OK, so I've downloaded the 2.6.11 source and built it. I can not figure
out how to make the initrd though... make initrd doesn't seem to work
with the 2.6 kernels. (This is the first 2.6 kernel I've tried to
build). I looked for instructions via google/kernel.org but didn;t find
anything ppc related. Any ideas?
Jonathan Hartje wrote:
Bill,
Thanks for the help. I'll download the new kernel source and let
her rip. I'll keep the list updated on my results.
Jon
Bill Fink wrote:
Hi Jonathan,
On Thu Mar 24 2005, Jonathan Hartje wrote:
I have one of the new 1.66 GHz PowerBooks with YDL 4.0.1 installed.
It seems as though cpufreq isn't happy with the new chip speed. Does
anyone know how/where to insert new information to get the clock speed
up to normal. I figure a newer kernel release is probably upcoming from
TSS, so I can wait if need be. Just wondering.
You will need a new kernel. Consult the thread on linuxppc-dev at:
http://ozlabs.org/pipermail/linuxppc-dev/2005-March/018580.html
It includes a kernel patch you could try out (requires a 2.6.11 kernel).
There is also another thread dealing with sleeping and cpufreq issues at:
http://ozlabs.org/pipermail/linuxppc-dev/2005-March/018655.html
Or you could just wait as you suggested for TSS to release a new kernel.
-Bill
linuxppc-dev message from Benjamin Herrenschmidt:
--------------------------------------------------------------------------------
Subject: Newer laptops & CPU speed
From: Benjamin Herrenschmidt
Date: Mon Mar 14 13:33:42 EST 2005
Hi !
It seems the new laptops are booting with CPU set to low
speed. /proc/cpuinfo outputs the wrong fequency (thinks it's high speed)
but bogomips shows that it's running at about half speed. This patch
against 2.6.11 (will not apply on 2.6.10) adds proper cpufreq support so
that the boot speed is recognized (fixing /proc/cpuinfo output) and so
you can acutally use cpufreq interface & utilities to switch to full
speed (I recommend powernowd).
This is completely untested as I don't have access to any of those new
models yet, so I'm waiting for some feedback before submitting upstream.
Ben.
[patch deleted]
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