Lion DP4 youtube crash

[Mandoler]

When a i click on youtube video, rarely my iMac crash. Freeze the screen, no mouse, no keyboard , just the restart work with power button. I tried it with Safari and Chrome, the results was the same.
I have 2011 mid iMac.
Anyone have this problem?

 

[ecerulm]

I'm also having this kind of crashes when loading youtube videos. More people having it too, see > http://www.product-reviews.net/2011/07/26/youtube-flash-videos-crash-and-freeze-mac-os-x-lion-10-7/