Just a reference for people searching for my laptop model (Ahtec Signal
X-9600, Quanta Z500N series, Quanta ZW9):
After years of hesitation -I didn't want to brick my laptop with an
incorrect BIOS!- I updated it to version Q3B21 (mine was Q3A12)
I found the BIOS update at:
@broesch
well... here it is:
http://s2.enemy.org/~zaunmayc/speedstep8.04.html
the howto is for an amilo m1420 with a intel Pentium M 715 (dothan) cpu.
if you don't have exactly the same hardware the howto could at least
inspire you to fix you problem.
sry that you had to wait so long for my
@broesch: i assume that your DSDT or SSDT lists just those two frequencies.
in ubuntu feisty the information for the speed-stepping was included in the
kernel (speedstep-centrino.ko) but now speedstepping is done by the module
acpi-cpufreq and this module does not provide the info for
@Zaunmayrchris Thanks alot, I'll be waiting for that howto
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I have the same problem only two steps (maximum and minimum) with a
Dothan CPU. I tried a feisty live cd and it worked, all 7 steps, on
gutsy and hardy only two are working. Is there anything that might be
done to fix this?
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I notice this fix hasn't be pushed upstream, perhaps it should be.
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I already tried to talk upstream into it but they would not agree. They
consider this is a bug of our BIOSes and not in the kernel. Also,
speedstep-centrino is deprecated in the kernel and will probably
disappear in the future (If I understood correctly).
--
[GUTSY] cpu freq scaling not working
Hi
Lot of time have passed by since this thread was started and I have
still no fix for this bug. After kernel 2.6.15 my cpu scaling stopped
working.
[EMAIL PROTECTED]:~$ cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name
i also need this for a dothan cpu.
with the acpi-cpufreq i have just 2 speedsteps (600mhz and 1.5ghz) and
therefore i hear my noisy cpu-fan the whole day :-(
my cpuinfo:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : Intel(R)
This bug was fixed in the package linux - 2.6.24-8.14
---
linux (2.6.24-8.14) hardy; urgency=low
[cking]
* Support Novatel U727 EVDO modem: Add pid and vid to
drivers/usb/serial/airprime.c
- LP: #150996
* Enable speedstep for sonoma processors.
- LP: #132271
This bug was fixed in the package linux - 2.6.24-8.14
...
* Enable speedstep for sonoma processors.
- LP: #132271
Could you fix it for dothan too? I too have had a regression from feisty
to gutsy. My cpuinfo says:
processor : 0
vendor_id : GenuineIntel
cpu family : 6
** Changed in: linux (Ubuntu)
Assignee: Ubuntu Kernel Team (ubuntu-kernel-team) = Colin King
(colin-king)
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I was able to solve my broken ACPI tables by decompiling and fixing the
DSDT.
The frequency field for the 600 MHz state was 0, hence the line in dmesg:
ACPI: Invalid _PSS data: freq is zero
I set it to 600, compiled it again and added it to the initrd. Now I can use
acpi-cpufreq to scale the cpu
** Changed in: linux (Ubuntu)
Status: Triaged = In Progress
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Added to Ubuntu Hardy development kernel tree (2.6.24)
** Changed in: linux (Ubuntu)
Status: In Progress = Fix Committed
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** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
Assignee: (unassigned) = Ubuntu Kernel Team (ubuntu-kernel-team)
Status: Incomplete = Triaged
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Hi Wolfgang,
Thanks for the feedback. May I ask where you got the patch from? And
do you know if there have been any efforts to get it submitted and
accepted into the mainline kernel? It is a lot of extra work for the
Ubuntu kernel team to maintain out of tree patches. As such they require
Hello Leann,
sroll up - its the same patch Christophe Dumez supplied on 2007-10-13, simply
re-arranged a bit and using a context-diff (so beginners can apply it also to
future kernels more easy).
As I am not involved in development I have no idea where to submit this to get
it included into
I just used the patch supplied above to patch a vanilla 2.6.24 kernel -
works like a charm (I had to apply the patch manually as some things
have changed a bit).
** Attachment added: Patch to enable speedstep for sonoma processors for
kernel 2.6.24
Hi, I'm trying the Hardy Heron LiveCD now. The problem is still the same,
Pentium M 1.6 GHz stuck at 1600 and it won't go down. Same problem in
Windows, so in my case it is a BIOS bug of the laptop, a Quanta ZW9 (Ahtec
X-9600M).
I tried this too:
[EMAIL PROTECTED]:~$ sudo modprobe
Hardy Heron Alpha2 was recently released. It contains an updated
version of the kernel. You can download and try the new Hardy Heron
Alpha2 release from http://cdimage.ubuntu.com/releases/hardy/alpha-2/ .
You should be able to then test the new kernel via the LiveCD. If you
can, please verify
I would certainly hope so. In my bios there is no option to
enable/disable cpu frequency scaling. That could solve the issue I've
read on different places. My only option is to have it enabled in the
CPU, hence I'm stuck with a 2.6.20 kernel.
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[GUTSY] cpu freq scaling not working anymore
update: I've just tested and for fujitsu-siemens Amilo M1424 bios
version 1.03 you can select load optimal defaults. For me that fixed
to get frequency scaling working with 2.6.22-14-generic. I don't know
what novelties 2.6.22 brings over 2.6.20 but I'm glad I'm not stuck
anymore.
--
[GUTSY]
This will be retargeted towards the Hardy kernel once it is released.
I've tagged this as hardy-kernel-candidate so that we make sure to
retarget this report once the new release is out. However against the
linux-source-2.6.22 package this is being marked as Won't Fix as it
does not meet the
Same problem here with Lenovo 3000 Y200 (6469-22R), with Insyde´s BIOS
(12/06/05) and gutsy kernel 2.6.22-14-generic as well as with vanilla
2.6.23.8 with linux-phc. Stuck at 600 and 800Mhz with acpi-cpufreq.
Without it able to run at full speed. Unfortunately the tables have been
removed from the
I have intel dual core E6600 and i read also
https://bugs.launchpad.net/ubuntu/+source/powernowd/+bug/124618
but the problem persisting:
* Starting powernowd... /etc/init.d/powernowd: 156: cannot create
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor: Directory nonexistent
* CPU
i resolved setting BIOS with speedstep from CPU setting...
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I have a 1.83 GHz T2400 Core Duo with 2GB in my Inspiron 9400. I do a
lot of math intensive simulation that run for hours. I was running
Windows and hit the memory limitation (could only access 1 GB for the
application) so switched to Ubuntu. In Ubuntu, the application could
access 1.7 GB, but
I think problem is really important. In windows you can easily fix bad
scaling behaviour by using special software. This is not the case in
linux. You have to have patched kernel. I thing ubuntu should fix this
problem. I'm not sure if this is problem just for few notebooks. Many
people could
How many notebooks does this problem affect? 50? 100? 10,000? Now
express that as a percentage of the total users of Ubuntu. That should
give you a rough idea of how much time should be allocated to this.
Should Ubuntu also ship older versions of X, for those old laptops that
can't handle the
I am not a kernel developer per se, but I am a developer nonetheless,
and I have done a bit of kernel debugging back in the early days of 2.6.
I think some people are overlooking the feasibility of continuing to
support speedstep_centrino once it has been officially removed from the
kernel. This
Hey guys, wake up!
The prejudice that Linux is still not supporting much hardware, remains
stubbornly. And you want to help keeping it current? No good idea, I
think.
Support for Laptops is often bad. People owning such a notebook are
being excluded from freq scaling then.
I had luck and a BIOS
I have the same problem. After upgrading to Gutsy, speedstep doesn't
work. Pentium M 725 is stuck at 1600MHz.
