From owner-freebsd-usb@FreeBSD.ORG Mon Mar 1 12:00:07 2010 Return-Path: Delivered-To: freebsd-usb@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8DD571065691 for ; Mon, 1 Mar 2010 12:00:07 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 521AA8FC27 for ; Mon, 1 Mar 2010 12:00:07 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id o21C07AV065678 for ; Mon, 1 Mar 2010 12:00:07 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id o21C076S065674; Mon, 1 Mar 2010 12:00:07 GMT (envelope-from gnats) Resent-Date: Mon, 1 Mar 2010 12:00:07 GMT Resent-Message-Id: <201003011200.o21C076S065674@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-usb@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Alexander Kuznetsov Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C96D4106564A for ; Mon, 1 Mar 2010 11:50:27 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (www.freebsd.org [IPv6:2001:4f8:fff6::21]) by mx1.freebsd.org (Postfix) with ESMTP id B91288FC16 for ; Mon, 1 Mar 2010 11:50:27 +0000 (UTC) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.3/8.14.3) with ESMTP id o21BoRTE057295 for ; Mon, 1 Mar 2010 11:50:27 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.3/8.14.3/Submit) id o21BoRkg057294; Mon, 1 Mar 2010 11:50:27 GMT (envelope-from nobody) Message-Id: <201003011150.o21BoRkg057294@www.freebsd.org> Date: Mon, 1 Mar 2010 11:50:27 GMT From: Alexander Kuznetsov To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: usb/144387: if_run panic X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Mar 2010 12:00:07 -0000 >Number: 144387 >Category: usb >Synopsis: if_run panic >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-usb >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Mar 01 12:00:06 UTC 2010 >Closed-Date: >Last-Modified: >Originator: Alexander Kuznetsov >Release: 9.0-CURRENT (both i386 and amd64) >Organization: >Environment: >Description: if_run causes kernel panic run0: device timeout panic: mutex run0 not owned at /usr/src/sys/modules/usb/run/../../../dev/usb/wlan/run/if_run.c:3376 cpuid = 0 KDB: enter: panic [ thread pid 0 tid 100068 ] Stopped at kdb_enter+0x3d: movq $0,0x6b5b30(%rip) db>bt Tracing pid 0 tid 100068 td 0xffffff000252d000 kdb_enter() at kdb_enter+0x3d panic() at panic+0x17b _mtx_assert() at _mtx_assert+0xdc run_usb_timeout_cb() at run_usb_timeout_cb+0x35 taskqueue_run() at taskqueue_run+0x91 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 = 0xffffff80001bcd30, rbp = 0 --- db> >How-To-Repeat: # kldload if_run # ifconfig wlan create wlandev run0 wlanmode hostap # ifconfig wlan0 ssid test # ifconfig wlan0 inet 192.168.0.10 [panic after some seconds] >Fix: >Release-Note: >Audit-Trail: >Unformatted: