pressflow6 + varnish3b -- varnish working, but status report page is empty

i've pressflow6 + varnish3b isntalled,

varnishd -V
varnishd (varnish-3.0.0-beta1 revision varnish-3.0.0-beta1-84-g76fc17c)
Copyright (c) 2006-2009 Linpro AS / Verdens Gang AS

settings @ https://test.loc/admin/settings/varnish

	Flush Page Cache on Cron:
		[ ] Disabled
		[x] Enabled (with respect for cache_lifetime)

		[ ] Varnish Legacy Mode

	Varnish Control Terminal:
		127.0.0.1:7070
	Varnish Control Key:
		(empty)
	Varnish Connection Timeout (milliseconds):
		100
	Varnish Cache Clearing:
		[ ] Dripal Default
		[ ] None
		[x] Selective (experimental; uses expire.module)
	Status:
	Varnish running.  Observer mode detailed statistics here.

@ https://test.loc/admin/reports/varnish

	Varnish status
	mySite   Administer   Reports   Varnish status      Hello myAdmin   Logout

@ page source,

...
<li class="logout last"><a href="/logout">Logout</a></li>
</ul>      <div class='breadcrumb clear-block'><span class='breadcrumb-link'><a href="/">mySite</a></span><span class='breadcrumb-link'><a href="/admin">Administer</a></span><span class='breadcrumb-link'><a href="/admin/reports" title="View reports from system logs and other status information.">Reports</a></span><span class='breadcrumb-link'><strong>Varnish status</strong></span></div>

    </div></div>
  </div>

<div id='page' class='clear-block limiter page-content'>

  <div id='content'>
          </div>
</div>


  <script type="text/javascript">
<!--//--><![CDATA[//><!--
...

checking @ cmd line, varnish is working,

varnishstat -1

client_conn                349         0.32 Client connections accepted
client_drop                  0         0.00 Connection dropped, no sess/wrk
client_req                 460         0.42 Client requests received
cache_hit                    0         0.00 Cache hits
cache_hitpass                0         0.00 Cache hits for pass
cache_miss                 114         0.10 Cache misses
backend_conn               356         0.32 Backend conn. success
...
VBE.mySite_default(127.0.0.1,,10080).vcls            1          .   VCL references
VBE.mySite_default(127.0.0.1,,10080).happy           0          .   Happy health probes