I tried this:
# modprobe speedstep-centrino
FATAL: Error inserting speedstep_centrino
(/lib/modules/2.6.22-14-generic/kernel/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.ko):
No
@samnmax: As I have already said, the bug does not lie within the kernel
- you have a buggy ACPI BIOS. This is why you require NHC or similar in
Windows. If your ACPI BIOS was correct, then frequency scaling would be
working for you in both Linux and Windows.
speedstep_centrino is DEPRECATED. It
@Daniel Swarbrick: If for some reason you are unable to get a BIOS update to
correct your buggy ACPI
To my experience this is the most common case, well supported BIOSes with
working ACPI tables the exception. So unless Ubuntu gave up on Bug #1, the
suggestion to use a custom patched kernel is
The problem with continuing to patch for this issue, is that the patch
is going to become rather more elaborate when speedstep_centrino is
fully removed from the kernel. Up until now, it has simply been a matter
of adding frequencing/voltage pair tables to the existing
speedstep_centrino. However,
Well, even if the kernel guys are very smart guys, they do idiotic
things from time to time. So I'd expect Ubuntu's kernel guys to bring in
their weight and tell the upstream guy what stupid thing they are doing
entirely depending on something as broken as ACPI.
Well, alternatively someone could
I'm guessing from your reply that you have not visited
bugzilla.kernel.org and read the background of the problem.
I'll point you in the right direction. There are more that just one
upstream guys doing stupid things, but you might want to start with
Len Brown, who also works at Intel, so he has
Did find any related bug at the kernel's bugzilla. Created my own
http://bugzilla.kernel.org/show_bug.cgi?id=9353
What's the matter, have you never compiled a kernel before? No time like the
present to learn how.
The matter is that I've compiled too many kernels (since '98) and that I am
sick
Maybe you only searched open bugs.
http://bugzilla.kernel.org/show_bug.cgi?id=8228
http://bugzilla.kernel.org/show_bug.cgi?id=8245
These bugs are closed/rejected/dupe because of the fact that the fault
does not lie with the kernel.
Good luck with this.
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[GUTSY] cpu freq scaling not working
Daniel: Thanks alot. Guess the kernel guys were very wrong with assume
the fualt does not lie with the kernel. If you have to patch the BIOS
of a large number of notebooks to make them work with Linux. In my
opionion clearly Linux is borken, when it directly uses the ACPI
specification for
Same problem here: i've got an Athlon 64 3200+, but no freq scaling
anymore (worked until upgraded to gutsy), nor frequency scaling
governor.
Some infos:
$ cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 12
model name : AMD
As somebody who used to be affected by this bug, I can say with a
reasonable level of certainty, that your BIOS (in particular the ACPI
code) is buggy. The speedstep-centrino frequency table hack was marked
as deprecated in an earlier kernel (sometime around 2.6.18), and newer
kernels use ACPI for
My bad: my MoBo's BIOS somehow restored to factory defaults so that the
Cool'n'Quiet got disabled.
Now i turned it on again, and everything works like a charme.
Sorry for my misleading report.
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You received
I find it really strange that Ubuntu is not taking action on this...
I have a Dell Inspiron 9300, and 2 seconds ago also upgraded to the latest
Bios.. it is still stuck at 800Mhz.
I thought that Dell is shipping new computers with Ubuntu... wonder how that
will be when they start to put Gutsy on
I could solve this issue by resetting my BIOS (version 1.08) to
optimal defaults on my Uniwill 259IA. So reports of a buggy BIOS causing
this seem to be right. However, I think it might still be sensible to
hardcode some frequency tables into the kernel as a fallback since many
people don't even
Also it is pertinent to keep in mind that for many of us we do not have
a bios update available, Gateway has never released a single update to
my laptop's bios. Heck if I could update my bios I wouldn't consider
this a bug! All it needs are a few more freq tables hard coded into the
kernel, and
Can you elaborate on how you did this?
I've got the same board.
