Date: Fri, 25 Oct 2002 09:19:38 +0930 From: Greg 'groggy' Lehey <grog@FreeBSD.org> To: Coleman Kane <cokane@FreeBSD.org> Cc: Eugene Mitrofanov <eugene@imedia.ru>, freebsd-stable@FreeBSD.org Subject: Re: vinum + 4.7 release = page fault Message-ID: <20021024234938.GZ53469@wantadilla.lemis.com> In-Reply-To: <20021024145624.GA68637@freebsd.org> References: <20021023163058.GA61012@freebsd.org> <XFMail.20021024111211.eugene@imedia.ru> <20021024075814.GO53469@wantadilla.lemis.com> <20021024145624.GA68637@freebsd.org>
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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
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