From owner-freebsd-current@FreeBSD.ORG Sat May 30 21:16:36 2009 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 BB088106564A for ; Sat, 30 May 2009 21:16:36 +0000 (UTC) (envelope-from jamesbrandongooch@gmail.com) Received: from mail-ew0-f212.google.com (mail-ew0-f212.google.com [209.85.219.212]) by mx1.freebsd.org (Postfix) with ESMTP id 4E1EE8FC1F for ; Sat, 30 May 2009 21:16:36 +0000 (UTC) (envelope-from jamesbrandongooch@gmail.com) Received: by ewy8 with SMTP id 8so3546609ewy.43 for ; Sat, 30 May 2009 14:16:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:date:message-id:subject :from:to:cc:content-type:content-transfer-encoding; bh=e+ClB5aLe5zpFJSDtWsCi3nMiLGzAdHB/3CTM579Egg=; b=xHMduN+IVttAYHN44O4emKfm/GrJPEbRtG5mIeBsHvoOsQVOLwIptt5psVXE6iVSoq QEzjF2ydeDo724+0ATqoTiNc01AbRo/iWQt+HMEayBfKoePq1BQVAKYHcQAhhTep2pLT gENA5jmrOL3Ib1qnLybTK3wt9WKDPgJz1jWRs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=BNo/7y59vJqtOVYWqZ2CuSn5xsXsM0XGio3qrY1NTfpgNgC5GkvvhWWXYMYJ/QHs11 PZtno4OjvOa5Rn4zAxLISUI6LIitwZpbGhzFnIqO4HjjSHYb7E7/LRGS9I+nI03VLf8m I2CGctiTAx7/OBmk5TYS53uQmQ/OhcojTVpLY= MIME-Version: 1.0 Received: by 10.210.57.3 with SMTP id f3mr1911877eba.60.1243716680186; Sat, 30 May 2009 13:51:20 -0700 (PDT) Date: Sat, 30 May 2009 20:51:20 +0000 Message-ID: <179b97fb0905301351g26dea00av372ed3f2a816ca1a@mail.gmail.com> From: Brandon Gooch To: FreeBSD Current Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: bzeeb+freebsd+lor@zabbadoz.net Subject: LOR iwn0_com_lock iwn0 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: Sat, 30 May 2009 21:16:37 -0000 lock order reversal: 1st 0xffffff8000699018 iwn0_com_lock (iwn0_com_lock) @ /usr/src/sys/net80211/ieee80211_proto.c:1072 2nd 0xffffff80006d7080 iwn0 (network driver) @ /usr/src/sys/modules/iwn/../../dev/iwn/if_iwn.c:2845 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a _witness_debugger() at _witness_debugger+0x2e witness_checkorder() at witness_checkorder+0x81e _mtx_lock_flags() at _mtx_lock_flags+0x78 iwn_wme_update() at iwn_wme_update+0xa3 ieee80211_wme_updateparams_locked() at ieee80211_wme_updateparams_locked+0xef ieee80211_wme_updateparams() at ieee80211_wme_updateparams+0x52 ieee80211_wme_initparams() at ieee80211_wme_initparams+0x1d9 ieee80211_sta_join1() at ieee80211_sta_join1+0xb0 setmlme_assoc() at setmlme_assoc+0x70 ieee80211_ioctl_setmlme() at ieee80211_ioctl_setmlme+0x91 ieee80211_ioctl_set80211() at ieee80211_ioctl_set80211+0xb3a in_control() at in_control+0x273 ifioctl() at ifioctl+0x2de kern_ioctl() at kern_ioctl+0x92 ioctl() at ioctl+0xfd syscall() at syscall+0x1dd Xfast_syscall() at Xfast_syscall+0xd0 --- syscall (54, FreeBSD ELF64, ioctl), rip = 0x800c8940c, rsp = 0x7fffffffde18, rbp = 0x2a ---