My thinkpad (t43p) recently overheated, after changing the fan and heatsink the
cpu scaling now works correctly.
It seems the issue was simply that the kernel decided to keep the cpu speed low
rather than running the fan to cool it down.
This bug report can be closed
** Changed in: linux (Ubuntu
As you can recreate this with a vanilla kernel, this issue would be
better handled upstream. Would you mind reporting this at
http://bugzilla.kernel.org/ , where you will be able to answer any
questions asked there?
Thanks
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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cpu sc
Changing the governor and/or forcing speeds with userspace has no effect
while on battery power:
r...@shaggy:/var/log# echo "ondemand" | sudo tee
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
ondemand
r...@shaggy:/var/log# cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
ondemand
Could you please try to see if these commands have any effect, posting
any output from them:
echo "ondemand" | sudo tee /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
echo "userspace" | sudo tee
/sys/devices/system/cpu/cpu0/cpufreq/
I just downloaded and burnt a Jaunty LiveCD and get the same behaviour -
cpu scaling seems to work ok on mains power, but on battery power it
forces the slowest speed
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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cpu scaling not working properly
https://bugs.launchpad.net/bug
Can you also recreate this from a live CD?
** Changed in: linux (Ubuntu)
Status: New => Incomplete
--
cpu scaling not working properly
https://bugs.launchpad.net/bugs/381588
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** Changed in: linux (Ubuntu)
Status: Incomplete => New
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cpu scaling not working properly
https://bugs.launchpad.net/bugs/381588
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With mainline kernel 2.6.30-020630rc7-generic I have seen my machine
force the slowst throttling even when connected to mains. Disconnecting
and reconnecting power a few times seems to make it work correctly (note
that when the power is disconnected, the scaling follows the selected
userspace setti
With the latest mainline kernel (2.6.30-020630rc7-generic) the cpu scaling
seems to work fine when connected to mains. However when running from battery
the cpu is scaled back to its slowest no matter what governor has been
selected. I wonder if there is an element of cpu thermal throttling invo
After installing a newer kernel and rebooting the cpu scaling seemed to work -
surprisingly dpkg didn't update grub so I was actually still booting the
following kernel
Linux shaggy 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 i686
GNU/Linux
There must be something else related
Could you please try with the latest mainline kernel (instructions at
https://wiki.ubuntu.com/KernelMainlineBuilds) to see if the issue exists
upstream?
Thanks
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: New => Incomplete
--
cpu
Seems stronly related to #88899 - not sure if it is actually a duplicate
though as I have tried a cold boot connected to mains and the cpu stayed
locked at the lowest value of 800mhz
--
cpu scaling not working properly
https://bugs.launchpad.net/bugs/381588
You received this bug notification beca
Contents of other files in /sys/devices/system/cpu/cpu0/cpufreq:
affected_cpus
0
cpuinfo_cur_freq
80
cpuinfo_max_freq
2133000
cpuinfo_min_freq
80
related_cpus
0
scaling_available_frequencies
2133000 1866000 160 1333000 1066000 80
scaling_available_governors
conservative ondemand use
# uname -a
Linux shaggy 2.6.28-11-generic #42-Ubuntu SMP Fri Apr 17 01:57:59 UTC 2009 i686
GNU/Linux
** Attachment added: "dmesg.log"
http://launchpadlibrarian.net/27265060/dmesg.log
--
cpu scaling not working properly
https://bugs.launchpad.net/bugs/381588
You received this bug notificatio
** Attachment added: "lspci-vvnn.log"
http://launchpadlibrarian.net/27265063/lspci-vvnn.log
** Changed in: linux (Ubuntu)
Status: Incomplete => New
--
cpu scaling not working properly
https://bugs.launchpad.net/bugs/381588
You received this bug notification because you are a member of
Thank you for taking the time to report this bug and helping to make
Ubuntu better. Unfortunately we can't fix it without more information.
Please include the following additional information, if you have not already
done so (pay attention to lspci's additional options), as required by the
Ubunt
That's not a gnome-power-manager issue, as that has nothing to do with
CPU scaling for some time. Re-assigning it to the kernel for now, as
it's likely a kernel issue if the frequency doesn't respond when you
change the governor.
** Package changed: gnome-power-manager (Ubuntu) => linux (Ubuntu)
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/27263919/Dependencies.txt
--
cpu scaling not working properly
https://bugs.launchpad.net/bugs/381588
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