Pete,
Please open a new bug for your issue. Closing this bug as it originated in
2007.
~JFo
** Changed in: linux (Ubuntu)
Status: New => Invalid
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Sorry: Last post got scrambled somehow, but I think you can tell what's
going on.
I just noticed some other interesting information: It doesn't effect
all CPU cores at the same point. Currently my system is in a state
where cpufreq/scaling_max_freq = 1.6 GHz for CPU 0 and CPU1, but CPU2
and CPU
Re-opening since I have the same issues with 10.04 LTS 2.6.32-26-generic
#48-Ubuntu SMP Wed Nov 24 10:14:11 UTC 2010 x86_64 GNU/Linux
and other users have stated they have it with 10.10. cat
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies
2535000 2534000 160
cat /sys/devic
I still have this problem on Kubuntu 10.10.
After a while the clock gets stuck to 800Mhz; no way to change it.
Sometimes it recovers for a while, then after a while it gets again
stuck at 800 Mhz (the minimum).
My pc is a Dell XPS 1330.
Regards,
Giovanni
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http
This bug report was marked as Incomplete and has not had any updated
comments for quite some time. As a result this bug is being closed.
Please reopen if this is still an issue in the current Ubuntu release
http://www.ubuntu.com/getubuntu/download . Also, please be sure to
provide any requested in
** Changed in: linux (Ubuntu)
Assignee: Andy Whitcroft (apw) => (unassigned)
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** Tags added: kernel-reviewed
** Tags removed: kernel-needs-review
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** Changed in: linux-source-2.6.20 (Ubuntu)
Assignee: Kyle McMartin (kyle) => (unassigned)
** Tags added: kernel-needs-review kernel-therm
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Bugs, whi
I've commented on a similar bug to this for the Thinkpad T43
(bug#519142), but it seems this is a more general problem.
After some more debugging I've also discovered that my throttling issue
is heat-related. For whatever reason, it seems my max cpu speed gets
locked at 800mhz when my CPU goes abo
I see this on my dell latitude e6400 after I upgraded to lucid. Didn't
have this problem in karmic. Once for some reason if then fan comes on,
the cpu max freq is stuck at 800Mhz and the fan doesn't switch off.
Lucid is very frustrating for an LTS release, a bunch of things that
were working in kar
Problem persists in Lucid 10.04Alpha1 (2.6.312-10) as in all releases
after acpi-cpufreq was compiled in rather than left as a module. I
cannot detect what is triggering the cpufreq governor to suddenly be set
to that "between minimum and minimum," according to cpufreq-info. That
it happens after a
I confirm this bug in Jaunty 9.04. I had the same with Hardy 8.04 but
the problem was less frequent. I have a latitude d830 since march 2008.
That time, I used a debian and all was ok. I installed 8.04 after some
months and all was ok. Every while and then, I upgraded the bios up to
release A14 and
It has been a long time since anyone commented on this bug. This might
indicate the issue is no longer present on releases you are running. Can
you confirm this issue exists with the most recent Jaunty Jackalope 9.04
release - http://www.ubuntu.com/news/ubuntu-9.04-desktop . Please let
us know you
This is happening on my Lenovo W500. After some time (potentially heat
related) the cpufreq drops to 800 Mhz and just gets stuck there.
Changing the frequency and the governor have no effect.
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I solved the problem, it was heat related - when my laptop is in quiet
mode the clock speed gets capped. There is a longer explanation for this
but its not relevant :) Bug averted?
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Do you mean a command for instance
$ sudo cpufreq-selector -f 2201000
because this command seems to have no effect.
By boot I assume you mean before I log and I have no idea how to do
that, I have never compiled the kernel myself before
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Apathy wrote:
> I tried cold boot this morning and the CPU speeds were immediately
> locked, the cpuinfo_max_freq does not match the scaling_max_frequency.
