bringing up *any* browser cripples system performance

[Matthew Bunt]

On Sunday, April 06, 2014 06:24:29 AM Robert P. J. Day wrote:
> oh, using the
> 3.15.0-0.rc0.git9.1.fc21.x86_64 kernel as well.
> 

Looks like your using the rawhide kernel. This kernel has tons of debugging 
enabled. I also experienced sluggish response and high cpu usage with this 
kernel. I would suggest this kernel if your not actively debugging: 

https://fedoraproject.org/wiki/RawhideKernelNodebug

Hope that helps, Cheers,

Matt Bunt