Tested with linux-image-2.6.24-1-generic and the CPU fan works just
fine.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
Status: New = Fix Released
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CPU fan no longer runs after upgrade to
Fixed in the developmental release and not SRU worthy, so wontfix for
Gutsy.
** Changed in: linux-source-2.6.22 (Ubuntu)
Assignee: Ubuntu Kernel ACPI Team (ubuntu-kernel-acpi) = (unassigned)
Status: Triaged = Won't Fix
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CPU fan no longer runs after upgrade to Gutsy
Adding Infomation on the BIOS upgrades past A03 on the L400 from Dell.
==
A09 = A08 + the following changes:
Issues Fixed:
1. Fixed System intermittently shutdown issue on W2K.
2. Modified the help text on Battery Auto-Learning page.
3. Fixed an intermittent standby /
if i could interject something. BIOS updatat A08 modified some of the
acpi thermal zones for the L400 and might lead to issues of over heating
for Linux (actually this issue can be seen with Windows 2000 also). I
have found that rolling back to BIOS A06 brought ACPI back for Linux.
I'll attatch
My BIOS rev is A03, so that's not the fundamental problem (although it's
good to know).
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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Changing the boot options to acpi=off works around this problem for me.
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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ubuntu-bugs
Apparently the working is unrelated to the updates. Today after
rebooting with no updates in between it worked/didn't work. I guess
I'll try and get the /proc/acpi added to the bug for when it's not
working.
** Changed in: linux-source-2.6.22 (Ubuntu)
Status: Triaged = Incomplete
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It appears that if the laptop is hot and so the fan is running when the
kernel takes control, it's able to control the fan, but if the fan is
not running when the kernel takes over, it never runs, the machine
overheats, and shuts down.
Here's the /proc/acpi diff between when there is a fan and
And today it works again after the kernel upgrade.
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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And after today's acpi update and a reboot. No fan again ...
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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So, oddly enough, after an unexpected shutdown last night due to
overheating, the system now has a running cooling fan again, but I don't
see any recent updates that I would have expected to affect this. ACPI
on this system still has issues. This is while on battery:
acpi -Vs
Battery 1:
** Changed in: linux-source-2.6.22 (Ubuntu)
Assignee: (unassigned) = Ubuntu Kernel ACPI Team
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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Could you please add the a tarball of your '/proc/acpi' directory to
your bug report? Thanks in advance.
** Changed in: linux-source-2.6.22 (Ubuntu)
Assignee: Ubuntu Kernel ACPI Team = Brian Murray
Status: Confirmed = Incomplete
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CPU fan no longer runs after upgrade to Gutsy
Here it is.
** Attachment added: acpi tarball
http://launchpadlibrarian.net/9255072/l400_acpi.tar
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
You received this bug notification because you are a member of Ubuntu
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** Changed in: linux-source-2.6.22 (Ubuntu)
Assignee: Brian Murray = Ubuntu Kernel ACPI Team
Status: Incomplete = Triaged
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
You received this bug notification because you are a member of Ubuntu
Of course just after I posted the last comment, it doesn't work on -9
either anymore after a number of upgrades, so now I'm guessing it's a
combination of different pacakges not communicating effectively. Ugh.
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CPU fan no longer runs after upgrade to Gutsy
This problem recurred some time ago, but I was attempting to
troubleshoot it further before reopening. I downgraded HAL several
revisions with no affect. . With all other packages current, the fan
works properly with the -9 kernel. It does not work with either -10 or
-11, so I'm pretty certain
Marking this back to NEW as the fan no longer runs after the initial
boot.
** Changed in: linux-source-2.6.22 (Ubuntu)
Status: Invalid = New
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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And now it runs again after updating acpi and hal to the latest just
now. Back to invalid
** Changed in: linux-source-2.6.22 (Ubuntu)
Status: New = Invalid
--
CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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My fan problem is solved, but in a rigorous way. Originally I worked
with 7.0.4 upgraded from 6.10 when the fan did not work. I backed up my
data and through off everything and installed a clean Feisty 7.0.4. Now
everything is working fine. An other problem I had has been solved as
well. It was
Marking invalid because my fan came back in Gutsy without a new kernel,
so wherever the problem was, it wasn't the kernel. Works now in any
case.
** Changed in: linux-source-2.6.22 (Ubuntu)
Assignee: Ubuntu Kernel ACPI Team = (unassigned)
Status: Triaged = Invalid
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CPU fan no
** Changed in: linux-source-2.6.22 (Ubuntu)
Importance: Undecided = Medium
Assignee: (unassigned) = Ubuntu Kernel ACPI Team
Status: New = Triaged
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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Still no fan with 2.6.22-9-386
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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I have Feisty 7.0.4 running on a Dell Latitude L400 as well and I
noticed, that the cooling fan only switches on for a few seconds at
start up. Than it stops and does not start anymore although the CPU
temperature used to go up to 80 C and more. Sometimes it is getting so
hot that the laptop
Odd as the fan worked for me under 7.04, it's just since the upgrade to
Gutsy that I've had a problem.
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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** Attachment added: dmesg.log
http://launchpadlibrarian.net/8552854/dmesg.log
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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** Attachment added: lscip-vvnn.log
http://launchpadlibrarian.net/8552859/lspci-vvnn.log
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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** Attachment added: uname-a.log
http://launchpadlibrarian.net/8552863/uname-a.log
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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** Attachment added: version.log
http://launchpadlibrarian.net/8552870/version.log
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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Added since this is may be ACPI related.
** Attachment added: dmidecode.log
http://launchpadlibrarian.net/8553073/dmidecode.log
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CPU fan no longer runs after upgrade to Gutsy
https://bugs.launchpad.net/bugs/127772
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