Alexx Roche, this bug report is being closed due to your last comment
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/951673/comments/15
regarding this being fixed with a motherboard fan replacement. For
future reference you can manage the status of your own bugs by clicking
on the current
I've installed 2.6.32-41-generic and replaced the fan on the motherboard, and
performance has returned to normal.
I've moved the CPU back to on-demand and scaling seems to be working again.
So if someone else has an old laptop and all signs point to the CPU
playing up... it might be the fan,
I really am starting to wonder if something has broken in my hardware, (am I
the only one with this problem?) I thought that my CPU fan might be having
problems but graphing that using ipmi and munin shows that the CPU seems ok,
(though obviously the reporting could be bogus - that said just
2.6.32-41 installed and still not fixed. I've tried all of the kernels
that I have, ( 2.6.31-14 2.6.31-20 2.6.31-21 2.6.31-22 2.6.31-23
2.6.32-38 2.6.32-39 2.6.32-40 2.6.32-41) and still get, (seemingly)
random jumps down from 1.2 to 800 even though it is still set to
performance. Sometimes they
with 2.6.32-40-generic #87-Ubuntu SMP I can change /etc/init.d/ondemand
to performance and then I get the full CPU, (though it does not scale.)
I have not tried compiling my own kernel to see if this is a
debian/ubuntu issue.
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I followed the advice on http://askubuntu.com/questions/100730/how-to-
upgrade-to-glx-1-3-on-ubuntu-10-04 and ended up with a broken X11
environment, (which, to be honest, the Xorg ppl said would happen.) I
just applied last nights updates and am going for a reboot.
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At the risk of this report turning into a blog, I have an update.
Firefox has not crashed in the last four hours, (so I think that problem
is fixed.) I have been unable to determine a dependable kernel or
pattern that would enable me to boot into a working system where the
cores of my CPU are
I would be delighted to try the upstream kernel as I have finished
testing 2.6.32-38 (with the following result):
uname -r
2.6.32-38-generic
grep -i fail /var/log/boot/log
* CPUFreq Utilities: Setting ondemand CPUFreq governor... [fail]
* CPU1.
I have made no changes to the
hmm, not a great start to testing upstream. The well written document at
https://wiki.ubuntu.com/Kernel/MainlineBuilds?action=showredirect=KernelMainlineBuilds#Installing_Mainline_Kernels
did not match the archive at
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.3-rc7-precise/
When I guessed
No better:
3.3.0-030300rc7-generic
$ cpufreq-info
cpufrequtils 006: cpufreq-info (C) Dominik Brodowski 2004-2009
Report errors and bugs to cpuf...@vger.kernel.org, please.
analyzing CPU 0:
driver: acpi-cpufreq
CPUs which run at the same hardware frequency: 0 1
CPUs which need to have their
synaptic just wanted to remove the broken linux headers for the 3.3
kernel... so I let it and rebooted. Scaling still not working.
I've booted into another old kernel and for now it seems to be working, (though
in this case working means going at full power and never backing down which
is
I would update the tag, but I don't seem to have rights to edit them,
(no pencil icon for me).
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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not sure if this is relevant. I tried to set the governor by hand using
root@laptop:~# cpufreq-selector -g ondemand
the CPU dipped down to half and cpufreq-info reported ondemand for
about a second before the CPU was set back to performance.
uname -r
2.6.31-23-generic
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Firefox has been crashing on me since this update. (I found
http://askubuntu.com/questions/100730/how-to-upgrade-to-glx-1-3-on-
ubuntu-10-04 and that feels like my problem.) So I'm going to try
upgrading xserver-xorg-core to the bleeding edge. If this fixes my
problem, (because Xorg is no longer
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.3 kernel[1] (Not a kernel in the daily directory). Once you've
tested the upstream kernel, please remove the 'needs-upstream-testing'
tag(Only that
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https://bugs.launchpad.net/bugs/951673
Title:
CPU Frequency Scaling broken ?
To manage notifications about this bug go to:
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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https://bugs.launchpad.net/bugs/951673
Title:
CPU Frequency Scaling broken ?
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