>Number:         153789
>Category:       kern
>Synopsis:       REGRESSION: FreeBSD 8.2-RC1 crashes under Solaris/Xen while 
>FreeBSD 8.1-p2 does not.
>Confidential:   no
>Severity:       critical
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat Jan 08 12:50:09 UTC 2011
>Closed-Date:
>Last-Modified:
>Originator:     Andrew Kolchoogin
>Release:        FreeBSD 8.2-RC1
>Organization:
>Environment:
>Description:
After building FreeBSD 8.2-RC1/i386/Xen kernel and booting it under Solaris 
Express 2010.11/xVM it crashes immediately in pmap_init():

pmap_init(): address is out of range

As partition map initialisation is a very early part of kernel init, backtrace 
is useless -- it is empty.

It is a regression in comparision with FreeBSD v8.1 -- with the same Xen 
configuration FreeBSD v8.1 boots and runs adequately.

With decreasing of amount of memory available in virtual machine to value below 
1G, kernel hungs in endless loop without any output to console -- only 'xm 
destroy' is able to destroy the domain in question.
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted:
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