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Steven M. Bellovin wrote:
> 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
> 

I seeing this on my thinkpad T40 with 4.99.8 kernel,too.


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Adam Hamsik
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