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Noticed it right away after rebooting. My Intel I5-2400s normally idles at 25 celcius. After the upgrade, it runs around 35-40 celcius. I don't see anything particular in htop that's using it. Downgrading to 3.7.5 solves the problem immediately.
Anything else I should check before filing a bug report?
Last edited by monzer4819 (2013-02-10 02:54:02)
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Do you perhaps use catalyst-dkms with an AMD graphics card? In that case, you need to make sure the dkms service is enabled so that the fglrx module gets rebuilt on boot. (You might need to reboot twice as well.)
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No graphics card used, just the i5 integrated gpu.
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Maybe powertop can provide a useful hint.
Also verify that frequency scaling is active with the following command:
grep MHz /proc/cpuinfo
I'm not sure at what frequency your CPU idles, but you shouldn't see 3100 (MHz) for all four cores.
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Does your BIOS handle your vcore? Can you verify that the each kernel handles it correctly?
CPU-optimized Linux-ck packages @ Repo-ck • AUR packages • Zsh and other configs
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Alright this might be fixed. The second time I installed 3.7.6 I noticed a warning from mkinitcpio that "usbinput" is depreciated and that I should replace it with "keyboard". I didn't catch that last time, (In my defense mkinitcpio puts out a fair bit of output whenever you run it. So I proceeded as instructed, rebooted and wouldn't you have it, cpu temp is back at 25 where it should be.
Since I'm working remotely I have no way to tell if the keyboard is actually working. I'll assume it is, since I see it when I run lssusb.
Thanks for the help.
Archlinux man, love it.
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Unrelated in my opinion.
CPU-optimized Linux-ck packages @ Repo-ck • AUR packages • Zsh and other configs
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Unrelated in my opinion.
I agree, but I feel forced to mark this topic solved since I can't make the problem appear anymore. Even after booting Windows and Linux VM's the cpu temp stabilizes at 25..
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Alright this might be fixed. The second time I installed 3.7.6 I noticed a warning from mkinitcpio that "usbinput" is depreciated and that I should replace it with "keyboard". I didn't catch that last time, (In my defense mkinitcpio puts out a fair bit of output whenever you run it. So I proceeded as instructed, rebooted and wouldn't you have it, cpu temp is back at 25 where it should be.
That can't be it; usbinput is simply an alias (a symlink) to keyboard.
Something else caused the increased temps, but there's very little point in blindly trying to guess what it was.
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@monzer4819: If you do reproduce the issue, run this and upload it somewhere:
# powertop --html=broken.html
If you're experiencing what I think you are, then it could be a regression that has been noticed on a lot of i3/i5/i7 notebooks with intel graphics.
Thinkpad T420 | Intel 3000 | systemd {,--user}
PKGBUILDs I use | pywer AUR helper
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