Date: Wed, 18 Mar 2009 11:56:58 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-stable@freebsd.org Cc: Alan Cox <alc@freebsd.org>, Peter Jeremy <peter.jeremy@alcatel-lucent.com.au> Subject: Re: 7.1 panic "vm_page_startup: inconsistent page counts" Message-ID: <200903181156.58853.jhb@freebsd.org> 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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On Sunday 15 March 2009 10:14:12 pm 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. Ok. I think the discrepancy is due to the memory being reserved for the reservation table not being accounted for in 'npages'. I'm just going to remove the assertion in 7 to match what is in 8. -- John Baldwin
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