From owner-freebsd-current@FreeBSD.ORG Fri Aug 31 01:31:23 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 07C7E16A417; Fri, 31 Aug 2007 01:31:23 +0000 (UTC) (envelope-from haro@kgt.co.jp) Received: from brori.kgt.co.jp (brori.kgt.co.jp [210.141.246.67]) by mx1.freebsd.org (Postfix) with ESMTP id AFA7413C469; Fri, 31 Aug 2007 01:31:22 +0000 (UTC) (envelope-from haro@kgt.co.jp) Received: from navgw.tt.kgt.co.jp (navgw.kgt.co.jp [210.141.246.71]) by brori.kgt.co.jp (Postfix) with ESMTP id 89472FB14B; Fri, 31 Aug 2007 10:31:00 +0900 (JST) Received: from localhost (wbbrown.tt.kgt.co.jp [192.168.15.206]) by navgw.tt.kgt.co.jp (Postfix) with ESMTP id 2F73B47711; Fri, 31 Aug 2007 10:31:00 +0900 (JST) Date: Fri, 31 Aug 2007 10:32:57 +0900 (JST) Message-Id: <20070831.103257.52837654.haro@kgt.co.jp> To: thompsa@FreeBSD.org From: haro@kgt.co.jp In-Reply-To: <20070830.143335.89920717.haro@kgt.co.jp> References: <20070830.043519.109271629.haro@kgt.co.jp> <20070829215249.GA54430@heff.fud.org.nz> <20070830.143335.89920717.haro@kgt.co.jp> X-Mailer: Mew version 5.2 on Emacs 21.4 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org Subject: LOR with iwi (was Re: Panic with iwi) 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, 31 Aug 2007 01:31:23 -0000 Hi Andrew, FYI, I just got following LOR with iwi, at the hotel: lock order reversal: 1st 0xc368e00c ieee80211com (802.11 com lock) @ net80211/ieee80211_scan.c:523 2nd 0xc368f400 iwi0 (network driver) @ /home/haro/tmp/sys-7/modules/iwi/../../dev/iwi/if_iwi.c:1907 KDB: stack backtrace: db_trace_self_wrapper(c07d80aa,db312a4c,c05c1cce,c07da553,c368f400,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c07da553,c368f400,c36771a0,c0997ade,c09974ca,...) at kdb_backtrace+0x29 witness_checkorder(c368f400,9,c09974ca,773,c057d71d,...) at witness_checkorder+0x6de _mtx_lock_flags(c368f400,0,c09974ca,773,c3572aa0,...) at _mtx_lock_flags+0xbc iwi_start(c3673400,c368f1b4,db312b88,c0648444,c3673400,...) at iwi_start+0xae if_start(c3673400,0,c07e50be,17e,db312b6c,...) at if_start+0x59 ieee80211_send_nulldata(c3a5f000,38,c07d9c38,6ce,c368e00c) at ieee80211_send_nulldata+0x1f4 ieee80211_sta_pwrsave(c368e004,1,20b,c3967e00,c3655800,...) at ieee80211_sta_pwrsave+0x212 scan_restart(c3655800,c368e004,c07e5bf7,20b,0,...) at scan_restart+0x96 ieee80211_bg_scan(c368e004,0,c07e5f2b,434,0,...) at ieee80211_bg_scan+0x10f sta_age(c3655800,db312c84,c06452f7,c368e004,db312c68,...) at sta_age+0x345 ieee80211_scan_timeout(c368e004,db312c68,80246,c08641e4,db312c84,...) at ieee80211_scan_timeout+0x1c ieee80211_node_timeout(c368e004,0,c07d65f4,ef,0,...) at ieee80211_node_timeout+0x17 softclock(0,0,c07d202a,471,c356e064,...) at softclock+0x299 ithread_loop(c35704e0,db312d38,c07d1da8,315,c3571558,...) at ithread_loop+0x1b5 fork_exit(c056ddd0,c35704e0,db312d38) at fork_exit+0xb8 fork_trampoline() at fork_trampoline+0x8 --- trap 0, eip = 0, esp = 0xdb312d70, ebp = 0 --- Thanks, Haro =----------------------------------------------------------------------- _ _ Munehiro (haro) Matsuda -|- /_\ |_|_| KGT Inc. /|\ |_| |_|_| 2-8-8 Shinjuku, Shinjuku-ku Tokyo 160-0022, Japan Tel: +81-3-3225-0767 Fax: +81-3-3225-0740