A post in the upstream report has given the hint for the application
cpufreq-aperf for measuring the cpu frequency. Here are the results:
root@ubuntu:~# taskset -c 0 sh -c ./test.py sleep 1 cpufreq-aperf --once
echo -- cat /proc/cpuinfo | grep MHz pkill ^test.py$
CPU Average
Here is a little update on Ubuntu 14.04 dev with linux-image-generic
3.12.0.2.4:
sworddragon@ubuntu:~/data$ cpupower frequency-info echo --
taskset -c 0 sh -c ./threads.py sleep 1 cpupower -c all frequency-info |
grep 'current CPU frequency' echo -- cat /proc/cpuinfo |
** Tags added: trusty
** Tags added: bios-outdated-1.40
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Title:
Turbo Core doesn't work on an AMD Phenom II X6 1045T
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Sworddragon, as per
http://www.asrock.com/mb/AMD/960GMU3S3%20FX/?cat=Downloados=BIOS an
update is available for your BIOS (1.40). If you update to this
following https://help.ubuntu.com/community/BiosUpdate , does it change
anything?
If not, could you please both specify what happened, and
My previous test was already made after I have upgraded my BIOS to
version 1.40:
sworddragon@ubuntu:~$ sudo dmidecode -s bios-version sudo dmidecode -s
bios-release-date
P1.40
10/02/2013
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
** Tags removed: bios-outdated-1.40
** Tags added: latest-bios-1.40
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=51681
Importance: Unknown
Status: Unknown
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Also on my system:
$ uname -a
Linux MAXX-X6 3.5.0-26-generic #42-Ubuntu SMP Fri Mar 8 23:18:20 UTC 2013
x86_64 x86_64 x86_64 GNU/Linux
$ dmesg | grep powernow
[2.098891] powernow-k8: Found 1 AMD Phenom(tm) II X6 1045T Processor (6 cpu
cores) (version 2.20.00)
[2.098909] powernow-k8:
I found some info on this.
To fix this issue you should use acpi_cpufreq cpu driver instead of
powernow-* for AMD K10+ (Phenom II, Athlon II, FX CPUs).
acpi_cpufreq supports TurboCore, but powernow-* seems not.
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Unless AMD recently changed their implementation, I think you're looking at the
wrong information.
Boost states are not exposed as P-States to the OS, they are transparently used
by the firmware if
1) the OS has selected P0
2) certain constraints are met (think thermal/power/# of idle cores/...)
This is for powernow:
$ cpupower frequency-info
analyzing CPU 0:
driver: powernow-k8
CPUs which run at the same hardware frequency: 0
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: 8.0 us.
hardware limits: 800 MHz - 2.70 GHz
available
I'm noticing this issue with acpi-cpufreq too. In which package is the
command cpupower? Also can you test if the system is really switching to
3200 MHz on high cpu load? Just get only one core to use 100% of cpu
power and post the output of cat /proc/cpuinfo | grep MHz here.
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cpupower for ubuntu is in this ppa:
https://launchpad.net/~kamalmostafa/+archive/cpupower.
Also can you test if the system is really switching to 3200 MHz on high cpu
load?
Just get only one core to use 100% of cpu power and post the output
of cat /proc/cpuinfo | grep MHz here.
I ran this
I have figured out that /sys/devices/system/cpu/cpu0/cpufreq is showing
me the value 270. After this I have made a look in the BIOS again:
- Processor Speed is 2700 MHz
- Processor Maximum Frequency is 3200 MHz
- AMD Turbo Core is activated
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I have figured out that /sys/devices/system/cpu/cpu0/cpufreq/bios_limit
is showing me the value 270. After this I have made a look in the
BIOS again:
- Processor Speed is 2700 MHz
- Processor Maximum Frequency is 3200 MHz
- AMD Turbo Core is activated
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If it matters, my system also suffers from this problem.
Also, is this a duplicate of #877877
$ uname -a
Linux haggis 3.5.0-24-generic #37~precise1-Ubuntu SMP Thu Feb 7 22:09:59 UTC
2013 x86_64 x86_64 x86_64 GNU/Linux
$ dmesg | grep powernow
[1.298179] powernow-k8: Found 1 AMD FX(tm)-6100
Ken Phillis Jr, this is not considered a general problem, as it is
hardware dependent.
More precisely it is driver dependent because all Turbo Core cpu's seems
to be affected. I don't even think opening more duplicates will help in
this case (this report is more or less a duplicate too).
I can confirm that this is a general problem. I have an AMD a6-3400m
processor. The base max speed for this cpu is 1.4ghz, and with
turbocore active the max speed should be 2.3ghz... This means that even
under the heaviest load, the max speed reported is 900mhz less than what
should be reported.
Ken Phillis Jr, this is not considered a general problem, as it is hardware
dependent. Despite this, if you have a bug in Ubuntu, could you please file a
new report by executing the following in a terminal:
ubuntu-bug linux
For more on this, please see the Ubuntu Kernel team article:
** Tags added: lucid
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Title:
Turbo Core doesn't work on an AMD Phenom II X6 1045T
To manage notifications about this bug go to:
** Tags removed: kernel-bug-exists-upstream
** Tags added: needs-upstream-testing
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Title:
Turbo Core doesn't work on an AMD Phenom II X6 1045T
Sworddragon, thank you for testing the newest mainline kernel. For
regression testing purposes, could you please test for this in Lucid via
http://releases.ubuntu.com/lucid/ ?
