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Powerbook heat issues/sudden power off with 2.6.10 series
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bruda
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Joined: 06 May 2004
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Location: Sherbrooke, QC, Canada

PostPosted: Tue Feb 22, 2005 2:08 am    Post subject: Powerbook heat issues/sudden power off with 2.6.10 series Reply with quote

Hi,

I am not sure whether I am getting the interpretation right, but here is the problem: My Tibook (rev III aka DVI, not Alubook) seems to run hotter with the 2.6.10-gentoo-r6 (same thing with r4) than it used to run with previous kernels. Heat is of course a subjective matter, but I also notice that the display feels worse (the backlight has been having slight problems for a year or more, which are now aggravated with 2.6.10) and I had two occurrences of the machine powering off suddenly (and I mean power off, not a normal shutdown). Again, this never happened with older kernels. Just for the record (and in case my Tibook is dying a slow death), I plan now to boot an older kernel and see once more whether these issues persist.

I don't have CONFIG_THERM_ADT746X enabled in my kernel (but then this was not enabled in older kernels either), which should not matter since this is for newer Powerbooks, right?

My question in the meantime is: has anybody noticed anything similar? Did anything changed in the kernel that could be related to this problem? As far as I know Tibooks have hardware-controlled fans, so I am a bit puzzled by the effect this kernel upgrade causes (if it si indeed a cause of the kernel upgrade).

Thanks in advance for any ideas (wild guesses are also accepted gladly).
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