I don't think you have enough tabs open.
yeah i saw that and was like wtf!
When I was on IRC while Bitcointalk was down I witnessed a conversation where someone was surprised that another person had 755 tabs open because he only had 600 something. I was like, WTF?

How do you manage that many tabs??
I never bookmark stuff, just leave the tab open forever... Chrome has a setting where all your tabs reopen when you launch it.
Plus, having a laptop with 16GB of ram helps... got 5 VMs running, no pagefile.