Re: 7.1 panic "vm_page_startup: inconsistent page counts"

On Sunday 15 March 2009 10:14:12 pm Peter Jeremy wrote:
On 2009-Mar-12 08:46:50 -0400, John Baldwin <jhb@xxxxxxxxxxx> 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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