[ale] Fedora 1 kernel upgrade

[Denny Chambers]

There are actually two part to the thread behavior that you want. NTPL 
is one, the other is procps. NTPL is the new thread library that was 
written for 2.6, and back ported to 2.4 by Redhat for RH 9. The thread 
to PID ratio is still 1 to 1, where one thread has 1 pid assigned to it. 
Improvements where made to procps to hide most of these PID, and only 
show the parent PID for the various application. Since you already have 
Fedora, you have a version of procps to handle your needs, you just need 
the NPTL patch for 2.4.

Here is an article from Sun that explains this behavior for Java users, 
but it applys to all user apps.

http://java.sun.com/j2se/1.4.2/1.4.2_whitepaper.html#12

Denny

Chris Fowler wrote:

>Has anyone here tried to upgrade the kernel on Fedora 1 with a stock one
>from kernel.org?  
>
>I am trying to use 2.4.26 and I believe that they have done something to
>the threading in the Fedora kernel.  when I reboot on the new kernel all
>processes that normally would execute under one PID with threads like
>mysql now have many PIDs.  Not only that but my Apache that I compiled
>under the Fedora kernel will not run.  It keeps dying for no apparent
>reason.
>
>Any clues?
>
>
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