From owner-freebsd-bugs@FreeBSD.ORG Sun Mar 20 08:30:02 2011 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F2F59106564A for ; Sun, 20 Mar 2011 08:30:01 +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 C67E28FC17 for ; Sun, 20 Mar 2011 08:30:01 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p2K8U1AL083868 for ; Sun, 20 Mar 2011 08:30:01 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p2K8U1rh083863; Sun, 20 Mar 2011 08:30:01 GMT (envelope-from gnats) Resent-Date: Sun, 20 Mar 2011 08:30:01 GMT Resent-Message-Id: <201103200830.p2K8U1rh083863@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Kevin Day Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C9E1C106564A for ; Sun, 20 Mar 2011 08:24:19 +0000 (UTC) (envelope-from kevin@your.org) Received: from mail.your.org (mail.your.org [IPv6:2001:4978:1:2::cc09:3717]) by mx1.freebsd.org (Postfix) with ESMTP id 9D5AC8FC17 for ; Sun, 20 Mar 2011 08:24:19 +0000 (UTC) Received: from mail.your.org (chi02.mail.your.org [204.9.55.23]) by mail.your.org (Postfix) with ESMTP id 398C2F0C2A9 for ; Sun, 20 Mar 2011 08:24:19 +0000 (UTC) Received: from cs43.your.org (cs43.your.org [204.9.54.43]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.your.org (Postfix) with ESMTPS id 34E2DF06C6A for ; Sun, 20 Mar 2011 08:24:18 +0000 (UTC) Received: from cs43.your.org (localhost [127.0.0.1]) by cs43.your.org (8.14.4/8.14.4) with ESMTP id p2K8FaHn005291 for ; Sun, 20 Mar 2011 08:15:36 GMT (envelope-from root@cs43.your.org) Received: (from root@localhost) by cs43.your.org (8.14.4/8.14.4/Submit) id p2K8Fa8f005290; Sun, 20 Mar 2011 08:15:36 GMT (envelope-from root) Message-Id: <201103200815.p2K8Fa8f005290@cs43.your.org> Date: Sun, 20 Mar 2011 08:15:36 GMT From: Kevin Day To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Cc: Subject: kern/155714: zyd_bulk_write_callback panic in 8.2-RELEASE X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Kevin Day List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 20 Mar 2011 08:30:02 -0000 >Number: 155714 >Category: kern >Synopsis: zyd_bulk_write_callback panic in 8.2-RELEASE >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Mar 20 08:30:01 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Kevin Day >Release: FreeBSD 8.2-RELEASE amd64 >Organization: Your.Org >Environment: System: FreeBSD cs43.your.org 8.2-RELEASE FreeBSD 8.2-RELEASE #0: Thu Feb 17 02:41:51 UTC 2011 root@mason.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 zyd0: on usbus1 >Description: The zyd(4) driver worked for us in 8.1, but will cause a panic as soon as the wlan interface is brought up in 8.2. >How-To-Repeat: ifconfig wlan0 create wlandev zyd0 ifconfig zyd0 up ifconfig wlan0 up (panic here) panic: page fault cpuid = 4 KDB: stack backtrace: #0 0xffffffff805f4e0e at kdb_backtrace+0x5e #1 0xffffffff805c2d07 at panic+0x187 #2 0xffffffff808ac600 at trap_fatal+0x290 #3 0xffffffff808ac9df at trap_pfault+0x28f #4 0xffffffff808acebf at trap+0x3df #5 0xffffffff80894fb4 at calltrap+0x8 #6 0xffffffff80519190 at zyd_bulk_write_callback+0x230 #7 0xffffffff804fe740 at usbd_callback_wrapper+0x4c0 #8 0xffffffff804fabc6 at usb_command_wrapper+0x76 #9 0xffffffff804fd797 at usb_callback_proc+0x87 #10 0xffffffff804f7e23 at usb_process+0xd3 #11 0xffffffff805994f8 at fork_exit+0x118 #12 0xffffffff8089547e at fork_trampoline+0xe (hard hang) 0xffffffff80519190 translates to: /usr/src/sys/dev/usb/wlan/if_zyd.c:2383 It's hard locking at this point, so it's difficult for me to get much more in the way of debugging. >Fix: >Release-Note: >Audit-Trail: >Unformatted: