kern/176362: Graphics screen comes back blank after switching to the text terminal on Intel Mobile 945GME chipset

[Yuri]

>Number:         176362
>Category:       kern
>Synopsis:       Graphics screen comes back blank after switching to the text terminal on Intel Mobile 945GME chipset
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Feb 22 21:00:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator:     Yuri
>Release:        9.1
>Organization:
n/a
>Environment:
>Description:
Graphics starts fine, but if I switch to text terminal (Ctrl-Alt F1) and back (Alt-F9) graphics comes back blank. After I kill and restart xorg its starts up fine again.

Relevant xorg.conf portion:
Section "Device"
	Identifier  "Card0"
	Driver      "intel"
	VendorName  "Intel Corporation"
	BoardName   "Mobile 945GME Express Integrated Graphics Controller"
	BusID       "PCI:0:2:0"
EndSection

Relevant Xorg.0.log portion:
<...skipped...>
(II) Loading /usr/local/lib/xorg/modules//drivers/intel_drv.so
<...skipped...>
(II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
	i810-dc100, i810e, i815, i830M, 845G, 852GM/855GM, 865G, 915G,
	E7221 (i915), 915GM, 945G, 945GM, 945GME, IGD_GM, IGD_G, 965G, G35,
	965Q, 946GZ, 965GM, 965GME/GLE, G33, Q35, Q33,
	Mobile Intel® GM45 Express Chipset,
	Intel Integrated Graphics Device, G45/G43, Q45/Q43, G41
(II) Primary Device is: PCI 00 at 00:02:0
<...skipped...>

Hardware: Lenovo S10-2 netbook, Intel Atom CPU
OS: FreeBSD-9.0

I first reported this to XOrg, but they claim that this is FreeBSD kernel bug:
https://bugs.freedesktop.org/show_bug.cgi?id=27864
>How-To-Repeat:

>Fix:
n/a

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