From owner-freebsd-current@FreeBSD.ORG Sun Jul 27 12:01:26 2003 Return-Path: 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 CE55D37B404 for ; Sun, 27 Jul 2003 12:01:26 -0700 (PDT) Received: from hotmail.com (law10-oe28.law10.hotmail.com [64.4.14.85]) by mx1.FreeBSD.org (Postfix) with ESMTP id 949D943FA3 for ; Sun, 27 Jul 2003 12:01:25 -0700 (PDT) (envelope-from segr@hotmail.com) Received: from mail pickup service by hotmail.com with Microsoft SMTPSVC; Sun, 27 Jul 2003 12:01:25 -0700 Received: from 142.173.139.189 by law10-oe28.law10.hotmail.com with DAV; Sun, 27 Jul 2003 19:01:24 +0000 X-Originating-IP: [142.173.139.189] X-Originating-Email: [segr@hotmail.com] From: "Stephane Raimbault" To: "Bosko Milekic" References: Date: Sun, 27 Jul 2003 13:01:03 -0600 MIME-Version: 1.0 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Message-ID: X-OriginalArrivalTime: 27 Jul 2003 19:01:25.0267 (UTC) FILETIME=[7A13EE30:01C35471] cc: current@freebsd.org Subject: Re: FreeBSD 5.1-R kernel panic X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Sun, 27 Jul 2003 19:01:27 -0000 Hi Bosko, Thanks for your response. I do not use USB on the system... I'll try removing those devices from the kernel and see if the problem continues. I will let you know. Thanks, Stephane Raimbault. ----- Original Message ----- From: "Bosko Milekic" Newsgroups: mailing.freebsd.current Sent: Sunday, July 27, 2003 8:56 Subject: Re: FreeBSD 5.1-R kernel panic > > On Sat, Jul 26, 2003 at 10:48:21PM -0600, Stephane Raimbault wrote: > > Well, I had compiled "options DDB" into the kernel and today the kernel > > panic'd... here is what I got. I ran the following in the db> prompt. > > "trace", "show reg", "ps". Let me know if this is the kind of information > > you need, and if there is anything else I need to provide... can I > > re-compile the kernel without the "options DDB" now, or should I provide the > > same info next time in panic's to confirm it's the same problem? > > > > Thanks, > > Stephane. > > > > I've attached the file debug.txt which contains the panic info. Let me know > > if you need it in a different format. > > > > Thanks again, > > Stephane Raimbault. > > Are you using USB? > > Approximately 2 weeks ago, some changes were introduced into the USB > code which could in some scenarios mean a depletion of kmem_map. I've > glanced at usb_mem.c and it appears that the USB code 'caches' > everything that it allocates into a couple of lists it maintains > locally. This prevents UMA from seeing the freed memory and, from the > point of view of the VM, the memory is never reclaimed. > > I am unsure as to whether or not the memory allocated by the USB stuff > needs to be type stable so I can't really fix this. I urge the USB > authors to glance there. > > If you are using USB, try turning it off to see if the panic persists. > If not, then we'll have to look elsewhere. > > Regards, > -- > Bosko Milekic * bmilekic@technokratis.com * bmilekic@FreeBSD.org > TECHNOkRATIS Consulting Services * http://www.technokratis.com/ > _______________________________________________ > 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"