From owner-freebsd-usb@FreeBSD.ORG Thu Jan 24 16:40:03 2008 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 1934F16A420 for ; Thu, 24 Jan 2008 16:40:03 +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 EFBF413C4EF for ; Thu, 24 Jan 2008 16:40:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.2/8.14.2) with ESMTP id m0OGe2R3058879 for ; Thu, 24 Jan 2008 16:40:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m0OGe2n7058878; Thu, 24 Jan 2008 16:40:02 GMT (envelope-from gnats) Resent-Date: Thu, 24 Jan 2008 16:40:02 GMT Resent-Message-Id: <200801241640.m0OGe2n7058878@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, "Y.Okabe" Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8A56F16A41A for ; Thu, 24 Jan 2008 16:39:46 +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 45F4A13C44B for ; Thu, 24 Jan 2008 16:39:46 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from www.freebsd.org (localhost [127.0.0.1]) by www.freebsd.org (8.14.2/8.14.2) with ESMTP id m0OGcA8C021254 for ; Thu, 24 Jan 2008 16:38:10 GMT (envelope-from nobody@www.freebsd.org) Received: (from nobody@localhost) by www.freebsd.org (8.14.2/8.14.1/Submit) id m0OGcAvt021253; Thu, 24 Jan 2008 16:38:10 GMT (envelope-from nobody) Message-Id: <200801241638.m0OGcAvt021253@www.freebsd.org> Date: Thu, 24 Jan 2008 16:38:10 GMT From: "Y.Okabe" To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: usb/119945: rum device in hostap mode, cause kernel core dump. 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: Thu, 24 Jan 2008 16:40:03 -0000 >Number: 119945 >Category: usb >Synopsis: rum device in hostap mode, cause kernel core dump. >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-usb >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Jan 24 16:40:02 UTC 2008 >Closed-Date: >Last-Modified: >Originator: Y.Okabe >Release: 7.0-PRERELEASE >Organization: >Environment: FreeBSD 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE CPU: VIA C7 Esther+RNG+AES+AES-CTR+SHA1+SHA256+RSA (1500.00-MHz 686-class CPU) Origin = "CentaurHauls" Id = 0x6d0 Stepping = 0 Features=0xa7c9bbff Features2=0x4181 dmesg follow: uhub4: on usb4 uhub4: 8 ports with 8 removable, self powered rum0: on uhub4 rum0: MAC/BBP RT2573 (rev 0x2573a), RF RT2528 rum0: Ethernet address: 00:16:xx:xx:xx:xx rum0: if_start running deferred for Giant >Description: I made rum device into hostap mode. When receive some packet by rum device, kernel was panic and core dumped at module uhci.ko. >How-To-Repeat: 1. install GENERIC kernel for RENENG_7, 2. configure hostapd using rum0. 3. setup rum0 and wired lan ingerface bridge i.e. run ifconfig bridge0 create run ifconfig bridge0 addm rum0 addm eth0 run ifconfig bridge0 inet 192.168.1.9/24 4. run hostapd. 5. accsess wlan client this hostap accces point (by WPA-PSK, WPA-AES, WPA2-AES, etc...) 6. some packet send, kernel panic. >Fix: rum_free_tx_list function on if_rum.c , at the OpenBSD current source is --------------- openbsd if_rum.c start -------------------------------- void rum_free_tx_list(struct rum_softc *sc) { int i; for (i = 0; i < RUM_TX_LIST_COUNT; i++) { struct rum_tx_data *data = &sc->tx_data[i]; if (data->xfer != NULL) { usbd_free_xfer(data->xfer); data->xfer = NULL; } /* * The node has already been freed at that point so don't call * ieee80211_release_node() here. */ data->ni = NULL; } } --------------- openbsd if_rum.c end -------------------------------- therefor, freebsd's rum_free_tx_list function at if_rum.c /usr/src/sys/dev/usb/if_rum.c at line 650 static void rum_free_tx_list(struct rum_softc *sc) { struct rum_tx_data *data; int i; for (i = 0; i < RUM_TX_LIST_COUNT; i++) { data = &sc->tx_data[i]; if (data->xfer != NULL) { usbd_free_xfer(data->xfer); data->xfer = NULL; } if (data->ni != NULL) { - ieee80211_free_node(data->ni); + /*ieee80211_free_node(data->ni);*/ data->ni = NULL; } } } -------------------------------------------------------------------- I don't know this patch's work reason. but, hostapd can work at patched kernel. >Release-Note: >Audit-Trail: >Unformatted: