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** Changed in: linux (Ubuntu)
** Changed in: linux
Importance: Unknown => Medium
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https://bugs.launchpad.net/bugs/432670
Title:
regression in karmic thermal control
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** Changed in: linux
Status: Incomplete => Expired
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Title:
regression in karmic thermal control
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Updated to 2.6.31-20, on Lenovo IdeaPad S9e. There were no problems with
previous kernel but now the fan is running on full power all the time,
the battery life reduced by 30%
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hi !
just updated my Ubuntu with the latest kernel (2.6.31-20) and it directly
appears that the temperature is lower...
Now I am hoping this will remain like this when asking a lot of the processor...
anybody else experiencing this ?
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same here...
since the kernel update (2.6.31-19) on my Karmic 64-bit my computer sometimes
shuts down
kern.log shows:
Critical temperature reached (102 C), shutting down.
I never encountered this issue prior to the kernel update...
So I wonder when the next kernel will be released...
also, what
Mikkel, if you don't know how to install only a lucid kernel, maybe you
shouldn't be running lucid just yet ;-) Running the development very
often requires more than this skill. Assuming you are running 32-bit,
you can install the kernel like "cd /tmp ; wget
http://de.archive.ubuntu.com/ubuntu/po
Rolf, thanks for taking your time.
a) How do I download a Lucid kernel for Karmic? Or do you mean I should
try installing an entire Lucid on her laptop? I'm already using Lucid on
my own laptop, but don't want to bother her with the possible problems
of alpha releases (although it may be better th
Mikkel, sorry to hear about your experiences. A couple of suggestions
to help you alleviate the worst problems.
a) run a lucid kernel (just download and install)
b) as mentioned in the upstream kernel bug, add thermal.psv=80 to kernel boot
parameters (-> grub)
c) lower the CPU frequency (use ond
I've pushed Ubuntu to a friend, but after upgrading her laptop to Karmic
she has been experiencing this too.
The fan is working at full speed and the CPU is getting very hot. The
result is that, after a while, when the CPU temperature reaches
somewhere above 90 degrees celcius, the system "freezes
If you use aptitude for package management (which IMHO is superior to
apt-get), you may want to have a look at /var/log/aptitude. I'm sure
the other package management software keep similar logs somewhere.
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you might be right, i have bad news which may be turned into good news: the bug
has found its way into debian. i now have the same symptoms with debian sid
based on sidux as with kubuntu. the bad news is for me since i do not have any
reliable installation anymore.
but maybe this can help to det
http://kerneltrap.org/node/8306 says this message is harmless
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i can furthermore add that this message does not appear running sidux.
unfortunately i have removed the ubuntu kernel from sidux again, so that
i can not say, if it also does not appear if the ubuntu-kernel is
running in the sidux-environment. i do not know if i have time to test
this again in the
>From one of my systems:
[97552.000601] Clocksource tsc unstable (delta = -351842000 ns)
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Mark, interesting find!
Indeed, I do have some of these messages and I have noticed in conky in
the past some funky switching of the CPU frequency always right before
this overheating shutdown occurred.
Feb 19 19:40:11 X24 kernel: [1.196034] Clocksource tsc unstable
(delta = -283962795 ns)
-
I have found this bug https://bugs.launchpad.net/ubuntu/+bug/457100
and I wonder if it might be related to our bug and point to the reason for the
problems with thermal control. I fond it because I fond these messages
[ 16.120024] Clocksource tsc unstable (delta = -69562152 ns)
2010-02-20 11:20:
I just got an acer aspire 7540. with bios version 1.7 i was getting
kicked off my wireless network constantly. just updated to 1.8 and am
not having any problems.
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With the recent kernel-update to 2.6.31-19-generic the problem has
resurfaced. When I boot with the previous version I have no shutdowns,
only a very busy fan.
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Unfortunately there are no differences with this params.
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Any differences if you use "acpi.power_nocheck=1 acpi_osi=linux" in the
kernel boot parameters?
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** Changed in: linux
Status: Confirmed => Incomplete
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** Changed in: linux
Status: Incomplete => Confirmed
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I have made some progress with (K)Ubuntu. Unfortunately I do not know what
exactly did the trick. First of all I noticed that the cpu-temperature drops
significantly (15-20 degrees) when I detach the battery. Then I also did some
updates and activated Thinkpad fan control as it is described here
Just a short update: System is now running for more than a day using
Sidux and Ubuntu-Vanilla-Kernal. Now unexpected shutdown until now.
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With from Rolf, I have installed the Kubuntu Vanilla Kernel 2.6.33-999 from
today on Sidux. It has been running nearly 4 hours (on rather high system load)
now, which is a very long time compared to the maximum of 1 hour when I was
running Karmic. I am not a technical expert, but as I understand
Just an update. As i stated earlier, i updated my bios on my acer
laptop and have had NO problems at all for the past 4 days!
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Joan, sorry to hear about the problems you are having. But everybody,
please let's not pollute this ticket with off-topic remarks. This has
nothing to do with BIOS updates, earlier versions of the kernel were
running fine. This ticket is about tracking down and fixing a
regression in the kernel.
This is what I also tried to do, but with less luck. Following some
forum threads, I downloaded the lastest bios updater from the Acer
website itself, which contains a program by a company called InsydeBios,
to be launched from Windows or from DOS. I launched the Windows
executabe (from Windows Vis
Hi, who is the manufacturer of acer aspire bios?
