From owner-freebsd-stable Thu Oct 24 16:49:43 2002 Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2703137B401; Thu, 24 Oct 2002 16:49:42 -0700 (PDT) Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by mx1.FreeBSD.org (Postfix) with ESMTP id CD4F343E6E; Thu, 24 Oct 2002 16:49:40 -0700 (PDT) (envelope-from grog@lemis.com) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id A721C81165; Fri, 25 Oct 2002 09:19:38 +0930 (CST) Date: Fri, 25 Oct 2002 09:19:38 +0930 From: Greg 'groggy' Lehey To: Coleman Kane Cc: Eugene Mitrofanov , freebsd-stable@FreeBSD.org Subject: Re: vinum + 4.7 release = page fault Message-ID: <20021024234938.GZ53469@wantadilla.lemis.com> References: <20021023163058.GA61012@freebsd.org> <20021024075814.GO53469@wantadilla.lemis.com> <20021024145624.GA68637@freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20021024145624.GA68637@freebsd.org> User-Agent: Mutt/1.4i Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 9A1B 8202 BCCE B846 F92F 09AC 22E6 F290 507A 4223 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thursday, 24 October 2002 at 10:56:24 -0400, Coleman Kane wrote: > On Thu, Oct 24, 2002 at 05:28:14PM +0930, Greg 'groggy' Lehey wrote: >> On Thursday, 24 October 2002 at 11:12:11 +0400, Eugene Mitrofanov wrote: >>> >>> I have this problem on two machines with 4.7-R. One of them has two 17Gb >>> SCSI disks and four RAID-1 vinum mirrors and another has one IDE drive >>> with one RAID-1 mirror. I use this machine to reproduce the 'vinum start' >>> problem. Both system are using the GENERIC 4.7-R kernel. >> >> It depends on the geometries you use. That's why I had such >> difficulties in reproducing the problem. > > Hmm.. Did it page fault in kernelland or userland? I was thinking kernel > from the way you were talking about it earlier, but wanted to make sure. Page faults in userland are normal, not an error. There are no real "page faults" in the kernel; the term is used, but it's a misnomer. This is a reference to non-existent memory. It happened in the vinum function launch_requests: it tried to call a driver for device number 0, which doesn't exist. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message