** Changed in: linux-source-2.6.17 (Ubuntu)
Status: Confirmed => Won't Fix
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** Changed in: linux-source-2.6.15 (Ubuntu)
Status: Confirmed => Fix Released
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Please excuse the query, I realise the status has moved to Fix Released.
I've got Feisty X86_64 and cpufreq also doesn't work properly. I have a
Core 2 Duo E6300 over-clocked to 3.15GHz but the recognised freq's are
2.0 & 2.333GHz. It seems to me that it's not reading the fsb correctly
as these fi
That bug has all the same symptoms as this bug, but I don't have the
hardware to see if the same hack fixes it.
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is this bug related? We still have it with kernel 2.6.20 in Feisty:
https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/71772
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For some reason, my comment I thought I had made a few days ago didn't
show up here.
The issue wasn't in speedstep-centrino, it was in the ppc code of acpi,
acpi_processor_ppc_notifier. My hack of commenting out code in the
speedstep-centrino code was to keep the acpi code from being used to
limit
Latest feisty kernel no longer has the speedstep-centrino. Using
acpi_cpufreq now.
Should fix things.
** Changed in: linux-source-2.6.20 (Ubuntu)
Status: Needs Info => Fix Released
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I had this problem with a Dell Inspiron 9200 (pentium m 1.7 GHz) with
Edgy (kernel 2.6.17-10-generic). But now everything works fine.
I had scaling_max_freq = scaling_min_freq = 60 and I was unable to
change i :
[EMAIL PROTECTED]:~$ sudo -i
[EMAIL PROTECTED]:~# cat /sys/devices/system/cpu/cpu
I also tried a vanilla kernel 2.6.19 that I downloaded from
www.kernel.org and it is the same, the bug is present !
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Thank for your reply. I tried to do what you told me but:
sudo modprobe -r speedstep-centrino
FATAL: Module speedstep_centrino is in use.
so I tried "sudo modprobe acpi-cpufreq" and:
FATAL: Error inserting acpi_cpufreq
(/lib/modules/2.6.17-10-generic/kernel/arch/i386/kernel/cpu/cpufreq
/acpi-cp
On Wed, 2006-12-20 at 18:58 +, Félix C. Morency wrote:
> After testing some solutions, I tested a "sudo modprobe acpi" and got
> the message attached to this post. Any hint ?
sudo modprobe -r speedstep-centrino
sudo modprobe acpi-cpufreq
This should be fixed in the next kernel upload.
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After testing some solutions, I tested a "sudo modprobe acpi" and got
the message attached to this post. Any hint ?
** Attachment added: ""sudo modprobe acpi" error"
http://librarian.launchpad.net/5493686/acpi_cpufreq
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I tested with these kernel and they have the problem too:
Feisty 2.6.20-2
Feisty 2.6.19-* (I don't remember, but it's the last one)
Dapper 2.6.15-27 (not sure, but it's the last one too)
I tested them on my same Edgy (I just updated the kernel).
It is strange because I remember that it was worki
I have the same problem on my Dell Inspiron 9300. The "scaling_max_freq"
and "scaling_min_freq" contain exactly the same values (80) and my
CPU is running at 800Mhz. I run under Edgy with the 2.6.17-10-generic
kernel. I tried the "cs_state" fix and it does work (permission not
granted). Any (go
Please retest against 2.6.20-2 when it is available in the feisty
archive.
** Changed in: linux-source-2.6.19 (Ubuntu)
Sourcepackagename: linux-source-2.6.19 => linux-source-2.6.20
Status: Unconfirmed => Needs Info
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I did more tests yesterday and the issue I have is in fact the same
reported in http://bugzilla.kernel.org/show_bug.cgi?id=7060 . Although
the effect is the same, they seem to be caused by different bugs, so
I'll file another one and link it to the above mentioned upstream bug.
