 2012 13:07:56 -0700 Hi! On 11 March 2012 13:01, Joel Dahl wrote: > Some news... > > I updated from a Jan 18 CURRENT to a Feb 19 CURRENT some time ago and the > issue was gone. Adrian asked me to try to track down the revision that fixed > the problem, and that's what I've been doing for the last two weeks. Sweet! > Revision 231852 does not survive for very long. It dies as usual. I haven't > been able to make any revision before 231852 survive longer than 8 hours. > > Revision 231854 has survived my 12 hour testing period 3 times and I haven't > been able to crash any revision after 231854. > > Adrian, your commit to the ath driver (231854) seems to fix my ath problems. > Does that make sense to you? Nope. That just started shifting around locks. Can you please try 231852 with the debugging patch I threw you (that patched ieee80211_scan.c) and see if it complains? If that patch fixed anything, it just delayed things enough to hide what's going on... Adrian