From owner-freebsd-current@FreeBSD.ORG Thu Jun 14 14:41:57 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 7EA1916A41F for ; Thu, 14 Jun 2007 14:41:57 +0000 (UTC) (envelope-from shoesoft@gmx.net) Received: from mail.gmx.net (mail.gmx.net [213.165.64.20]) by mx1.freebsd.org (Postfix) with SMTP id D41DD13C484 for ; Thu, 14 Jun 2007 14:41:56 +0000 (UTC) (envelope-from shoesoft@gmx.net) Received: (qmail invoked by alias); 14 Jun 2007 14:41:55 -0000 Received: from h081217094222.dyn.cm.kabsi.at (EHLO taxman.pepperland) [81.217.94.222] by mail.gmx.net (mp047) with SMTP; 14 Jun 2007 16:41:55 +0200 X-Authenticated: #16703784 X-Provags-ID: V01U2FsdGVkX18C3TdTbskCDYwyCRxGcU8Dz+3leeRWSS+jNCE/zc uQQjoS21EvJiAW From: Stefan Ehmann To: freebsd-current@freebsd.org Date: Thu, 14 Jun 2007 16:41:54 +0200 User-Agent: KMail/1.9.6 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200706141641.54668.shoesoft@gmx.net> X-Y-GMX-Trusted: 0 Subject: LOR in iwi with new 802.11 work 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: Thu, 14 Jun 2007 14:41:57 -0000 After the system is up for about 5 minutes, I see this LOR. Haven't seen it posted yet. Stefan lock order reversal: 1st 0xc2e4700c ieee80211com (802.11 com lock) @ /usr/src/sys/net80211/ieee80211_scan.c:523 2nd 0xc2e48400 iwi0 (network driver) @ /usr/src/sys/modules/iwi/../../dev/iwi/if_iwi.c:1908 KDB: stack backtrace: db_trace_self_wrapper(c0a39fdb,d2ce68f0,c077bb0e,c0a3c481,c2e48400,...) at db_trace_self_wrapper+0x26 kdb_backtrace(c0a3c481,c2e48400,c2e360f0,c0cc6a0c,c0cc650a,...) at kdb_backtrace+0x29 witness_checkorder(c2e48400,9,c0cc650a,774,80246,...) at witness_checkorder+0x6de _mtx_lock_flags(c2e48400,0,c0cc650a,774,c0a55e6d,...) at _mtx_lock_flags+0xbc iwi_start(c2e38000,cf,c2fb8600,c2e47004) at iwi_start+0xae if_start(c2e38000,0,c0a4702d,17e,d2ce6a1c,...) at if_start+0x89 ieee80211_send_nulldata(c3396000,38,c0a3bb59,6cc,c2e4700c) at ieee80211_send_nulldata+0x1f4 ieee80211_sta_pwrsave(c2e47004,1,20b,360,c2e3d000,...) at ieee80211_sta_pwrsave+0x212 scan_restart(c2e3d000,c2e47004,c0a47b0e,20b,450,...) at scan_restart+0x96 ieee80211_bg_scan(c2e47004,c2ea3034,8,f5,c0b8e1a0,...) at ieee80211_bg_scan+0x102 ieee80211_recv_mgmt(c2e47004,c2e60e00,c3396000,80,4b,...) at ieee80211_recv_mgmt+0xdaf ieee80211_input(c2e47004,c2e60e00,c3396000,4b,0,...) at ieee80211_input+0x142b iwi_intr(c2e47000,0,c0a3421e,471,c2c0a0e4,...) at iwi_intr+0x541 ithread_loop(c2ceb940,d2ce6d38,c0a33f92,316,c2c3c804,...) at ithread_loop+0x1b5 fork_exit(c0729ea0,c2ceb940,d2ce6d38) at fork_exit+0xb8 fork_trampoline() at fork_trampoline+0x8 --- trap 0, eip = 0, esp = 0xd2ce6d70, ebp = 0 ---