I am having this problem on a thinkpad t470s, ubuntu 16:04 LTS.
It does not occur all the time, but in about 30 % of the cases after coming
back from suspend.
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I'm having this problem on my desktop running Ubuntu 16.04. After
resuming from suspend, my CPU (or GPU, not sure) fan is spinning up a
lot more than before doing a suspend. For example, I can watch Youtube
videos without hearing any fan noise normally, but once I've resumed
from standby the
1. before suspend, examine and remember all values of
/sys/devices/virtual/thermal/cooling_device*/cur_state
2. after suspend, restore all values mentioned above.
OR, for simplicity, just set the values of
/sys/devices/virtual/thermal/cooling_device*/cur_state periodically.
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I confirmed that this bug have a workaround on my HP mini 5101 using
opensuse 12.3.
echo -n 0 /sys/devices/virtual/thermal/cooling_device4/cur_state
echo -n 0 /sys/devices/virtual/thermal/cooling_device6/cur_state
---
uname -r
3.7.10-1.16-desktop
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Had this exact problem running Xubuntu 13.04 with kernel version
3.8.0-26 on an HP tc4400 laptop. petr-daneck's script fixed it for me.
Thanks, Petr.
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I've also run into this issue on my HP 6720s using Ubuntu 13.04 and
linux 3.8.0-25.
I used the workaround posted by petr-daneck in comment #94, which worked
nicely. Thanks Petr!
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That is a shame, when there is a working fix for atleast some (multiple)
hardware. I think we (or I...) am just lacking competence of
incorporating it into the codebase... Well, I could copy-paste the code
mentioned above in a .diff/.patch - but that wouldn't be a nice
integration, would it?
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This report appears to have become an extended discussion of unresolved,
unrelated problems over the years rather than describing a bug that can
be worked on, so I am closing it. If you are still having an issue,
please file your own bug report for your specific hardware, and include
a tar of
Confirmed on HP ProBook 4510s.
On older versions of ubuntu this could be solved by plugging out the power
coord and then plugging it back in some seconds later when the fan spinned
down. After upgrading to 13.04, this metod no longer works.
sudo su
echo -n 1
Uptade on this:
ls /sys/devices/virtual/thermal/cooling_device*/cur_state | while read A; do
echo 1 $A; echo 0 $A; done
does kill the fan, but it starts again when the processor gets to 50*C.
Before it was more like it was on a little bit all the time and spun up
when needed, now it is quiet
I can confirm that the fix from pd (petr-danecek) works on my Probook
5310m. The fan comes out of psychotic speed mode and falls down to
normal speed after resume.
Boy, have I been looking for this fix.
Can someone tell me why this hasn't been addressed yet, it is a very old
bug?
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I can also confirm that the above solves the problem. Apparently the
kernel does not know what state are the fans in. This can be solved by
turning them on and off for a brief period of time. Note that this does
not turn the fans off permanently, the cooling is not affected and the
fans continue
I can confirm this on 12.10 with a HP Probook 4510s
echo -n 1 /sys/devices/virtual/thermal/cooling_device11/cur_state
This fixes it till the next time for me.
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On Ubuntu 12.04 with both stock kernel and 3.5 the problem is persitent
(HP 5310m). I can fix it by unplugging/replugging the power cord or
using this script (modified from above examples):
#!/bin/sh
#
# https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.17/+bug/77370
# file
Confirming that #88 works on my HP ProBook 4510s, Ubuntu 12.04 64-bit.
Before the workaround, running sensors would give erratic readings
after resume from suspend, one of the temp sensors went first to 90C,
after plugging in AC for a second, it went step by step to 0C! But I do
work in normal
I think I solved my issue. The solution turned out to be the removal of
the fglrx driver. After uninstalling the driver two days ago both temp1
and temp2 temperatures are nearly the same as before suspending and no
more fans at full speed after resume. Silence... at last.
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Thanks, but I have tried this and some variants on this thread.
It seems to me that the cur_status of cooling_device0 just does not
change. Every other one has status 0 and I can change them, but not the
zero one. I am not even sure it would affect the temp2 reading...
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#86 Thanks. I thought just sudoing the command was enough.
Alas, still no luck in turning off the fan after suspend. I tried few
combinations of these commands:
echo -n 0 /sys/devices/virtual/thermal/cooling_device0/cur_state
echo -n 0
For my HP ProBook 5310m has helped the following:
Create the file ”/etc/pm/sleep.d/99fancontrol.sh”, insert the code below and
chmod 755 it.
