Maybe I'm the only one, but I don't see any unresponsiveness.
I'm running 4.99.8 from Jan 18th, but i didn't noticed anything before.
To be honest, everything works extremely satisfying and stable.

Zafer.


2007/1/21, Steven M. Bellovin <smb@cs.columbia.edu>:
> I recently upgraded my kernel to one from January 8 (and then to one
> from today).  Before that, I'd been running a mid-December -current.
>
> Interactive performance on my Thinkpad T42 has become completely
> unacceptable.  Something else -- I have no idea what -- occasionally
> grabs the CPU.  Moving the mouse shows jerky cursor motion, I get
> doubled input characters, etc.  ps and top show that the machine is
> mostly idle, though xosview sometimes shows brief spurts of 100% busy.
> It isn't swapping (it's got 2G of RAM), the interrupt load doesn't seem
> high (about 1.4-1.6K/sec, with HZ set to 1000), etc.
>
> Is anyone else seeing this?  Anything I should do to tune it?  Might
> the new scheduler code be part of it?
>
>
>                 --Steve Bellovin, http://www.cs.columbia.edu/~smb
>