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Could
http://lists.linux.org.uk/mailman/private/cpufreq/2006-June/005961.html
also be related?
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This is a similar issue http://bugzilla.kernel.org/show_bug.cgi?id=7060
It may as well be what I'm experiencing since I had the battery
unplugged during all tests I did. Unfortunately I don't have my notebook
with me now, so I'll only be able to do more tests later today.
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Good!
If you need any other info don't hesitate to ask!
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Thank you, Mirco - that confirms some suspicions I had. I think I might
be able to reproduce the problem now.
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Ok,
I have solved the problem...
My pc is an Lenovo (IBM) Z60m so i guess similar machines have the same problem.
To solve it just set the Adaptive Thermal Management in the BIOS to "Maximize
Perfomance".
Hope this can help...
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Mirco - unfortunately, the bug is in an obscure part of the cpufreq
code, and dmesg and lsmod don't show anything abnormal. The bug _does_
have a tendency to randomly appear and disappear. You might want to try
resetting the BIOS, perhaps that will help.
I suppose if you blacklisted all of the cpu
... btw, this is my output for dmesg and lsmod.
** Attachment added: "dmesg and lsmod"
http://librarian.launchpad.net/5240589/dmesg%2Blsmod
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What I've written previously is incorrect. In fact, I set
/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor to performance,
the CPU boomed up to 2GHz and, after ~ one second, the clock sank down
to 800MHz again...
Not only that, I had a look in /proc/cpuinfo and I still get the CPU MHz
bug!
p
Ahhh!!!
Oddly enough, today, everything works perfectly!!! :-S
I swear I didn't change anything!!!
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They are the same (80) :-(
If you need any other detail don't hesitate to ask!
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Arthur, it appears that this bug shows up somewhat randomly, and is not
necessarily reproducible even with the same hardware and software
configurations. I had the bug for months, and then it went away without
explanation. Others have it even with newer kernels.
Mirco, you should look at scaling_m
With the new edgy generic kernel, everything works like a charm on my
new(er) laptop. 1.6Ghz Pentium M, Inspiron 6000D.
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I can confirm this bug on my Pentium M
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 13
model name : Intel(R) Pentium(R) M processor 2.00GHz
stepping: 8
cpu MHz : 800.000
cache size : 2048 KB
fdiv_bug: no
hlt_bug
I must say, this bug is the worst I have worked with. I had thought that
the patches that were included in 2.6.17 fixed the issue, but the PPC
commenting method still works to solve the issue, it is apparent that
the bug still exists.
I have a few thoughts about how the bug might be solved, but no
Constantine,
I tried your method of commenting out on the 2.6.17-10 kernel and it
works.
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I finally upgraded to dapper, and I do NOT have any problems :), scaling
works fine as before, as well as everything else.
I have a Thinkpad X31 2673-CBU , with Intel Pentium M (Banias) 1.4 GHz.
My kernel is now:
[EMAIL PROTECTED]:~$ uname -a
Linux host 2.6.15-27-386 #1 PREEMPT Sat Sep 16 01:51:5
Dan, please *don't* file another bug. I'm not sure what Paul is trying
to say, but the D600 is one of the machines that has this problem, and
is the machine I used to examine the bug. It has also rather been seen
that the patch doesn't fix it, but unfortunately it is very difficult to
work on becau
Dan: if you have a separate machine, please can you file a separate bug
report. It's likely that your issue maybe to do with eg. incompletely
ACPI tables in that laptop.
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I have a Dell Latitude D600 with a Pentium-M 1.4Ghz. I applied the
modified patch posted here and had no success. I also tried the 2.6.18
kernel on a whim and that did not solve the issue either.
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I have Thinkpad X31 with Pentium M 1.4 GHz and I don't have any problems
with cpu frequency scaling in dapper and edgy.
I didn't modify anything (or I can't remeber that). Just the basic
installation.