Script:
#!/bin/sh
#
# https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.17/+bug/77370
case $1 in
hibernate|suspend)
# Stopping is not
I have the same proble on my HP Envy 2090 and I can't get it fixed and
don't really know where to even start.
I have tried fiddling with the above (82, 83 and 84) tricks, but I get a file
permissions error:
petteri@ENVY14:~$ echo -n 1
/sys/devices/virtual/thermal/cooling_device0/cur_state
#85
You need to be root:
user@host:~$ sudo -i
user@host:~# echo -n 1 /sys/devices/virtual/thermal/cooling_device0/cur_state
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Title:
Laptop Fan
on my HP ProBook 5310m this one helps:
#!/bin/sh
#
# https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.17/+bug/77370
case $1 in
hibernate|suspend)
# Stopping is not required.
;;
thaw|resume)
# In background.
This worked for me. HP420 running openSUSE. Thanks a lot
Fabrizio F (f-forzano) wrote on 2011-11-17: #82
Combining all previous posts, i made this file
/etc/pm/sleep.d/99fancontrol.sh that worked perfectly for me:
--
#!/bin/sh
#
# Blocca le ventole.
#
Combining all previous posts, i made this file
/etc/pm/sleep.d/99fancontrol.sh that worked perfectly for me:
--
#!/bin/sh
#
# Blocca le ventole.
# ripreso da:
https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.17/+bug/77370
case $1 in
I have the same problem on my HP 620 Laptop @ work, and I have a rather
simple fix for this :) ! Unplug the power cable and replug the power
cable! Sounds stupid I know but it works :P
# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 11.10
Release:
#76 is the response:
- echo -n 1 /sys/devices/virtual/thermal/cooling_device11/cur_state
That stops the fan.
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Title:
Laptop Fan always on after
Same problem occurs to me since I upgraded to 11.10. To clarify:
The problem did NOT occur with:
- linux-image-2.6.35-28-generic
The problem does occur with:
- linux-image-2.6.38-11-generic
- linux-image-2.6.38-12-generic
- linux-image-3.0.0-12-generic
- linux-image-3.0.0-13-generic
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Is there any workaround to manually switch off the fan? Given the
current bug I must restart the computer.
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Title:
Laptop Fan always on after
Iñaki Baz Castillo:
I'ts work for me: #76
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Title:
Laptop Fan always on after resume from suspend to RAM
To manage notifications about this bug go
I'm not using Ubuntu at the moment, but i think it's relevant.
On recent kernels there is no /proc/acpi/fan or /proc/acpi/thermal. Instead
there are /sys/devices/virtual/thermal/cooling_deviceX and
/sys/devices/virtual/thermal/thermal_zoneX, or something like that. I didn't
managed to get
Thank yout piotrekf! You help me a lot!
I'ts work for me:
echo -n 1 /sys/devices/virtual/thermal/cooling_device11/cur_state
sleep 10
echo -n 0 /sys/devices/virtual/thermal/cooling_device11/cur_state
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Are there any news?
I tried Ubuntu 11.10 Beta2, and this bug still there too.
I can't use suspend, I feel like living in early 90s...
I have not /proc/acpi/fan that's why not working me any workaround script.
Very fustrating...
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https://bugs.launchpad.net/ubuntu/+source/linux/+bug/77370/comments/72
I was wrong, it does not help...
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Title:
Laptop Fan always on after resume
I have disabled Fan always on while on AC power in BIOS, and everything works
fine!
Ubuntu 11.04, HP 4310s laptops.
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Title:
Laptop Fan always on
** Changed in: acpi (Ubuntu)
Status: New = Confirmed
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Title:
Laptop Fan always on after resume from suspend to RAM
To manage notifications
This apparently still affects Ubuntu 11.04, with HP 4310s laptops,
according to bug #818771.
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Title:
Laptop Fan always on after resume from
More information:
Before suspend (AC power plugged in):
$ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1: +16.0°C (crit = +108.0°C)
temp2: +39.0°C (crit = +105.0°C)
temp3: +42.0°C (crit = +108.0°C)
temp4: +43.0°C (crit = +105.0°C)
temp5: +36.8°C (crit = +108.0°C)
temp6: +40.0°C (crit =
This bug was filed against a series that is no longer supported and so
is being marked as Won't Fix. If this issue still exists in a supported
series, please file a new bug.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
I have a little bit different problem with the fan speed. When I start
Ubuntu first time (maybe the reason is that the system is cold), my fan
is going crazy. After rebooting two or even three times everything is
going well.
The display-brightness problem influences me deeply as well!!!
