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Will final version of 12.04 use the power management changes found in kernel 3.3

I haven't been able to use 11.10 as it seriously overheats the Laptop. I haven't been alone in this as many others face this problem. Canonical recognized this problem and included a couple of tweaks in the Linux Kernel 3.2 which is used by 12.04. As final release is only 3 days away I will like to know if this problem has been dealt with in 12.04. Thanks in advance

HP Pavilion DV6700 Notebook Intel Core 2 Duo 2.0Ghz 4GB RAM Intel Mobile 965GM Chipset

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Please could you mention by way of a link, your preferred method for measuring temperatures of whatever is overheating? –  user25656 Apr 23 '12 at 11:49
    
@vasa1 system overheats so much in 11.10 that I can't now boot into 11.10 as I fear I may damage the system. The massive hike in temperature was so clear as the area for resting of palms during typing was untouchable –  Mysterio Apr 23 '12 at 12:17
    
Okay, if you have the laptop that hot, I can't say the same for my laptop. I've been running 11.10 from the time it was released and have now moved to the 12.04 RC without problem. My laptop is a Dell Inspiron 1545. –  user25656 Apr 23 '12 at 15:16
    
Mine is a HP Pavilion DV6700, Intel Core 2 Duo 2.0ghz, Intel mobile i965 (x3100), 4gb RAM –  Mysterio Apr 23 '12 at 17:11
    
It would be useful if you included the laptop specs in the question so that people know which models possibly have this problem. –  user25656 Apr 24 '12 at 2:02
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marked as duplicate by Jorge Castro, jrg Apr 25 '12 at 0:56

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1 Answer

Can't really say for sure (as I haven't tested it myself), but judging by the following links, it might be fixed:

"This change hasn't been pulled into the Linux 3.2 stable series or any other stable releases as Greg Kroah-Hartman was first interested in seeing more extensive testing. Canonical, however, has already pulled this into their Linux 3.2 kernel for the forthcoming Ubuntu 12.04 LTS release." - http://www.phoronix.com/scan.php?page=news_item&px=MTA0MTM

http://www.phoronix.com/scan.php?page=article&item=linux_31_power_regress&num=1

Ubuntu 12.04 will most likely contain "the 3.2.0-20.33 Ubuntu kernel which is based on the v3.2.12 upstream stable Linux kernel" - https://wiki.ubuntu.com/PrecisePangolin/TechnicalOverview/Beta2

Here is the corresponding bug for 12.04 on Lanchpad, according to which it's not yet fixed and requires some manual tweaking - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/913886

I'd guess that it might be still not fixed.

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This bug is really critical! I can't use 11.10 because of this bug and it affects so many people too –  Mysterio Apr 23 '12 at 12:02
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Date for that comment is 2012-01-10: A lot has changed since then. I also read that the Ubuntu kernel for 12.04 final release has included the RC6 fix –  Mysterio Apr 23 '12 at 12:41
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