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bbfa235
(Get the code!)
I used the ubuntu kernel source for 2.6.20, and built a kernel for LTSP-4.2. I modified the .config extensively, turning off an awful lot of stuff that a thin client doesn't need. I probably turned off too much stuff, but it's enough to prove that the 2.6.20 will boot with ltsp-4.2 AND, it boots fast.
The interesting thing to look at is around line 96 (13.942148 secs) where the initramfs is unpacked. In the kernel supplied with Ubuntu/LTSP-5, that event doesn't happen until 49 seconds into the boot. You can see that in the syslog that I attached earlier.
So, why does my ltsp-4.2 kernel get to that point 36 seconds faster?
Is there some settings in the ubuntu kernel config that the SiS CPU doesn't like?
Next thing I want to try is building a kernel for Ubuntu/LTSP-5 using my .config file, to see how well it performs.
And certainly, more comparison between the 2 syslog files is required.