From owner-freebsd-current@FreeBSD.ORG Mon Feb 22 00:05:44 2010 Return-Path: Delivered-To: current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CFA81106566B for ; Mon, 22 Feb 2010 00:05:44 +0000 (UTC) (envelope-from saper@saper.info) Received: from k.saper.info (smtp-out.saper.info [IPv6:2001:41d0:1:c823::1002]) by mx1.freebsd.org (Postfix) with ESMTP id 6FC118FC15 for ; Mon, 22 Feb 2010 00:05:44 +0000 (UTC) Received: from k.saper.info (localhost [127.0.0.1]) by k.saper.info (8.14.3/8.14.3) with ESMTP id o1M05gIc037148 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 22 Feb 2010 00:05:43 GMT (envelope-from saper@saper.info) Received: from localhost (saper@localhost) by k.saper.info (8.14.3/8.14.3/Submit) with ESMTP id o1M05g8j037145; Mon, 22 Feb 2010 00:05:42 GMT (envelope-from saper@saper.info) X-Authentication-Warning: k.saper.info: saper owned process doing -bs Date: Mon, 22 Feb 2010 00:05:42 +0000 From: Marcin Cieslak To: current@FreeBSD.org Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; format=flowed; charset=US-ASCII X-Mailman-Approved-At: Mon, 22 Feb 2010 01:28:30 +0000 Cc: bzeeb+freebsd+lor@zabbadoz.net Subject: LOR: if_wpi.c 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: Mon, 22 Feb 2010 00:05:44 -0000 r203753, amd64 lock order reversal: 1st 0xffffff80003ad018 wpi0_com_lock (wpi0_com_lock) @ /usr/src/sys/modules/wpi/../../dev/wpi/if_wpi.c:1292 2nd 0xffffff00034f4010 wpi0 (network driver) @ /usr/src/sys/modules/wpi/../../dev/wpi/if_wpi.c:2069 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a _witness_debugger() at _witness_debugger+0x49 witness_checkorder() at witness_checkorder+0x7ea _mtx_lock_flags() at _mtx_lock_flags+0x68 wpi_raw_xmit() at wpi_raw_xmit+0x68 ieee80211_send_mgmt() at ieee80211_send_mgmt+0x49c sta_newstate() at sta_newstate+0x42b wpi_newstate() at wpi_newstate+0xe3 ieee80211_newstate_cb() at ieee80211_newstate_cb+0xac taskqueue_run() at taskqueue_run+0x90 taskqueue_thread_loop() at taskqueue_thread_loop+0x3f fork_exit() at fork_exit+0x12a fork_trampoline() at fork_trampoline+0xe --- trap 0, rip = 0, rsp = 0xffffff8000183d30, rbp = 0 --- --Marcin