Lockup due to camera usage

i have been experiencing hard lockups due to camera usage such as whilst using skype or googletalk.
PC suddenly freezes and there is no other way to do anything other than holding down the power button to force shutdown. Does anyone else have this issue? How to resolve it?
Linux lenovo 3.2.9-1-ARCH #1 SMP PREEMPT Thu Mar 1 09:31:13 CET 2012 x86_64 Intel(R) Core(TM) i7-2620M CPU @ 2.70GHz GenuineIntel GNU/Linux
Thanks for your help.

Sounds like a kernel bug. You are probably best off reporting it to the developers of your webcam module.

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