From owner-freebsd-stable@FreeBSD.ORG Tue Jun 19 06:42:44 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5292E106566B for ; Tue, 19 Jun 2012 06:42:44 +0000 (UTC) (envelope-from bschmidt@techwires.net) Received: from mail-lb0-f182.google.com (mail-lb0-f182.google.com [209.85.217.182]) by mx1.freebsd.org (Postfix) with ESMTP id BB64E8FC16 for ; Tue, 19 Jun 2012 06:42:43 +0000 (UTC) Received: by lbon10 with SMTP id n10so6499601lbo.13 for ; Mon, 18 Jun 2012 23:42:42 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:sender:x-originating-ip:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding:x-gm-message-state; bh=gNWy1NWsRyGGcsp1xXhjpaST5bp06XzMYsiZeY723d0=; b=hqGPhzvJhDBbMyQZQ0p/JOjd7eu/5b9Nt2TZIlOTcvvRC/ykjYY/gLWEVXe756aBzF WF0mHCoCbpFXpTzZ/o+L0TgZNf1u1dPVOD3ZymmPSo2xAQHaSbFEabFMoBQG7JL+oDbw PKWtgt4Byx4Vs2tJlJbr+HMBb4yh8uk6WVfiIe/Q6yyJf117vmbcfBy3xmmtoI+2XjLg 4VPPCnrtIYGswGKDY0UaVCIKkcIES9iawy6GCgMJB2r2fZSKunljEoTTvG7waZS6FSU3 E7yXOfUqE0VBL5pVVmrEkXRA0no9IkKsyvJovmgStOIfgvIszjStL+psJH2hJQslWRqG mriQ== MIME-Version: 1.0 Received: by 10.112.84.168 with SMTP id a8mr7590491lbz.92.1340088162660; Mon, 18 Jun 2012 23:42:42 -0700 (PDT) Sender: bschmidt@techwires.net Received: by 10.152.24.7 with HTTP; Mon, 18 Jun 2012 23:42:42 -0700 (PDT) X-Originating-IP: [79.140.39.245] In-Reply-To: <4FDF0863.50609@roffiaen.com> References: <4FDF0863.50609@roffiaen.com> Date: Tue, 19 Jun 2012 08:42:42 +0200 X-Google-Sender-Auth: J78w3rvte4H-yfdruYI6OMOEPfg Message-ID: From: Bernhard Schmidt To: David ROFFIAEN Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Gm-Message-State: ALoCoQmc2kwD7NCHwX1QgoeFrf49fXjlgghRG3MubNYTgWenwDRnKVQpd000jxht6eu2+KD1KUpB Cc: freebsd-stable Subject: Re: vlan+iwn panic 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: Tue, 19 Jun 2012 06:42:44 -0000 On Mon, Jun 18, 2012 at 12:52 PM, David ROFFIAEN wrote: > Hi list, > > I encoutered a panic with FreeBSD 9 Stable creating vlan with wlan0 (iwn0= ) > parent. Panic occur when upping the vlan : > > Unread portion of the kernel message buffer: > > > Fatal trap 12: page fault while in kernel mode > cpuid =3D 0; apic id =3D 00 > fault virtual address =A0 =3D 0x0 > fault code =A0 =A0 =A0 =A0 =A0 =A0 =A0=3D supervisor read data, page not = present > instruction pointer =A0 =A0 =3D 0x20:0x0 > stack pointer =A0 =A0 =A0 =A0 =A0 =3D 0x28:0xffffff800024b3f0 > frame pointer =A0 =A0 =A0 =A0 =A0 =3D 0x28:0xffffff800024b4b0 > code segment =A0 =A0 =A0 =A0 =A0 =A0=3D base 0x0, limit 0xfffff, type 0x1= b > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0=3D DPL 0, pres 1, long 1,= def32 0, gran 1 > processor eflags =A0 =A0 =A0 =A0=3D interrupt enabled, resume, IOPL =3D 0 > current process =A0 =A0 =A0 =A0 =3D 12 (swi4: clock) > trap number =A0 =A0 =A0 =A0 =A0 =A0 =3D 12 > panic: page fault > cpuid =3D 0 > KDB: stack backtrace: > #0 0xffffffff80625896 at kdb_backtrace+0x66 > #1 0xffffffff805ed71e at panic+0x1ce > #2 0xffffffff80887690 at trap_fatal+0x290 > #3 0xffffffff808879fc at trap_pfault+0x21c > #4 0xffffffff80887ff5 at trap+0x365 > #5 0xffffffff80872713 at calltrap+0x8 > #6 0xffffffff807b9968 at nd6_output+0x18 > #7 0xffffffff807b41ed at ip6_output+0x11dd > #8 0xffffffff807b4c8c at mld_dispatch_packet+0xdc > #9 0xffffffff807b5121 at mld_dispatch_queue+0x21 > #10 0xffffffff807b7ac0 at mld_fasttimo+0x640 > #11 0xffffffff8064fdbb at pffasttimo+0x2b > #12 0xffffffff80603540 at softclock+0x3c0 > #13 0xffffffff805bf3e4 at intr_event_execute_handlers+0x104 > #14 0xffffffff805c0b64 at ithread_loop+0xa4 > #15 0xffffffff805bc04f at fork_exit+0x11f > #16 0xffffffff80872c3e at fork_trampoline+0xe I don't see this on HEAD, so some commit might have fixed it, not certain which one though. I'm running into another panic though. > This problem doesn't occur with atheros card on SOEKRIS (i386). Just the "up" works or can you even do traffic? I'm not so sure about the later, I'm not aware that wlan+vlan has ever be tested. If it works for ath though, I'll look into the iwn part. --=20 Bernhard