From owner-freebsd-wireless@FreeBSD.ORG Sat Jul 21 20:18:52 2012 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A20C51065700 for ; Sat, 21 Jul 2012 20:18:52 +0000 (UTC) (envelope-from w8hdkim@gmail.com) Received: from mail-qa0-f54.google.com (mail-qa0-f54.google.com [209.85.216.54]) by mx1.freebsd.org (Postfix) with ESMTP id 611D18FC14 for ; Sat, 21 Jul 2012 20:18:52 +0000 (UTC) Received: by qaat11 with SMTP id t11so687560qaa.13 for ; Sat, 21 Jul 2012 13:18:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:cc:content-type; bh=Jug9UF5E9UIBgzUPd0UxK9K7HPg20MgHf69fOVqnXrU=; b=Om+3iJAOQKHkeOGEmd7/Nt3FFX2pKagnRKCpcNKsbN3ca4VJqIOcRHWe7qIhsWlrvi VN/MaK/8B9cCjKXsTYxYHSpQaBqRfHgSrbtSffHDrpaSi+c9jz3mJb0c/Tx9KcGgbFzD 1CuyQStkHTpvuW9vu1T1cZLt16kRLqzU190ZKEkJLdRdualA/1pfmxB3j1m9yB2BveUu y7Z7rOXWpoxqGW+ni4PIT1m91Y6cIwzlCHd57+yIHgMHAKBgqH+h4KKgzJLIkavFH8w/ np9KgzTxm+HfcfhU0qKzb6jZ9JTNZMmEJKScXwCDrx0gyWsdWtpdDbv/9moPfT5YAUu5 9aow== MIME-Version: 1.0 Received: by 10.224.189.137 with SMTP id de9mr16775185qab.7.1342901926656; Sat, 21 Jul 2012 13:18:46 -0700 (PDT) Received: by 10.229.39.12 with HTTP; Sat, 21 Jul 2012 13:18:46 -0700 (PDT) Date: Sat, 21 Jul 2012 16:18:46 -0400 Message-ID: From: Kim Culhan To: Adrian Chadd Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-wireless@freebsd.org Subject: ath lor X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list 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: Sat, 21 Jul 2012 20:18:52 -0000 Observed some instances of this lor: Jul 21 16:09:49 foo kernel: lock order reversal: Jul 21 16:09:49 foo kernel: 1st 0xffffff8001ad3948 ath0_scan_lock (ath0_scan_lock) @ /usr/src/sys/net80211/ieee8 0211_node.c:2166 Jul 21 16:09:49 foo kernel: 2nd 0xffffff8001ad2018 ath0_com_lock (ath0_com_lock) @ /usr/src/sys/net80211/ieee802 11_node.c:2518 Jul 21 16:09:49 foo kernel: KDB: stack backtrace: Jul 21 16:09:49 foo kernel: db_trace_self_wrapper() at db_trace_self_wrapper+0x37 Jul 21 16:09:49 foo kernel: kdb_backtrace() at kdb_backtrace+0x39 Jul 21 16:09:49 foo kernel: witness_checkorder() at witness_checkorder+0xca1 Jul 21 16:09:49 foo kernel: _mtx_lock_flags() at _mtx_lock_flags+0x79 Jul 21 16:09:49 foo kernel: ieee80211_node_leave() at ieee80211_node_leave+0x97 Jul 21 16:09:49 foo kernel: ieee80211_iterate_nodes() at ieee80211_iterate_nodes+0x89 Jul 21 16:09:49 foo kernel: setmlme_common() at setmlme_common+0x408 Jul 21 16:09:49 foo kernel: ieee80211_ioctl_setmlme() at ieee80211_ioctl_setmlme+0x87 Jul 21 16:09:49 foo kernel: ieee80211_ioctl_set80211() at ieee80211_ioctl_set80211+0x5b0 Jul 21 16:09:49 foo kernel: in_control() at in_control+0x234 Jul 21 16:09:49 foo kernel: ifioctl() at ifioctl+0x148c Jul 21 16:09:49 foo kernel: kern_ioctl() at kern_ioctl+0x1dc Jul 21 16:09:49 foo kernel: sys_ioctl() at sys_ioctl+0x12e Jul 21 16:09:50 foo kernel: amd64_syscall() at amd64_syscall+0x25a Jul 21 16:09:50 foo kernel: Xfast_syscall() at Xfast_syscall+0xfb Jul 21 16:09:50 foo kernel: --- syscall (54, FreeBSD ELF64, sys_ioctl), rip = 0x801210dfc, rsp = 0x7fffffffda78, rbp = 0x2a --- Jul 21 16:09:50 foo kernel: ath0: stuck beacon; resetting (bmiss count 4) thanks -kim