From owner-freebsd-current@FreeBSD.ORG Wed Jun 29 01:50:09 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 BC775106564A for ; Wed, 29 Jun 2011 01:50:09 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-gy0-f182.google.com (mail-gy0-f182.google.com [209.85.160.182]) by mx1.freebsd.org (Postfix) with ESMTP id 7DA748FC1A for ; Wed, 29 Jun 2011 01:50:09 +0000 (UTC) Received: by gyf3 with SMTP id 3so423501gyf.13 for ; Tue, 28 Jun 2011 18:50:08 -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=pwhxZxSZ7lZ6nJAWE5x7CPzJ2XDRCr9W7bOBdOwqn9w=; b=WQs7SLbmbjKE8TfC6llfacknedWiuvai59LcF+0lBlDAafqepL2eJKQNYpAWiWX3b7 WvMUseE282nBXmHR2UTANtb9TxN7jxJg3ZhDj2mtduYaAApvcieH0LMIgG+sGi+oQutw jS3GJmvD776A11evwbtK+r85NUBMQ3f+xx408= MIME-Version: 1.0 Received: by 10.150.208.8 with SMTP id f8mr214560ybg.399.1309312208784; Tue, 28 Jun 2011 18:50:08 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.151.45.11 with HTTP; Tue, 28 Jun 2011 18:50:08 -0700 (PDT) In-Reply-To: <4E099EB2.7050902@freebsd.org> References: <4E099EB2.7050902@freebsd.org> Date: Wed, 29 Jun 2011 09:50:08 +0800 X-Google-Sender-Auth: qK1K0lW-JVxqM6sALBFkiUdJ_Ho Message-ID: From: Adrian Chadd To: Stefan Esser Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: FreeBSD Current Subject: Re: Panic in ieee80211 tx mgmt timeout 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: Wed, 29 Jun 2011 01:50:09 -0000 This is kinda strange; that symbol doesn't exist in the net80211 or ath sou= rce. What the heck? adrian On 28 June 2011 17:28, Stefan Esser wrote: > Hi, > > is this a known issue? > > My -CURRENT system (r223560M, amd64, 8GB, Atheros WLAN) panics after > minutes to hours of uptime with the following message: > > Fatal trap 12: page fault while in kernel mode > cpuid =3D 0; apic id =3D 0 > fault virtual address =A0 =3D 0xffffff807f502000 > fault code =A0 =A0 =A0 =A0 =A0 =A0 =A0=3D supervisor data read, page not = present > ... > processor eflags =A0 =A0 =A0 =A0=3D interrupt enabled, resume, IOPL =3D 0 > current process =A0 =A0 =A0 =A0 =3D 11 (swi4: clock) > [ thread pid 11 tid 1000012 ] > Stopped at =A0 =A0 =A0ieee80211_tx_mgmt_timeout+0x1: =A0movq =A0 =A0 (%rd= i),%rdi > > db> bt > Tracing pid 11 tid 100012 td 0xfffffe00032e0000 > ieee80211_tx_mgmt_timeout() at ieee80211_tx_mgmt_timeout+0x1 > intr_event_execute_handlers() at intr_event_execute_handlers+0x66 > ithread_loop() at ithread_loop+0x96 > fork_exit() at fork_exit+0x11d > fork_trampoline() at fork_trampoline+0xe > --- trap 0, rip =3D 0, rsp =3D 0xffffff8000288d00, rbp =3D 0 --- > > This panic message is manually transcribed, since the GPT-only > partitioning prevents dumping of a kernel core. (Why, BTW?) > I could add a swap partition on a MBR disk, if a core dump seems > neccessary to diagnose the problem. I'm also willing to wait for that > panic to occur again and to gather more debug output. > > > Other information: The Atheros WLAN in this system is unused (not > associated) but both ath0 and wlan0 were "UP" at the time of the panic. > > Initial testing shows the system to be stable with both wlan0 and ath0 > set to "down" after boot. But still, the timeout should not panic the > kernel, if WLAN is active but not fully configured (e.g. no SSID). > > Any ideas? > > Best regards, STefan > _______________________________________________ > 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= " >