Re: RH 2.4.18 vs RH 2.4.20 performance slowdown

[Stephen Smoogen <smoogen lanl gov>]

Hey Dax.. say hi to Bryan for me.. and tell him he got the 40th digit of
PI wrong.

Can you give the complete listing of the machines and I mean a COMPLETE
listing.. We had something like this with newer hardware but found that
we had two different revisions on Disk BIOS's. One set of machines were
just plain slower by 1+ rotations of the drive... (I only know this
because the guy who helped build 360's here worked out the speed
differences to being an average of 1-3 disk drive rotations if the drive
was really 7200 RPM).

On Thu, 2003-09-04 at 00:35, Dax Kelson wrote:
> We have a room full of *identical* boxes that we have run Red Hat Linux
> classes (6.x, 7.x, 8.0 and  9) on over the past 4 years. These are
> 500Mhz Intel 440BX motherboard boxes.
> 
> No problems until RHL9 came out. On about 50% of the machines (identical
> hardware remember, including BIOS settings) kernel system calls on RH
> 2.4.20 kernels run about 4x - 10x slower.
> 
> Of course with this problem the whole system runs dog slow and is
> painful to use. 
> 

-- 
Stephen John Smoogen		smoogen lanl gov
Los Alamos National Labrador  CCN-5 Sched 5/40  PH: 4-0645 (note new #)
Ta-03 SM-1498 MailStop B255 DP 10S  Los Alamos, NM 87545
-- So shines a good deed in a weary world. = Willy Wonka --