From owner-freebsd-stable@FreeBSD.ORG Mon Apr 19 08:58:58 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 20CBD106564A for ; Mon, 19 Apr 2010 08:58:58 +0000 (UTC) (envelope-from laa@cemu.ru) Received: from m.cemu.ru (m.cemu.ru [81.95.136.64]) by mx1.freebsd.org (Postfix) with ESMTP id C41F58FC12 for ; Mon, 19 Apr 2010 08:58:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=laa.zp.ua; s=dkim; h=Sender:In-Reply-To:Content-Type:Mime-Version:References:Message-ID:Subject:To:From:Date; bh=8+LSN2PxXV42rIuejl5hnqqqrFR84jGzoQi1bHX8m2I=; b=Cg823DcISOsBvsHthnGPmX+jRPwmWXd4FXaVD5IlhvW1fFrQtlyTEK7L3Co6Bo0jGVt6N2TdytuLYyyZaR8dANKY/CttAR+l+fTowTmZlsRZUmftOEmYQ1nYJbgw7g6BZ/Qek8/lEUZwPS1RmDDPcY3xpkQ/RJXtRHfanq6Ayps=; Received: from laa by m.cemu.ru with local (Exim) (envelope-from ) id 1O3moi-0006dn-AT for freebsd-stable@freebsd.org; Mon, 19 Apr 2010 12:58:56 +0400 Date: Mon, 19 Apr 2010 12:58:56 +0400 From: Lystopad Olexandr To: freebsd-stable@freebsd.org Message-ID: <20100419085856.GX2460@cemu.ru> References: <20100414103054.GA2460@cemu.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i Sender: laa Subject: Re: ath0: kernel panic when adhoc mode. X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Apr 2010 08:58:58 -0000 Hello, Paul B Mahol! On Sun, Apr 18, 2010 at 10:20:26AM +0000 onemda@gmail.com wrote about "Re: ath0: kernel panic when adhoc mode.": > On 4/14/10, Lystopad Olexandr wrote: > > Hi! > > > > I install 8.0 FreeBSD, upgrade it to yesturday stable. > > I need to create wireless link in adhoc mode. > > Help me to do this. > > > > > > I put a wireless card into this box: > > > > ath0@pci0:3:3:0: class=0x020000 card=0xcc2114b9 chip=0x0013168c > > rev=0x01 hdr=0x00 > > vendor = 'Atheros Communications Inc.' > > device = '802.11a/b/g Wireless Adapter (AR5212)' > > class = network > > subclass = ethernet > > cap 01[44] = powerspec 2 supports D0 D3 current D0 > > > > > > > > when I do: > > # ifconfig wlan0 create wlandev ath0 wlanmode adhoc > > > > server reboot with kernel panic: > > > > Fatal trap 12: page fault while in kernel mode > > cpuid = 1; apic id = 01 > > fault virtual address = 0xffff > > fault code = supervisor read, page not present > > instruction pointer = 0x20:0xc0791612 > > stack pointer = 0x28:0xd2f42ba4 > > frame pointer = 0x28:0xd2f42bac > > 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 = 0 (ath0 taskq) > > trap number = 12 > > panic: page fault > > cpuid = 1 > > Uptime: 3m35s > > Physical memory: 439 MB > > Dumping 80 MB: 65 49 33panic: bufwrite: buffer is not busy??? > > cpuid = 1 > > 17 1 > > > > #0 doadump () at pcpu.h:246 > > 246 pcpu.h: No such file or directory. > > in pcpu.h > > (kgdb) #0 doadump () at pcpu.h:246 > > #1 0xc06b3497 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:416 > > #2 0xc06b3789 in panic (fmt=Variable "fmt" is not available. > > ) at /usr/src/sys/kern/kern_shutdown.c:579 > > #3 0xc08b63bc in trap_fatal (frame=0xd2f42b64, eva=65535) > > at /usr/src/sys/i386/i386/trap.c:938 > > #4 0xc08b6620 in trap_pfault (frame=0xd2f42b64, usermode=0, eva=65535) > > at /usr/src/sys/i386/i386/trap.c:851 > > #5 0xc08b6f39 in trap (frame=0xd2f42b64) at > > /usr/src/sys/i386/i386/trap.c:533 > > #6 0xc0899b3b in calltrap () at /usr/src/sys/i386/i386/exception.s:165 > > #7 0xc0791612 in ieee80211_getcapinfo (vap=0xc2d5f000, chan=0xffff) > > at /usr/src/sys/net80211/ieee80211_output.c:1836 > > #8 0xc0793d17 in ieee80211_beacon_construct (m=0xc2edca00, > > frm=0xc2f0516e "", bo=0xc2d5f884, ni=0xc2ceb000) > > at /usr/src/sys/net80211/ieee80211_output.c:2559 > > #9 0xc07946db in ieee80211_beacon_alloc (ni=0xc2ceb000, bo=0xc2d5f884) > > at /usr/src/sys/net80211/ieee80211_output.c:2756 > > #10 0xc050eaea in ath_newstate (vap=0xc2d5f000, nstate=IEEE80211_S_RUN, > > arg=-1) at /usr/src/sys/dev/ath/if_ath.c:2641 > > #11 0xc0798db1 in ieee80211_newstate_cb (xvap=0xc2d5f000, npending=3) > > at /usr/src/sys/net80211/ieee80211_proto.c:1654 > > #12 0xc06ebf92 in taskqueue_run (queue=0xc2a84c80) > > at /usr/src/sys/kern/subr_taskqueue.c:239 > > #13 0xc06ec19d in taskqueue_thread_loop (arg=0xc2ada074) > > at /usr/src/sys/kern/subr_taskqueue.c:360 > > #14 0xc068a331 in fork_exit (callout=0xc06ec0e0 , > > arg=0xc2ada074, frame=0xd2f42d38) at /usr/src/sys/kern/kern_fork.c:843 > > #15 0xc0899bb0 in fork_trampoline () at > > /usr/src/sys/i386/i386/exception.s:270 > > (kgdb) > > > > This is bug, please report it ASAP. Thanks. Done. http://www.freebsd.org/cgi/query-pr.cgi?pr=145826 -- Olexandr Lystopad