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This bug is also present in the 2.6.18 kernel from kernel.org
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Please read the comments here before adding your comments, and *don't
add your experience if you are having an unrelated bug*. Dragonmirov,
your bug has nothing to do with this problem.
John, I might take a look at the problem again, but because of its
intermittent nature I am not experiencing it
Hi, I know I came late in this discussion. After upgrading to Edgy, my freq.
scaling broke down. And my processor runs at full speed all the time (I have a
Dell Inspiron 5160, P4 3.06 Mhz).
I got this bug with both 386 and generic linux image 2.17 branch (neverthless
to say that with Dapper and
Using Constantine's recommendation for "fixing" the kernel I have
managed to get cpu scaling to work. Its certainly no permanent solution
though.
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Fjodor, throttling and scaling *are not the same*, as I noted before.
Throttling has nothing to do with this bug. Please don't discuss it
here.
John, I'm rather certain that the max_freq cannot be set manually. If
max == min, then you probably have the race condition problem that this
bug is discu
I tried setting max_cpu_freq manually again logged in as root (no sudo)
and I no longer got the "Permission denied" error but the max_cpu_freq
still did not change.
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I'm confirming that CPU scaling still does not work in Edgy with either
the 686 or 386 images. I'm running an Inspiron 8600 Petium M 2.0 GHz.
Both max_frep_scaling and min_freq_scaling are stuck at 600 MHz. Trying
to set this manually via:
sudo cat cpuinfo_max_freq > scaling_max_freq
results in:
i had the
* CPU frequency scaling not supported
and
error inserting speedstep-centrino issues on my HP NC8430
Bios update solved it.
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** Bug 34641 has been marked a duplicate of this bug
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** Bug 62978 has been marked a duplicate of this bug
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Can confirm this bug for my Thinkpad R60 dual core.
None of the workarrounds here can fix this annoying problem :(
Even with an edgy daily build both core doesnt scale.
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-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
Fjodor, the issue that you are having is not related to this bug. Please
file a new bug report about it if you can't find a relevant one.
That said, I think you need to ask on the forums or the mailing list,
since it doesn't appear you are experiencin
Sorry, didn't see the "Don't paste into comments". -5 karma points to me
:-(
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I understand that you are fishing for resolution by acpi updates, but I
would like to point out that my /proc/acpi/processor/CPU0/throttling
lists
state count: 8
active state:T0
states:
*T0: 00%
T1: 12%
T2: 25%
** Changed in: linux-source-2.6.17 (Ubuntu)
Status: Fix Committed => Confirmed
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Please test 2.6.17-8.22, which should be in the archive now.
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No such thing as 2.6.17 in dapper.
** Changed in: linux-source-2.6.17 (Ubuntu Dapper)
Status: Unconfirmed => Rejected
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I can confirm twhat mvandeg is saying. Frequency scaling does not work
in Edgy Kernel 2.6.17-7.20 generic.
When I try to manually scale the frequency /proc/cpu still reports the
same CPU speed. I have a dv2000t with an Intel Core 2 Duo (2.0ghz).
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Contrary to the experience of Luka Renko, frequency scaling still
doesn't work in the current Edgy kernel (2.6.17-7.20 generic). The odd
thing however is that it does work in 2.6.17-7.20 386.
I have a Pentium M 2.0 Ghz.
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** Also affects: linux-source-2.6.17 (Ubuntu)
Importance: Untriaged
Status: Unconfirmed
** Changed in: linux-source-2.6.17 (Ubuntu)
Status: Unconfirmed => Fix Committed
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I can confirm that this is fixed in Edgy 686 kernel. It would still be
nice if fixed kernel would be released for dapper-updates though.
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Hello,
Well, my system is configured for Dapper. I'm afraid changing my apt
sources to Edgy will break a lot.