Using
No, unfortunately the display-brightness problem still remains - at
least I didn't manage to make it work.
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Thanks, will try it asap.
But does this also absolve the display-brightness problem?
Since I use the ppa of kamal mostafa (i915 patched kernel) to prolong
battery life by dimming the display I'm very hesitant to upgrading.
ps: Of course I'm also running the z360 model. My original comment
I had this problem too on my Lenovo Ideapad z360 and kernel
2.6.32-24-generic. After upgrade to 2.6.35 (downloaded from kernel ppa)
it seems to work fine.
2.6.35-02063505-generic #201009211107 SMP Tue Sep 21 11:09:35 UTC 2010
x86_64 GNU/Linux
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** Changed in: linux (Ubuntu)
Assignee: Ubuntu Kernel ACPI Team (ubuntu-kernel-acpi) = (unassigned)
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confirmed on lenovo ideapad Z350 @ 2.6.32-24-generic #39-Ubuntu SMP
unplugging and replugging doesn't help
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hp probook 4310s Ubuntu 10.04 LTS
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Confirmed on Dell Latitude E6400
$ uname -a
Linux rama 2.6.32-22-generic #36-Ubuntu SMP Thu Jun 3 19:31:57 UTC 2010 x86_64
GNU/Linux
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This also affects my HP Probook 4410s
I solved this by unplugging and re-plugging the AC power.
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Found that it is only the fan on the ATI card that is running full blast
after resume. All other fans are fine. Seems there are other bugs
reported for this, i.e. Bug #563156.
lspci -v
snip
0a:00.0 VGA compatible controller: ATI Technologies Inc RV530GL [FireGL V3400]
Subsystem: ATI
Theo, there is only one physical fan on the 6735s. FAN0, FAN1, FAN2,
FAN3 are simply states at which speed the fan is spinning. There is no
physical ATI card on the 6735s either, it's integrated in the
motherboard (AMD 780G chipset).
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Did not intend to imply that I had a 6735s. Nor is this report strictly
about HP 6735s. I think comment #53 states clearly that I'm working with
an HP XW9300 workstation... I did not have enough data when posting
comment #53. Would not have posted to this bug report if I'd known what
I know now.
Oh right, my bad too, I mixed this bug with the one that's specifically
for 6735s on the same issue.
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Hope this data point helps:
1. Fan control worked fine with Karmic-9.10---2.6.31-20 after a
suspend/resume cycle.
2. It quit working with upgrade to Lucid-10.04---2.6.32-21 2.6.32-22.
3. When I boot Lucid (10.04) using the left-over 2.6.31-20 kernel, fan
control works again, i.e., the fan
Confirmed on HP dv4i
uname -a
Linux calin-laptop 2.6.32-21-generic #32-Ubuntu SMP Fri Apr 16 08:09:38 UTC
2010 x86_64 GNU/Linux
Also echo -n 3 /proc/acpi/fan/FAN*/state doesnt stop the fans.
The option Fan always on is disabled from BIOS.
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Confirmed on Dell Inspiron 1501, Lucid as well. Have to reboot to turn
fans off.
uname -a
uname -a
Linux hostname 2.6.32-22-generic #33-Ubuntu SMP Wed Apr 28 13:28:05 UTC 2010
x86_64 GNU/Linux
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You
Confirmed on HP XW9300 workstation as well, latest BIOS / Lucid. Resume
from Suspend has fans at full speed until reboot.
uname -a
Linux hostname 2.6.32-22-generic #33-Ubuntu SMP Wed Apr 28 13:28:05 UTC 2010
x86_64 GNU/Linux
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Confirmed on HP 6735b with latest BIOS and running Lucid. Resume:ing
from suspend to RAM has fan att full, rebooting fixes.
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@nerkn
Like voneiden says: please read the bug before commenting.
The fans work perfectly before suspending to ram, hence no BIOS setting is
wrong. Only after a suspend to ram the fans stay on.
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You
However that/those BIOS settings are not related to the problem itself,
as the topic is implying fans work OK before suspend.
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Perhaps some users forget to check a BIOS SETUP setting. There is a BIOS
setting, names Fans always on or Always fan on on plug power ect.
chech that setting is off before any scripting.
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Hi, there is a mistake on script.
The fact is that you cannot put on fan 2 before doing the 3 one on !
And please dont create files !
So you must follow some rules :
#!/bin/sh
#
# 99funguj: sprav co se da
case $1 in
hibernate|suspend)
# Stopping is not required.
;;
thaw|resume)
for x
sorry for the missposting !
