From owner-freebsd-current@FreeBSD.ORG Thu Nov 3 20:14:16 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 E791610657A4 for ; Thu, 3 Nov 2011 20:14:16 +0000 (UTC) (envelope-from hselasky@c2i.net) Received: from swip.net (mailfe02.c2i.net [212.247.154.34]) by mx1.freebsd.org (Postfix) with ESMTP id 5F5208FC21 for ; Thu, 3 Nov 2011 20:14:15 +0000 (UTC) X-T2-Spam-Status: No, hits=-0.2 required=5.0 tests=ALL_TRUSTED, BAYES_50 Received: from [188.126.198.129] (account mc467741@c2i.net HELO laptop002.hselasky.homeunix.org) by mailfe02.swip.net (CommuniGate Pro SMTP 5.2.19) with ESMTPA id 200147385; Thu, 03 Nov 2011 21:14:14 +0100 From: Hans Petter Selasky To: freebsd-current@freebsd.org Date: Thu, 3 Nov 2011 21:11:18 +0100 User-Agent: KMail/1.13.5 (FreeBSD/8.2-STABLE; KDE/4.4.5; amd64; ; ) References: <4EB1602C.6030807@janh.de> <4EB27225.4020504@janh.de> <4EB2895B.3080104@janh.de> In-Reply-To: <4EB2895B.3080104@janh.de> X-Face: *nPdTl_}RuAI6^PVpA02T?$%Xa^>@hE0uyUIoiha$pC:9TVgl.Oq, NwSZ4V"|LR.+tj}g5 %V,x^qOs~mnU3]Gn; cQLv&.N>TrxmSFf+p6(30a/{)KUU!s}w\IhQBj}[g}bj0I3^glmC( :AuzV9:.hESm-x4h240C`9=w MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201111032111.18806.hselasky@c2i.net> Cc: Jan Henrik Sylvester Subject: Re: USB3 express card panics on 9.0-RC1 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: Thu, 03 Nov 2011 20:14:17 -0000 On Thursday 03 November 2011 13:30:19 Jan Henrik Sylvester wrote: > On 11/03/2011 11:51, Jan Henrik Sylvester wrote: > > On 11/03/2011 09:27, Hans Petter Selasky wrote: > >> On Wednesday 02 November 2011 16:22:20 Jan Henrik Sylvester wrote: > >>> I have bought a "Super-speed Express Card To USB 3.0 1-Port" to connect > >>> an USB3 hard disk to my Thinkpad T510, which only has USB2. > >>> > >>> Trying to hot plug the express card did nothing, but I guess that is > >>> expected. Hence, I booted with the express card already inserted, only > >>> to receive a panic upon xhci0 initialization, see below. > >>> > >>> This is on FreeBSD 9.0-RC1/amd64 with a generic kernel installed from > >>> the official DVD. > >>> > >>> I guess I could test 226803 mentioned in > >>> http://lists.freebsd.org/pipermail/freebsd-usb/2011-October/010746.html > >>> , which happened after RC1, but from the commit message, it only fixes > >>> suspend and resume. > >>> > >>> As I do not have much time now, should I test 226803, find a Linux CD > >>> to actually identify the device, or anything else? > >>> > >>> Cheers, > >>> Jan Henrik > >>> > >>> > >>> usbus0: 480 Mbps High Speed USB v2.0 > >>> > >>> Fatal trap 12: page fault while in kernel mode > >>> cpuid = 0; apic id = 00 > >>> fault virtual address = 0x18 > >>> fault code = supervisor write data, page not present > >>> instruction ponter = 0x20:0xffffffff806e80aa > >>> stack pointer = 0x28:0xffffff810ee50bc0 > >>> frame pointer = 0x28:0xffffff810ee50bf0 > >>> code segment = base 0x0, limit 0xfffff, type 0x16 > >>> = DPL 0, pres 1, long 1, def32 0, gran 1 > >>> processor eflags = interrupt enabled, resume, IOPL = 0 > >>> current process = 15 (xhci0) > >>> trap number = 12 > >>> panic: page fault > >>> cpuid = 0 > >>> Uptime = 1s > >>> Automatic reboot in 15 seconds - press a key on the console to abort > >> > >> Hi, > >> > >> This looks like a NULL-pointer issue inside "xhci_configure_msg()" which > >> probably should be easy to fix. > >> > >> Could you compile and boot a kernel with kernel debugging enable so > >> that you > >> get a backgtrace? > > > > I have not done this before. > > > > The GENERIC kernel already contains "makeoptions DEBUG=-g" (at least it > > is in /usr/src/sys/amd64/conf/GENERIC and there are all this large > > /boot/kernel/*.symbols). Is there anything else needed? (I do not need > > all the stuff that Ken Smith took out just before RC1 in r226405 just to > > get a trace, since I do not want to do online debugging, or do I need it > > anyhow?) > > > > From > > > > http://www.freebsd.org/doc/en/books/developers-handbook/kerneldebug.html > > , I thought that setting dumpdev="AUTO" in /etc/rc.conf was enough to > > get a dump in /var/crash/ after the next boot to multiuser. That does > > not seem to be the case for me. What else do I have to do? > > After reading a bit more, I still do not know why I do not get a crash > dump with dumpdev="AUTO" (and /var/crash/ having enough space for a full > memory dump). Is it too early during boot for dumpon to be set? Try removing "device xhci" from the kernel config file and "kldload xhci" from the root prompt. Then I think you will get the kernel dump. --HPS