@jesus
Do
# sudo service i8kmon stop
That will allow you to regain control of the fans with i8kfan.
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https://bugs.launchpad.net/bugs/1331251
Title:
[Dell Studio 1558]
While not officially supporting Dell Studio laptops in the past,
previous versions of Ubuntu (= 11.10) and previous kernels had support
for i8k on my device.
Manually inserting gives the message No such device. Forcing it causes
a kernel panic.
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@Joseph:
Sorry for the late response. I've been busy.
I downloaded and installed that kernel that you linked.
It unfortunately did not resolve my problem.
I recieved the same error messages as before (no /proc/i8k).
Was Dell Laptop support enabled when you compiled?
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@Joseph
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/log/?qt=grepq=i8k
It appears to be this commit:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f36fdb9f0266811ee27140acc6ac5ff21199b159
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Public bug reported:
On previous versions of Ubuntu, I could use i8kfan to control the fans
on my laptop. I am usually up to compiling lp:inkscape , and when my fan
speed decreases while compiling, that is a problem. A big problem, in
fact.
Now, on 14.04 with kernel 3.13.0-29-generic, I can no
Christopher,
I performed these steps, in the order that they were listed:
1. Uninstall i8kutils
2. Download and install the upstream Utopic kernel
3. Reboot
At this point, I heard the fan turn on high, and assumed that this was
related to the uninstallation of i8kutils. Surely enough,
Worked on previous versions of Ubuntu — if you have older kernel
versions installed, test those!
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Tested with archived kernel versions:
- 3.0.0-12-generic
- 3.2.0-60-generic
- 3.13.0-24-generic
- 3.13.0-27-generic
- 3.13.0-29-generic (default)
Could not regain control of i8k on any of these kernels running Ubuntu
14.04. However, I was able to control the fans with i8kfan in previous
versions
i8kutils works with the upstream kernel. i8kfan runs the fan for about
4 seconds, then immediately drops it back down to 0. However, this is a
good improvement over the intermittent segfaulting previously.
** Tags removed: kernel-unable-to-test-upstream
** Tags added: kernel-fixed-upstream
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Unfortunately, my laptop cannot at all control its fan with the upstream
kernel. It starts, and then intermittently stops, even when the CPU is
over the 80*C threshold. This is not acceptable.
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