From owner-freebsd-current@FreeBSD.ORG  Mon Jun 28 17:03:37 2004
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id 2256F16A4CE
	for <freebsd-current@FreeBSD.org>;
	Mon, 28 Jun 2004 17:03:37 +0000 (GMT)
Received: from imap.univie.ac.at (mailbox-lmtp.univie.ac.at [131.130.1.27])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 77FB543D1D
	for <freebsd-current@FreeBSD.org>;
	Mon, 28 Jun 2004 17:03:36 +0000 (GMT)	(envelope-from le@FreeBSD.org)
Received: from wireless (adslle.cc.univie.ac.at [131.130.102.11])
	by imap.univie.ac.at (8.12.10/8.12.10) with ESMTP id i5SH3PZw1126528;
	Mon, 28 Jun 2004 19:03:28 +0200
Date: Mon, 28 Jun 2004 19:03:28 +0200 (CEST)
From: Lukas Ertl <le@FreeBSD.org>
To: Bryan Liesner <bryan@kishka.net>
In-Reply-To: <20040626115242.X570@gravy.kishka.net>
Message-ID: <20040628190253.U658@korben.in.tern>
References: <20040626115242.X570@gravy.kishka.net>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
X-DCC-ZID-Univie-Metrics: mx8 4249; Body=2 Fuz1=2 Fuz2=2
cc: freebsd-current@FreeBSD.org
Subject: Re: Panic:  EHCI and umass
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 28 Jun 2004 17:03:37 -0000

On Sat, 26 Jun 2004, Bryan Liesner wrote:

> Large transfers like dumping a filesystem or a tar of a filesystem causes the 
> transfer to grind to a halt and eventually panic.  No dump is available, here 
> is the transcribed DDB output:
>
> Fatal trap 12: page fault while in kernel mode
> fault virtual address   = 0x53425355
> fault code              = supervisor read, page not present
> instruction pointer     = 0x8:0xc05147d2
> stack pointer           = 0x10:0xd4294b6c
> frame pointer           = 0x10:0xd4294b8c
> code  segment           = base 0x0 limit 0xffff, type 0x1b
>                        = DPL0, pres 1, def32 1, gran1
> processor eflags        = interrupt enabled, resume, IOPL=0
> current process         = 20 (irq10: pcm0 ehci0)
> kernel: type 12 trap,code=0
>
> Stopped at usb_allocmem+0x82: cmpl %esi, 0(%eax)

Could you try to get a vmcore and a backtrace from it?

cheers,
le

-- 
Lukas Ertl                         http://homepage.univie.ac.at/l.ertl/
le@FreeBSD.org                     http://people.freebsd.org/~le/