Yes, one of the ICs is bare die and light sensitive.
A dab of opaque epoxy fixes that in a hurry.

Cheers,
Robert

----------------------------------------
> Date: Thu, 19 Mar 2015 13:48:10 +1000
> From: david@audiovisualdevices.com.au
> To: piclist@mit.edu
> Subject: Re: [EE] Xenon flashes/long wave high-intensity light causes the=
 Raspberry Pi 2 SMPS chip to glitch
>
> It is the flash of light and has had coverage in various forums
> (EEVblog, etc). IIRC it's the reset chip that is the culprit.
>
> On 19/03/2015 1:38 PM, Randy Dawson wrote:
>> I don't think it is the flash thats causing the micro to glitch, but the=
 gnd/voltage spike it sees when the thyristor discharges the flash cap (a f=
ew hundred volts)
>>
>>> Date: Wed, 18 Mar 2015 23:44:04 -0300
>>> Subject: Re: [EE] Xenon flashes/long wave high-intensity light causes t=
he Raspberry Pi 2 SMPS chip to glitch
>>> From: daniel.serpell@gmail.com
>>> To: piclist@mit.edu
>>>
>>> Hi!,
>>>
>>> On Wed, Mar 18, 2015 at 11:01 PM, V G <veegee@veegee.org> wrote:
>>>> http://www.raspberrypi.org/xenon-death-flash-a-free-physics-lesson/
>>>>
>>>> Not sure if this has been posted here before, but I was looking to buy=
 one
>>>> of these today and came across this post.
>>>
>
> --
> ___________________________________________
> David Duffy Audio Visual Devices P/L
> Unit 8, 10 Hook St, Capalaba 4157 Australia
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> Our Web Site: www.audiovisualdevices.com.au
> ___________________________________________
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