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htt
I was having the random shutdowns and losing my wireless connection too.
i just updated my acer aspire 5610 laptop bios to v3.6 and it all seems
to be working fine now.
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Mark, just use one of the Ubuntu unpatched mainline kernels that I
mentioned previously. If you need further help catch me in IRC or
Jabber.
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I this could help to rule out one of the possibilities, I could install
a pure Debian Kernel on Sidux (which should work since Sidux is Debian
appart from the Kernel and some additional tools. Therefore I would need
some instructions which kernel to pick and how to install and remove it
again (pref
Unfortunatly Sidux uses a modified kernel as far as I know. So there are
multiple possibilities where the bug could be:
a) Vanilla kernel (fixed by a Sidux-specific patch)
b) Ubuntu setup (no kernel bug)
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BTW: I have installed Sidux Linux (which is Debian based too) as a
parallel installation. It runs with Kernel 2.6.32 and so far there are
no problems. Touching the case, the system is definitely much cooler
even after running a full day, then running with Karmic. I do not know,
what the reason for
You could set a lower threshold:
http://bugzilla.kernel.org/show_bug.cgi?id=14695#c9
Please also have a look at comment #13.
Regards,
Florian
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Is there any workaround for this bug yet? My thinkpad R50e is nearly
unusable at the moment. It runs fine with Windows still, but using
Kubuntu Karmic with all the latest updates it shuts down after some time
without any warning, resulting in data loss. Is there any way to turn
thermal control off?
** Changed in: linux
Status: Unknown => Incomplete
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** Changed in: linux (Ubuntu)
Status: Confirmed => Triaged
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** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=14695
Importance: Unknown
Status: Unknown
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I forgot to say that I had also tried the mainline kernel, without any
better results, before posting here.
Also, "apci -V" and "sensors" did output a constant 0.0C (and fan not
running) in the last session (before overheating and shutting down
again). This was with the standard kernel. Now it's 7
I tried current mainline kernel. Yesterday I encoded with avidemux which
resulted in a critical temperature shutdown, too.
I opened a bug report at kernel.org:
http://bugzilla.kernel.org/show_bug.cgi?id=14695
** Bug watch added: Linux Kernel Bug Tracker #14695
http://bugzilla.kernel.org/show_b
Hi guys, I would like to apport a couple of details:
1) Normally both "acpi -V" and "sensors" output a temperature of 40.0 C all the
session long, even when the computer is obviously overheating because the fan
doesn't spin at all.
2) When due to this overheating the computer automatically shuts
don't worry too much about importance level (but I did set the other
report to medium as well).
What you guys can do (and I should have done it already) is try with the
so-called mainline kernels from http://kernel.ubuntu.com/~kernel-
ppa/mainline/daily/current/ Should the problem occur with that
Maybe importance should be higher than "Medium" if problems like
"microphone does not work" (Bug #443089) are "Critical".
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I go through the same proplem like sibs since I upgraded to karmic. Same
symptoms: fan at high speed after a few minutes, critical temperature
under full load, e.g. encoding with Avidemux, shutdown. Last night I had
this problem although CPU was thottled down to 800MHz instead of maximum
2.2GHz!
S
Had a look at kern.log after reading earlier post found:
Nov 22 22:20:01 sibs-laptop kernel: [2.176614] Marking TSC unstable due to
TSC halts in idle
Nov 22 22:20:01 sibs-laptop kernel: [2.176637] ACPI: CPU0 (pow
Since installing Karmic my fan has been operating at high speed too
often for my liking and now I've had a number of unexpected shutdowns
whilst using Firefox or transcoding using dvd::rip, particularly when
doing both . I got the following errors from the last shutdown after it
hung:
Modem Manage
It turns out i wasnt testing the sensor configuration correctly. The
default configuration file is sensors3.conf not sensors.conf (go
figure). It turns out i cannot set limits to my k8temp* ...not sure why
that is.
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You
Setting sensor limits makes no difference to me. I dont have a fan speed
sensor (or so ubuntu says) so maybe that is why. I also believe that
ubuntu does not spin the fan to its full potential when i reach high
temperatures. I checked /proc/acpi and i noticed thermal limit set to
T0 which is proce
I am not sure but could it be the case of unspecified temperature
monitor. I did some digging and I discovered a program called sensors
(it is used by the kernel to monitor temperature). So in its config you
have the option of setting cpu max temperature (/etc/sensors.conf, first
check your sensor
** Changed in: linux (Ubuntu)
Status: New => Confirmed
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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I have a similar problem. CPU temperature reached 96C at one point which
shut down my pc. I checked my logs no warning message was ever produced.
It happened while running firefox at full blast (flash playing a movie).
I can throttle my cpu to keep it form reaching that temperature. The
temperature
I also feel that my temperatures have gone up recently. My system has a
single fan. The temp reported under
/proc/acpi/thermal_zone/THRM/temperature is the CPU temperature. My CPU
temp is 51 but the issue the temperature of Graphic Processor nVidia (I
am having to throttle down CPU, disable all eff
Am having similar problems with an Intel 2.8GHX boardAt 77-C am
getting waaay too many messages from the kernel, and can't even break in
to kill the machine.Have filled up the root directory twice in the
last two days.After restarting the machine (and blowing all the dust
out of CP
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