From owner-freebsd-bugs@FreeBSD.ORG Sun May 25 13:40:02 2008 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 DE3681065670 for ; Sun, 25 May 2008 13:40:02 +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 CD0F68FC17 for ; Sun, 25 May 2008 13:40:02 +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 m4PDe2ss039199 for ; Sun, 25 May 2008 13:40:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.2/8.14.1/Submit) id m4PDe2u8039198; Sun, 25 May 2008 13:40:02 GMT (envelope-from gnats) Date: Sun, 25 May 2008 13:40:02 GMT Message-Id: <200805251340.m4PDe2u8039198@freefall.freebsd.org> To: freebsd-bugs@FreeBSD.org From: Jonathan Crook Cc: Subject: Re: kern/123968: Rum driver causes kernel panic with WPA. X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Jonathan Crook List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 May 2008 13:40:02 -0000 The following reply was made to PR kern/123968; it has been noted by GNATS. From: Jonathan Crook To: bug-followup@FreeBSD.org, je.suis.bon@googlemail.com Cc: Subject: Re: kern/123968: Rum driver causes kernel panic with WPA. Date: Sun, 25 May 2008 14:31:31 +0100 I have looked into the issue further. Using a different wireless adapter (still ralink, but a ralink 2500) which uses the 'ural' driver, I still get a kernel panic in exactly the same manner. Unread portion of the kernel message buffer: Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x12 fault code = supervisor read, page not present instruction pointer = 0x20:0xc06b4e0a stack pointer = 0x28:0xe45cebe4 frame pointer = 0x28:0xe45cebfc code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 23 (irq23: uhci0 ehci0) trap number = 12 panic: page fault cpuid = 0 Uptime: 10m40s Physical memory: 1011 MB Dumping 136 MB: 121 105 89 73 57 41 25 9 #0 doadump () at pcpu.h:195 195 pcpu.h: No such file or directory. in pcpu.h (kgdb) list *0xc06b4e0a 0xc06b4e0a is in ural_txeof (/usr/src/sys/dev/usb/if_ural.c:881). 876 { 877 struct ural_tx_data *data = priv; 878 struct ural_softc *sc = data->sc; 879 struct ifnet *ifp = sc->sc_ic.ic_ifp; 880 881 if (data->m->m_flags & M_TXCB) 882 ieee80211_process_callback(data->ni, data->m, 883 status == USBD_NORMAL_COMPLETION ? 0 : ETIMEDOUT ); 884 if (status != USBD_NORMAL_COMPLETION) { 885 if (status == USBD_NOT_STARTED || status == USBD_CANCELL ED)