Hi, there is a mistake on script.
The fact is that you cannot put on the fan 2 before doing the 3 one on !
And please dont create files !
So you must follow some rules :
#!/bin/sh
#
case $1 in
hibernate|suspend)
# Stopping is not required.
;;
thaw|resume)
#
I've got a 6735s. Under normal use the fan is mostly on it's lowest
speed, switching off sometimes below 45 C. When that happens, the lowest
active trip point gets set to 50 C and it usually takes a bit of time
before the fan comes back on - all fine so far.
After resuming from suspend I have
$ uname -r
2.6.28-13-generic
HP Compaq 6735b
I've found interesting thing. After restart with original 72-acpi-
pain.sh and 99laptop-mode files i've got polling disabled.
Right after start-up (fan is almost silent)
setting not supported
polling disabled
state: active[2]
pawel,
just enabling polling will fix the issue once the CPU temperature changes so
much that a trip point is crossed, which seems to be after a few minutes, as
you write. However, if you additionally install the script by vasek125, the fan
will be silenced almost immediately after resume.
Something strange happened, later I installed Vista as I want all
hardware drivers, then I found Vista was not convenient for me, so I
reinstalled Ubuntu 9.04(with latest updates) and the problems gone, I
recall that in Vista I flashed BIOS using the latest driver from
HP(also, the version is
Flashing BIOS did not fix problem for me. Flashing BIOS was the first
thing I did on my HP 6730b.
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Interesting, however both Vista and XP bios flasher have the same
checksum (and same filename) so they should be doing the same thing.
Lucky you.
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good job Ingo Karkat
echo -n 5 /proc/acpi/thermal_zone/CPUZ/polling_frequency
and everything works perfect
HP 6735s Jaunty Jackalope 64bit
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Thank you for posting this script, vasek125. It also works on a HP Compaq 6735s
running Ubuntu 9.04. I had previously resorted to a more complex workaround
which involved heating the CPU to reach the next trip point (Cp. Ubuntu bug
#343128: Noisy fan after resume on HP 6735s at
Everything is working fine with this script on my HP 6730b. Laptop is
not overheating, fan speed regulation works great. Everything works
well.
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Ingo,
The trip points are also set on different values after resume than upon
system boot. Also the trip points are not modified upon reaching trip
points through polling. The problem then is increased fan speeds (the
trip points provided are lower after resume than upon bootup) and fan
speeding
Just try what is sufficient. I have sleep 1. Sleep interval is in
seconds. To speed up the resume write something like:
for x in /proc/acpi/fan/*; do
if [ -f $x/state ] [ `grep off $x/state` ]; then
echo echo -n 0 $x/state;
Thanks vasek125 for your reply, but I am a noob, where do I replace in
the original script with your new piece of code? Sorry for my problem.
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This is new code:
#!/bin/sh
#
# 99funguj: sprav co se da
case $1 in
hibernate|suspend)
# Stopping is not required.
;;
thaw|resume)
# sprav to
for x in /proc/acpi/fan/*; do
if
nazdar vasek125
In my case it didn't work. I created that document (the last one) in
...pm/sleep.d/ , but after resume from suspend fans are once again
always on
jaunty jackalope, 64 bit, upgraded from Beta
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ok, it seems that it's work. But after resume the fans are off until
temperature appears to 90 C (trip_points are 45:62:70:85), after that is
activated fan0state (everythings on). Then it works normal. Fans are
getting off with downgrading temperature and on with his increasing.
So, it's work :)
for everyone with same problem, don't forget to make 99funguj
executeable, as in my case
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I fixed this problem in my hp 6730b by creating
/etc/pm/sleep.d/99funguj.
#!/bin/sh
#
# 99funguj: sprav co se da
case $1 in
hibernate|suspend)
# Stopping is not required.
;;
thaw|resume)
# sprav to
correction: sleep interval is needed between echo -n
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vasek125: so can you tell me where do I put the script, in /etc/pm/sleep.d ?
also, what is the syntax for sleep interval? What interval is needed? Is it
like:
echo -n 3 $x/state;
sleep 2000
echo -n 0 $x/state;
is 2000 msec or sec?
Thanks!
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In my case, should I echo the fan states off and back on, the fan[i]'s
turn on according to the current trip points. For example, having
active[2] 62 C, and the computer temperature at the time of issuing the
echo would be 65, FAN3 (50C) and FAN2 (62C) are set on. FAN1 and FAN0
stay off regardless
Now I have a fresh installation of Jaunty, and the problem persists. After
resuming from STR, I get the exact same symptom as under Intrepid newer
kernels: FAN0 is reported to be in off state, while FAN4 says on. Turning
on and then off (with 1 second in between) FAN0 quiets the machine.