On Saturday 27 October 2007 21:30:10 Niels Ganser wrote:
I could solve this issue by resetting my BIOS (version 1.08) to
optimal defaults on my Uniwill 259IA. So reports of a buggy BIOS causing
this seem to be right. However, I
I have the same problem on my fujitsu-siemens e8410 with a dual core
cpu. It is just blocked at 800 MHz.
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 15
model name : Intel(R) Core(TM)2 Duo CPU T7100 @ 1.80GHz
stepping: 13
cpu MHz
According cpufreq-info the cpu is known correctly, but it seems, that a
policy is blocking the speed between 800 and 800 MHz
What looks cpufrequtils 002: cpufreq-info (C) Dominik Brodowski 2004-2006
Report errors and bugs to [EMAIL PROTECTED], please.
analyzing CPU 0:
driver: acpi-cpufreq
Can confirm this for the gutsy release and my (presumably Dothan?)
Pentium M.
bobbeldorsch% uname -a
Linux bobbeldorsch 2.6.22-14-generic #1 SMP Sun Oct 14 23:05:12 GMT 2007 i686
GNU/Linux
bobbeldorsch% cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
Yes Dothan cpus may have problems too. Both SONOMA and DOTHAN tables were
removed.
Looks like there are many computers that experience problem with speed
detection though ACPI. Would be interesting to get the patch back in the
kernel.
On 10/23/07, Niels Ganser [EMAIL PROTECTED] wrote:
Can
Also having this problem. Just upgraded to Gutsy, now my Dell 600m is
stuck at 600Mhz.
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Shouldn't the Importance go up? If the patch isn't applied in the final
release then people with the sonoma cpu will be working at 600Mhz.
Lucky my Feisty kernel was kept during the upgrade so I'm using that one
for now.
--
[GUTSY] cpu freq scaling not working anymore
I updated from Feisty with working cpu scaling to Gutsy on 16/10 and now
have no cpu scaling. Powernowd returns the same message:
* Stopping powernowd: [ OK ]
* Starting powernowd... /etc/init.d/powernowd: 156: cannot create
/sys/devices/system/cpu/cpu0//cpufreq/scaling_governor: Directory
Apparently the hard-coded frequency tables for SONOMA CPUs were never
included in main kernel (from kernel.org). Hence it was probably a patch
from Ubuntu. Why was it dropped in 2.6.22? There is at least one user
for who it worked better with the patch :)
--
[GUTSY] cpu freq scaling not working
Edited Ubuntu file is available here :
http://bugzilla.kernel.org/attachment.cgi?id=13171
It was in 2.6.20 kernel from Feisty.
More informations here: http://bugzilla.kernel.org/show_bug.cgi?id=7607
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You
i have an Athlon 64 X2 and the frequency scaling is not working, too.
also using 2.6.22-14-generic
/etc/init.d/powernowd restart
* Stopping powernowd:
Since I didn't have any news. I decided to have a look at the kernel code. I
compared arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c in 2.6.20 and 2.6.22
and I saw that my cpu's code (CPU_DOTHAN_C0 / SONOMA) was removed. I wrote a
patch to add it back and now cpu frequency scaling is working
Update to Linux version 2.6.22-14-generic ([EMAIL PROTECTED]) (gcc version
4.1.3 20070929 (prerelease) (Ubuntu 4.1.2-16ubuntu2)) #1 SMP Wed Oct 10
06:00:47 GMT 2007 (Ubuntu 2.6.22-14.43-generic),
and the problem persists.
** Attachment added: dmesg.txt
I may have an explanation for my cpufreq problem. I read that a dying
CMOS battery could cause such problems. My CMOS battery is low, indeed :
I got a message on boot about this some time ago. However, I have a
laptop (Fujitsu-siemens Amilo M 6453g) and I couldn't find the CMOS
battery : so I
Sorry but my previous post was an error. On my machine the cpu did not scale
simply
because the strigi-daemon was using lots of cpu. I removed it and everything is
now
in order.
