Fan control broke in 2.6.27-11
Bug #354732 reported by
Rob Glenn
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Invalid
|
Medium
|
Bryan Wu |
Bug Description
Binary package hint: linux-image-
After resume from suspend, the fan in my laptop runs continuously at full speed regardless of CPU load. I have an HP 2230s laptop with ubuntu 8.10 installed.
Fan behavior returns to normal after plugging in the AC, but that's not really a suitable workaround.
I tried rebooting with the previous kernel version (2.6.27-9) and the fan worked correctly after suspend/resume, without any need to plug in the AC. So this appears to be due to a change in the most recent version.
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Hi Rob,
Thanks for reporting this regression. I'm tagging this "regression- update" . The Jaunty 9.04 release is set to come out at the end of the month. I'm curious if you could confirm if the issue exists with this release as well. You should be able to test suspend using a LiveCD - http:// www.ubuntu. com/testing/ jaunty/ beta . Please let us know. Thanks.