Hope
Running HP 6735s,
$ uname -r
2.6.28-11-generic
I have the same problem with suspending, ie fan runs at fast speed with
no control over it. After a clean restart, though, when everything is
working fine, there is one oddity:
$ cat /proc/acpi/thermal_zone/CPUZ/*
setting not supported
polling
@pawel thanks for your tips.
But it doesn't seem to work for me. Now after waking up from STR, my fan is
high up again
$ uname -r
2.6.27-14-generic
$ cat /proc/acpi/fan/*/state
status: off
status: off
status: off
status: off
sorry I meant to say
$ echo 3 | sudo tee /proc/acpi/fan/FAN0/state
in the previous post
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i've hp compaq 6735b with ubuntu 8.10
I've made some modification to scrpit /etc/acpi/resume.d/72-acpi-pain.sh
i've moved NNGH FAN HATE part to the end of script, after modules loading.
after few sleep/wake up test rounds i think it works.
** Attachment added: 72-acpi-pain.sh
@TJ I'm attaching the DSDT report you asked for
** Attachment added: DSDT on a HP/Compaq Presario CQ20
http://launchpadlibrarian.net/23852119/Presario%20CQ20%20-68PHU%20Ver.%20F.02.dsdt.tar.gz
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@TJ your script doesn't expect Model names to have special characters,
I've patched it with extra quotes. see attachment
** Attachment added: better version of the pack-dsdt collection script
http://launchpadlibrarian.net/23852137/pack-dsdt
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Dear TJ,
Should I boot into the offending kernel? I mean the 2.6.27-7-generic kernel
works fine for me so far, but the ones upgraded later (e.g.2.6.27-12) actually
will drive up the fan.
Thanks a lot
Jesse
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On Sun, 2009-03-01 at 13:57 +, Jesse wrote:
Should I boot into the offending kernel? I mean the 2.6.27-7-generic
kernel works fine for me so far, but the ones upgraded later
(e.g.2.6.27-12) actually will drive up the fan.
No, use the 'good' kernel since the script is going to collect
According to Hewlett Packard information, the ACPI FDTZ is actually the
*Fan Speed* as a percentage of maximum speed. This would explain why
Jesse is seeing high FDTZ values on resume coupled with fan noise.
I'd like to inspect the ACPI DSDT of the affected models. I've created a
shell script
This also happen on my machine, but not just after resume. I believe
that once the fan is turned on it's never turned off again, even if the
machine is under very light load. My machine is a Toshiba Satellite
L305-S5899 with InsydeH2O BIOS, and I'm using 8.10 with kernel
2.6.27-11-generic. It's
** Tags added: suspend
** Tags added: intrepid resume
** Tags removed: intrepid
** Tags added: intrepid
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Laptop Fan always on after resume from suspend to RAM
https://bugs.launchpad.net/bugs/77370
You received this bug notification because you are a member of Ubuntu
Bugs, which is
I can confirm this is an issue on a HP 6730b laptop running new linux
kernel 2.6.7-10 from intrepid-proposed. Suspending to RAM again and
resuming seems to fix the issue.
However sometimes the issue only occurs every four resumes rather than
every second resume
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Laptop Fan always on after
I'm experiencing this on Intrepid with the newly updated kernel
2.6.27-10. This was previously fixed in 2.6.27-7, so I guess this is a
regression...
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Laptop Fan always on after resume from suspend to RAM
https://bugs.launchpad.net/bugs/77370
You received this bug notification because you are a
I'm also seeing this problem on my Compaq cq20 running Hardy 32bit.
There's this strange thermal zone censor called FDTZ that's reporting
a 93 Celsius temperature after resume from suspend. And I'm almost sure
it's not as hot as it reports. Coz it was around 40 degrees before
suspend.
To Leann:
attaching all files mentioned in the wiki page.
i'm sure that thermal zone is not reporting the right temperature now. before
suspend it was reporting (constantly) 30 degrees, and it always reports 93
after resume. Vista doesn't have this problem.
** Attachment added:
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
** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
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Laptop Fan always on after resume from suspend to RAM
https://bugs.launchpad.net/bugs/77370
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
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ubuntu-bugs mailing list
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-source-2.6.17 (Ubuntu)
Assignee: Brian Murray (brian-murray) = (unassigned)
Status: New = Won't Fix
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
Assignee:
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