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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** Tags removed: kernel-unable-to-test-upstream-v3.7-rc2 needs-upstream-testing
** Tags added: kernel-bug-exists-upstream kernel-bug-exists-upstream-v3.8-rc4
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I have now tested Ubuntu 10.04 LTS and the bug exists there too.
/proc/cpuinfo shows only 2700 MHz instead of 3200 MHz if only one core
is fully used.
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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The bug still exists in the Linux kernel 3.8 RC4.
** Changed in: linux (Ubuntu)
Status: Incomplete = New
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Title:
Turbo Core doesn't work
Sworddragon, could you please test http://kernel.ubuntu.com/~kernel-
ppa/mainline/v3.8-rc1-raring/ ?
** Changed in: linux (Ubuntu)
Status: Confirmed = Incomplete
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I have now opened an upstream ticket:
https://bugzilla.kernel.org/show_bug.cgi?id=51681
** Bug watch added: Linux Kernel Bug Tracker #51681
http://bugzilla.kernel.org/show_bug.cgi?id=51681
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I wanted to open an upstream bug and checked if the informations are
still valid. But I got some new output:
sworddragon@ubuntu:~$ dmesg | grep powernow
[1.295308] powernow-k8: this CPU is not supported anymore, using
acpi-cpufreq instead.
What does this message mean?
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I have tested this now with linux-image-3.7.0-0-generic and the bug
exists there too.
** Tags removed: kernel-unable-to-test-upstream-v3.7 needs-upstream-
testing
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Sworddragon, thank you for testing linux-image-3.7.0-0-generic. Just to
clarify, would this be a Raring Ubuntu kernel noted in
https://launchpad.net/ubuntu/raring/+source/linux or the newest mainline
kernel http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.7-rc5-raring/ ?
** Changed in: linux
I'm now a little confused. It is the kernel in the official Raring
Ringtail repository.
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Title:
Turbo Core doesn't work on an AMD Phenom II X6
Sworddragon, thank you for the clarification and I apologize for the
confusion. The official Raring Ringtail repository kernel is not the
mainline upstream kernel, as Ubuntu repository kernels may carry patches
not found in the mainline upstream release.
I'll restore the appropriate tags due to
I have tested this now even with the kernel from Oneiric Ocelot
(3.0.0-26-generic) and the bug exists there too.
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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** Tags added: oneiric
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Title:
Turbo Core doesn't work on an AMD Phenom II X6 1045T
To manage notifications about this bug go to:
Sworddragon, thank you for providing the apport-collect. Did this issue
not occur in a release prior to Precise?
** Tags removed: kernel-unable-to-test-upstream-v3.7-rc2-raring
** Tags added: bot-stop-nagging kernel-unable-to-test-upstream-v3.7
** Changed in: linux (Ubuntu)
Status:
** Tags removed: needs-kernel-logs
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Title:
Turbo Core doesn't work on an AMD Phenom II X6 1045T
To manage notifications about this bug go to:
Did this problem not occur in a release prior to Quantal?
This is a new processor which I have never used with a version prior to
Raring Ringtail.
As well, could you please boot into a live environment of Precise via
http://releases.ubuntu.com/ and execute the following in a terminal:
Sworddragon, regarding your comments
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1071434/comments/7 :
Did this problem not occur in a release prior to Quantal? This is a new
processor which I have never used with a version prior to Raring Ringtail.
Ok.
? As well, could you please
apport information
** Tags added: apport-collected
** Description changed:
I'm using Ubuntu 12.10 (64 bit) and my AMD Phenom II X6 1045T doesn't
boost from 2.7 GHz to 3.2 GHz if a core is using 100% of cpu time.
sworddragon@ubuntu:~$ uname -a
Linux ubuntu 3.5.0-17-generic #28-Ubuntu
I have now tried to fix this apport problem. I got a python error about
a missing module. Installing python-gi fixed the problem (but I still
get some python errors). In the end I had to install apport, python-
apport, python-launchpadlib and python-gi. I hope there is now nothing
missing.
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** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
Turbo Core doesn't work on an AMD Phenom II X6 1045T
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** Tags added: apport-collected
** Description changed:
I'm using Ubuntu 13.04 dev (64 bit) and my AMD Phenom II X6 1045T
doesn't boost from 2.7 GHz to 3.2 GHz.
sworddragon@ubuntu:~$ uname -a
Linux ubuntu 3.5.0-17-generic #28-Ubuntu SMP Tue Oct 9 19:31:23 UTC 2012
x86_64 x86_64
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.7 kernel[0] (Not a kernel in the daily directory) and install both
the linux-image and linux-image-extra .deb packages.
Once you've tested the
** Tags removed: apport-collected
** Tags added: needs-kernel-logs
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Title:
Turbo Core doesn't work on an AMD Phenom II X6 1045T
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I have installed the Linux kernel 3.7 from the archive and the system
will boot but the screen is all the time black. Additionally I will
attach the /var/log/kern.log from the 3.5 kernel.
** Changed in: linux (Ubuntu)
Status: Incomplete = New
** Tags removed: needs-kernel-logs
** Changed in: linux (Ubuntu)
Status: Incomplete = New
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Title:
Turbo Core doesn't work on an AMD Phenom II X6 1045T
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** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
Turbo Core doesn't work on an AMD Phenom II X6 1045T
To manage
Sworddragon, thank you for attempting to test the mainline kernel.
Did this problem not occur in a release prior to Quantal?
As well, could you please boot into a live environment of Precise via
http://releases.ubuntu.com/ and execute the following in a terminal:
apport-collect 1071434
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