From owner-freebsd-current@FreeBSD.ORG Mon Aug 8 09:58:04 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 0534D106564A for ; Mon, 8 Aug 2011 09:58:04 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-vw0-f54.google.com (mail-vw0-f54.google.com [209.85.212.54]) by mx1.freebsd.org (Postfix) with ESMTP id B71D68FC19 for ; Mon, 8 Aug 2011 09:58:03 +0000 (UTC) Received: by vws18 with SMTP id 18so2497190vws.13 for ; Mon, 08 Aug 2011 02:58:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=MuPsuQGehv0x+yItqfgQvW5LNh1aZ51PHTB94jk1Jlg=; b=N43TYbf53/DoDQ4aIaO3/EfRe5JQljfsFSJTmTngNC7zXl8g8y8gmM3orOW4kE8jfV XJa7/dLWC0+B1cRbc+slpJfJWE2eo/6b9cU34wUq19yfszxXtAc1zb3c0giI4ARsPOnO 2R4PUFG64pKsLCnMYXlkhV332jYZFGPa8Q9ZM= MIME-Version: 1.0 Received: by 10.52.95.163 with SMTP id dl3mr4985913vdb.229.1312797483181; Mon, 08 Aug 2011 02:58:03 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.52.157.193 with HTTP; Mon, 8 Aug 2011 02:58:03 -0700 (PDT) In-Reply-To: References: Date: Mon, 8 Aug 2011 17:58:03 +0800 X-Google-Sender-Auth: xtNp2kPgNjYNwzEp2k0GL6Oi18A Message-ID: From: Adrian Chadd To: Ian FREISLICH Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-current@freebsd.org Subject: Re: panic; current process = 0 (ath0 taskq) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Aug 2011 09:58:04 -0000 Ian, can you please create a PR for this? That line in -HEAD is part of the RX "packet is bigger than a single ath_buf descriptor buffer", and I've not seen that code executed before. :) Adrian On 2 August 2011 20:27, Ian FREISLICH wrote: > Hi > > I've been getting a lot of these lately. =A0Especially when my wireless > struggles to maintain its association with the AP. > > Fatal trap 12: page fault while in kernel mode > cpuid =3D 0; apic id =3D 00 > fault virtual address =A0 =3D 0xc6e5da00 > fault code =A0 =A0 =A0 =A0 =A0 =A0 =A0=3D supervisor write, page not pres= ent > instruction pointer =A0 =A0 =3D 0x20:0xc051e0a8 > stack pointer =A0 =A0 =A0 =A0 =A0 =3D 0x28:0xdea1dc28 > frame pointer =A0 =A0 =A0 =A0 =A0 =3D 0x28:0xdea1dc8c > 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, def32 1= , gran 1 > processor eflags =A0 =A0 =A0 =A0=3D interrupt enabled, resume, IOPL =3D 0 > current process =A0 =A0 =A0 =A0 =3D 0 (ath0 taskq) > trap number =A0 =A0 =A0 =A0 =A0 =A0 =3D 12 > panic: page fault > cpuid =3D 0 > Uptime: 4h50m4s > Physical memory: 2027 MB > Dumping 202 MB: 187 171 155 139 123 107 91 75 59 43 27 11 > > (kgdb) > #0 =A0doadump (textdump=3D1) at pcpu.h:244 > #1 =A00xc0690729 in kern_reboot (howto=3D260) > =A0 =A0at /usr/src/sys/kern/kern_shutdown.c:430 > #2 =A00xc069099a in panic (fmt=3DVariable "fmt" is not available.) > =A0 =A0at /usr/src/sys/kern/kern_shutdown.c:595 > #3 =A00xc085492e in trap_fatal (frame=3D0xdea1dbe8, eva=3D3336952320) > =A0 =A0at /usr/src/sys/i386/i386/trap.c:967 > #4 =A00xc0854b73 in trap_pfault (frame=3D0xdea1dbe8, usermode=3D0, eva=3D= 3336952320) > =A0 =A0at /usr/src/sys/i386/i386/trap.c:880 > #5 =A00xc085500d in trap (frame=3D0xdea1dbe8) at /usr/src/sys/i386/i386/t= rap.c:555 > #6 =A00xc083f2bc in calltrap () at /usr/src/sys/i386/i386/exception.s:168 > #7 =A00xc051e0a8 in ath_rx_proc (arg=3D0xc4e58000, npending=3D1) > =A0 =A0at /usr/src/sys/dev/ath/if_ath.c:3651 > #8 =A00xc06cc38d in taskqueue_run_locked (queue=3D0xc4e6b8c0) > =A0 =A0at /usr/src/sys/kern/subr_taskqueue.c:306 > #9 =A00xc06cd1e5 in taskqueue_thread_loop (arg=3D0xc4e5832c) > =A0 =A0at /usr/src/sys/kern/subr_taskqueue.c:495 > #10 0xc06664f9 in fork_exit (callout=3D0xc06cd129 = , > =A0 =A0arg=3D0xc4e5832c, frame=3D0xdea1dd28) at /usr/src/sys/kern/kern_fo= rk.c:941 > #11 0xc083f334 in fork_trampoline () at /usr/src/sys/i386/i386/exception.= s:275 > > Full crash message attached. > > Ian > > -- > Ian Freislich > > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org= " >