>
> I don't really every move my laptop around much so being able to control
> the cpu speed is not really important to me - I'll rather invest
I tried cold boot this morning and the CPU speeds were immediately
locked, the cpuinfo_max_freq does not match the scaling_max_frequency.
I don't really every move my laptop around much so being able to control
the cpu speed is not really important to me - I'll rather investigate
disabling the gov
Apathy wrote:
> I only discovered this problem today and this may be a stupid question
> but does the CPU frequency monitor create this problem or uncover it -
> having my processing power less than halved constantly is far from
> ideal.
>
> I will post the results of a cold boot tomorrow.
>
>
O
Latest version of Intrepid Ibex, kernel version 2.6.27-7. same "bug"
reported - chipset Intel 965PM+ICH-M, T7500 2.20Ghz Intel Core 2 duo
processor capped within 2 minutes of start up on warm boot. Processor
capped to 800Mhz, governors can be changed but this has no effect on CPU
clock speed.
Must
The Ubuntu Kernel Team is planning to move to the 2.6.27 kernel for the
upcoming Intrepid Ibex 8.10 release. As a result, the kernel team would
appreciate it if you could please test this newer 2.6.27 Ubuntu kernel.
There are one of two ways you should be able to test:
1) If you are comfortable
On Wed, 2007-12-26 at 09:58 +, Gabriel Ambuehl wrote:
> I agree, I have seen this on a Lenovo T60 myself. And it also occurs on my
> Latitude D830. For the most part, I can fix it by removing acpi_cpufreq and
> reloading it, but at times the module is in use and thus cannot be removed.
>
>
I agree, I have seen this on a Lenovo T60 myself. And it also occurs on my
Latitude D830. For the most part, I can fix it by removing acpi_cpufreq and
reloading it, but at times the module is in use and thus cannot be removed.
I think this is a kernel bug of some sort, as it occurs in vanilla ke
NO! This bug MUST NOT be closed, because it has nothing to do with Dell.
Bunch of people including myself have reported issues with Lenovo
laptops as well. And no, it should not be related to BIOS since a simple
reboot fixes the problem.
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Kyle and Rob:
I think this bug should be marked closed, as it appears to be a BIOS-
dependent setting particular to the Dell X1 as per the original post.
Other posters on this thread reporting similar behavior seem to be
duplicates of other cpufreq bugs...not sure what the bug policy on this
is,
Rob:
I finally got a chance to do some hunting on the internet for a solution
to this problem. The problem appears to be rooted in unsettable BIOS
thermal tables. Downgrading to BIOS A02 appears to solve the problem,
but as I run dual-screen I don't think I'll be doing this (the A02 has
earlier
On Sun, 2007-11-25 at 21:39 +, lunomad wrote:
>
>
> So. I have identified two problems:
> 1. Thermal Threshold is set too low (this computer should run up to
> 70C (as it used to do under Feisty, kernel 2.6.16).
> 2. Hysteresis (that is, Delta-Temp) is set too wide...should be
> reduced to
(Follow-up from previous comment)
I've done a closer study of my Dell X1 and as far as the Dell X1 is
concerned (and may be true for others as well), this issue is definitely
related to cpu heat. The X1 is an underpowered (1100MHz) Pentium M with
purely passive cooling (no fan), so heat is a cri
I too have the same system and same bug as the original post: Dell Latitude X1
notebook.
This problem began for me when I upgraded from Feisty to Gutsy.
My kernel is: 2.6.22-14-generic
I scanned through Related Bugs:
Bug #93404
Bug #67341
Bug #132271
all have similar problems, but can't find
Why is this bug still set to 'incomplete'?
There is lots of data in this report.
If you need more, please specify.