So, I manually downloaded "linux-
image-2.6.17-5-386_2.6.17-5.16_i386.deb" from packages.ubuntu.com. I
tried to install it, but it complained I needed module-init-tools =>
3.2.2-3ubuntu2.
here's a "me too"...
ken, i tried your workaround but no luck :(
running 2.6.15-26-686 on a D600 fwiw...
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Ken, could you check to see if this happens with the 2.6.17 kernel in
Edgy? I no longer have the problem now that I am using Edgy, and there
is reason to believe that the issue was resolved by some changes
upstream.
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I have a possible workaround for this problem.
I still experienced the problem with the latest Ubuntu kernel (as of 20060724).
In looking around I found this solution:
http://www.vmware.com/community/thread.jspa?messageID=321981
Basically, the performance problems stem from ACPI bugs that set t
My problem was that this was happening with all kernels that I tried
(386, 686, etc), and fixing it required hackish modification of the _PPC
frequency limiting code, to stop it from incorrectly limiting. It
appears that this bug is now gone as of 2.6.17-2 in Edgy, but I can't
say for sure. The des
On Mon, 2006-06-26 at 10:38 +, Luka Renko wrote:
> I have also noted similar problem with 686 - it does not scale CPU on HP
> nw8240 (Pentium-M 2.13GHz). I have installed 386 kernel yesterday and
> CPU frequency scaling works (and system does not heat-up as it did
> before).
>
> I am not sure
I have also noted similar problem with 686 - it does not scale CPU on HP
nw8240 (Pentium-M 2.13GHz). I have installed 386 kernel yesterday and
CPU frequency scaling works (and system does not heat-up as it did
before).
I am not sure if this bug was introduced with dapper-updates or if it
was in 2.
I'm using "linux-image-2.6.15-25-386" and it works fine in my Pentium-M (686
kernel goes very bad).
¿Why don't distribute a "linux-image-pentium-m"? I think that P-M is very
extended in laptops and it could help.
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Unfortunately, it seems that the patch does not fix the problem. I
compiled 2.6.15-25.43 with the patch added, but with the same
configuration, and it did not resolve the problem. I also tried the
using the 2.6.17-2 from Edgy, and that also did not resolve the problem,
so I am guessing that the pat
Yes it should be up() and down() for 2.6.15.
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The patch applies cleanly with the changes, but won't compile, since
mutex_lock and mutex_unlock aren't defined. After some cursory research,
it appears that the functions are called down and up in 2.6.15. Is this
correct? I am trying to compile the kernel with the names changed to up
and down now.
Constantine: Did you test if the patch fix your problem?
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** Attachment added: "Modified patch from 2.6.17 tree"
http://librarian.launchpad.net/3076518/patch-modified.patch
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Thanks for the patch. Probably be a couple of weeks before the next
kernel gets uploaded, but this patch will be in there.
** Changed in: linux-source-2.6.15 (Ubuntu)
Assignee: (unassigned) => Ben Collins
Status: Confirmed => Fix Committed
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** Attachment added: "Patch from 2.6.17 tree."
http://librarian.launchpad.net/3064562/git-7970e08bf066900efcd7794a1a338c11eb8f5141.patch
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Yesterday with the update to 2.6.15-25, i compiled a new kernel with
LinuxPHC-patch to ajust the voltages, processor family was 'Pentium M',
and now scaling works fine. (patch from http://linux-
phc.sourceforge.net/).
the default 686 kernel image still has the scaling bug, it does not
change cpu s
I've further narrowed this down to the cpufreq_verify_within_limits call
inside acpi_processor_ppc_notifier in acpi/processor_perflib.c. I'm not
quite sure why the maximum value gets set to the minimum value, but my
guess is that for some reason, ppc is getting set to the lowest
frequency state ins
I've been working on trying to fix this, and have had some success in
tracking down the problem. The problem occurs in the verification steps
of __cpufreq_set_policy in cpufreq.c. If one comments out that (from
after the memcpy to before the data->min = policy->min), cpufreq works
fine.
Something
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