[Bug 192655] New: HP folio 9470m cannot efi boot from 11-current memstick snapshot

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192655

            Bug ID: 192655
           Summary: HP folio 9470m cannot efi boot from 11-current
                    memstick snapshot
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: amd64
                OS: Any
            Status: Needs Triage
          Keywords: uefi
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: hiren at FreeBSD.org
                CC: emaste at freebsd.org, ray at FreeBSD.org

Trying to bootup this windows laptop HP Folio 9470m with
FreeBSD-11.0-CURRENT-amd64-20140811-r269824-memstick.img image on a usb stick
to install FreeBSD on it.

If I select "UEFI Hybrid (With CSM)"
-----------------------------------

And then "Boot From EFI file", navigate to the BOOTx64.efi and try to boot it,
stop at loader prompt, set "set kern.vty=vt".

"boot": it prints "EFI framebuffer info": 
http://imgur.com/QvoZZpg

and then panics in vm_map_lookup()
http://imgur.com/ZoZqEw5

"boot -v": it panics at cam_quirkmatch() and drops to db>. Looks like this: 
http://imgur.com/bOmuRzY
http://imgur.com/eZznB8Y


If I select "UEFI Native (Without CSM)"
---------------------------------------

And then "Boot From EFI file", navigate to the BOOTx64.efi and try to boot it,
stop at loader prompt, set "set kern.vty=vt".

"boot": it prints "EFI framebuffer info" and hangs there:
http://imgur.com/mNCWUbL

"boot -v": does the same thing as "boot"

I've tried booting up with Legacy boot but that also fails. (Besides, I want to
make sure uefi works better ;-))

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