amd64/185930: system freeze after kldload vmm.ko

[Andrey Lavrentyev]

>Number:         185930
>Category:       amd64
>Synopsis:       system freeze after kldload vmm.ko
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon Jan 20 16:10:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator:     Andrey Lavrentyev
>Release:        FreeBSD 10.0-RELEASE
>Organization:
JINR
>Environment:
#  uname -a
FreeBSD bsd10.lan.dubna.ru 10.0-RELEASE FreeBSD 10.0-RELEASE #0: Mon Jan 20 18:40:38 MSK 2014     toor at bsd10.lan.dubna.ru:/usr/obj/usr/src/sys/VIM10R  amd64
#
>Description:
Hardware: ASUS P7P55D LE
CPU: Core i5 661
RAM: 8GB
BIOS: VT-x = Enable , VT-d = Enable

Hardware: ASUS P7P55 LX
CPU: Core i3 540
RAM: 4GB
BIOS: VT-x = Enable , VT-d = Enable

CPU above supported VT-x EPT: VMX, POPCNT (from dmesg)

On both PC FreeBSD 10-RC[X], 10.0-RELEASE, 10-Stable after:

# kldload vmm.ko

PC freeze, keyboard locked
>How-To-Repeat:

>Fix:


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