Date: Mon, 16 Mar 2009 13:49:14 -0500 From: Alan Cox <alc@cs.rice.edu> To: Peter Jeremy <peter.jeremy@alcatel-lucent.com.au> Cc: Alan Cox <alc@freebsd.org>, freebsd-stable@freebsd.org, John Baldwin <jhb@freebsd.org> Subject: Re: 7.1 panic "vm_page_startup: inconsistent page counts" Message-ID: <49BE9F2A.7040901@cs.rice.edu> In-Reply-To: <20090316021412.GI5857@pjdesk.au.alcatel-lucent.com> References: <20090312043646.GB8352@pjdesk.au.alcatel-lucent.com> <200903120846.50630.jhb@freebsd.org> <20090316021412.GI5857@pjdesk.au.alcatel-lucent.com>
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Peter Jeremy wrote: > On 2009-Mar-12 08:46:50 -0400, John Baldwin <jhb@freebsd.org> wrote: > >> On Thursday 12 March 2009 12:36:46 am Peter Jeremy wrote: >> >>> I'm trying to upgrade an 11 month old FreeBSD 7 image in a VMware >>> 4.5.2 guest to an up-to-date -stable and it panics as above. I've >>> added a printf to report the two counts and there's a difference of >>> one page. I don't have any problems with the old 7-stable image or >>> up-to-date 6-stable or -current using the same VMware version. >>> >>> A screendump for a verbose boot can be found at >>> http://imagebin.ca/img/wahNNw.gif >>> >>> Can I safely delete the assert? >>> >> I don't think so, I would report it to Alan. The one earlier report of this >> didn't include the detail that it was only off by one page. >> > > This is a bit moot now since you've disabled the test but rolling back > to a kernel from 26th Feb (before the superpages MFC) doesn't have the > page count discrepancy. > > It's useful to know that the older kernel doesn't fail the assertion. Thanks. Alan
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