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You received this bug
Just a update from me... It is still present in my Linux-generic 2.6.22.13.19
(Which I updated gutsy with yesterday)
Is it possible to lock it to full speed in any way? Better than have the
feeling of sitting on a pentium 2 with vista...
--
[GUTSY] cpu freq scaling not working anymore
Same here. I would be very interested in a way to lock the cpu at full speed
while this is fixed. My 800Mhz is kind of sluggish :)
Tor Harald Thorland Have you tried to use kernel 2.6.20? it works for
me.
On 10/8/07, Tor Harald Thorland [EMAIL PROTECTED] wrote:
Just a update from me... It is
Same problem with a Dell D420 with
Linux top 2.6.22-12-generic #1 SMP Sun Sep 23 18:11:30 GMT 2007 i686 GNU/Linux
Strangely scaling works for a little while after reboot, then not.
** Attachment added: dmesg.txt
http://launchpadlibrarian.net/9800238/dmesg.txt
--
[GUTSY] cpu freq scaling not
Update to gutsy beta now with kernel (Ubuntu 2.6.22-12.39-generic). The Issue
remains, I attached my dmesg output.
When I tested the prereleases of Feisty I had similar problems. If I remember
correctly it turned out that some Intel patches where not applied to the
kernel.
** Changed in: linux-source-2.6.22 (Ubuntu)
Assignee: (unassigned) = Ubuntu Kernel Team (ubuntu-kernel-team)
Status: New = Confirmed
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Note: It also affect vanilla kernel. I tried 2.6.23rc6 without success.
On 9/29/07, Sven Thiele [EMAIL PROTECTED] wrote:
** Changed in: linux-source-2.6.22 (Ubuntu)
Assignee: (unassigned) = Ubuntu Kernel Team (ubuntu-kernel-team)
Status: New = Confirmed
--
[GUTSY] cpu freq
3 people reported this annoying problem and still no news. It would be
nice if someone looked into it :) I'm willing to provide you with the
information you need, even if it means recompiling my kernel with some
kind of debug enabled (or some patches). linux-source-2.6.20 is working
fine,
I have the same problem. Stuck at 800Mhz on a Dell Inspiron 9300.
Found this in dmesg... but not the things you had.
[ 28.157214] Early unpacking initramfs... done
[ 28.881642] ACPI: Core revision 20070126
[ 28.881724] ACPI: Looking for DSDT in initramfs... error, file /DSDT.aml not
found.
Issue remains here too. Anything we could provide to help? this bug is very
annoying.
On 8/23/07, Sven Thiele [EMAIL PROTECTED] wrote:
I just update to 2.6.22-10 and the issue remains.
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I just update to 2.6.22-10 and the issue remains.
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I can confirm this for tribe 4
I have a Intel(R) Pentium(R) M processor 1.80GHz which is running with only
600MHz.
Also while booting i got this message.
* CPU frequency scaling not supported
** Attachment added: dmesg.txt
http://launchpadlibrarian.net/8817966/dmesg.txt
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Could you confirm if the problem still exists with the Tribe 4 live cd?
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Well I can't test Tribe4 live cd because it is a too big download for my
current internet connection I'm afraid. However, I'm already using
latest GUTSY and Yes I do still have this problem.
My kernel is this one: Version: 2.6.22-9.25
I 've now switched back to the following one (luckily I kept
** Attachment added: dmesg output - acpi error
http://launchpadlibrarian.net/8800428/dmesg-acpi.txt
** Changed in: linux-source-2.6.22 (Ubuntu)
Sourcepackagename: None = linux-source-2.6.22
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I booted back on an old kernel 2.6.20-15 and my cpu freq scaling was
back. However I still have the same warning in dmesg about ACPI (so this
is another problem) but powernowd is now running just fine. Hence, the
problem was definitely introduced in 2.6.22 kernel.
I'll upload my dmesg with 2.6.20
Also, it used to work with previous 2.6.22 kernels. Thus, this was
probably broken in one of the latest bugfix releases I think.
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