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I have the same, using
I noticed a mis-match between scaling_max_freq and cpuinfo_max_freq
Even when switching to perfomance governor, it is stuck at 800MHz
[EMAIL PROTECTED]:/sys/devices/system/cpu/cpu0/cpufreq# cat cpuinfo_max_freq
160
[EMAIL PROTECTED]:/sys/devices/system/cpu/cpu0/cpufreq
Just to clarify, I can reduce the speed of the CPU, I cannot however
increase above 1GHz
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This occurs on my Thinkpad x31 Pentium-M 1.6GHz
After a hibernate resume cycle, the processor will not go above 1GHz.
The option to go above 1GHz is still shown but doesn't work. After a
reboot or a cold boot everything works as it should (i.e. upto 1.6GHz)
[EMAIL PROTECTED]:~$ cat /proc/cpuinfo
I have the same problem here on kernel 2.6.20-16-generic.
/proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : Intel(R) Pentium(R) M processor 1.73GHz
stepping: 8
cpu MHz : 798.000
cache size : 2048 KB
fdi
Same problem here on a 2.6.18-vserver on a Dell 9400 dual core.
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I stand corrected, it just happened to me on a 2.6.21.1 kernel, too.
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This issue persists on 2.6.20-16, even without any suspends in between,
my frequency just got locked to 1Ghz on my Thinkpad T60.
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I just tried linux 2.6.21.1 (as from kernel.org, no custom patches) on
my Thinkpad T60 and after a short suspend to RAM, my CPU still is able
to scale!
However, when you build this kernel, you won't have Ubuntu's restricted
modules so the ipw3945 won't work out of the box, for example.
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cpufre
I think I just managed to trigger this without suspending etc.
I cold-booting, had the full spectrum of frequencies, decided to run the
tpfancontrol script (which overrides the inbuilt fan control logic) and
the cpufreq spectrum got locked between 1Ghz and 1Ghz:
current policy: frequency should
Same problem as Jose on a Sony Vaio VGN-SZ3XWPC, this is the same
processor as Jose I believe.
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I have the same problem in a Dell 640m with a Core 2 Duo 2GHz. After
resuming from suspend, one of the cores is locked at 1GHz, always the
one labeled CPU1. I have tried to use cpufreq-selector to force other
governors (it is in ondemand) but then something weird happens: when I
use it either with
After a warm reboot (and using Windows Vista in between), I now have the full
range again:
current policy: frequency should be within 1000 MHz and 2.00 GHz.
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This seems to happeon on my Thinkpad T60 (Core 2 Duo 2 Ghz) too:
sudo cpufreq-info
cpufrequtils 002: cpufreq-info (C) Dominik Brodowski 2004-2006
Report errors and bugs to [EMAIL PROTECTED], please.
analyzing CPU 0:
driver: acpi-cpufreq
CPUs which need to switch frequency at the same time: 0 1
more data: overnight, without me suspending or hibernating, its gotten
locked into slow-mode.
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I've done some testing, it seems to be broken only if I have booted up
from cold without power. If I boot with power it its all good. If I
hibernate when its broken, plugin power in and resume, then its broken
until I unplug power, at which point it comes good.
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foo
** Attachment added: "dsdt"
http://librarian.launchpad.net/6718907/dsdt
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its playing up right now: I have power attached FWIW.
scaling_setspeed is still non-existant
for fname in scaling_driver scaling_governor scaling_min_freq scaling_max_freq
scaling_available_governors scaling_available_frequencies; do echo file $fname;
cat $fname; done
file scaling_driver
acpi-cp
On Wed, 2007-03-07 at 19:10 +, Kyle McMartin wrote:
> Can you paste the output from the following files in
> /sys/devices/system/cpu/cpu0/cpufreq/
> scaling_setspeed
This doesn't' exist. The rest are below.
Right this instant its working correctly, but it was locked in slow
again last night -
Can you paste the output from the following files in
/sys/devices/system/cpu/cpu0/cpufreq/
scaling_driver
scaling_governor
scaling_(min|max)_freq
scaling_setspeed
scaling_available_governors
scaling_available_frequencies
Thanks!
Kyle
** Changed in: linux-source-2.6.20 (Ubuntu)
Assignee: (
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