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Hi, sorry for the late answer, I'm quite busy these days.

Le 21/08/2017 à 13:27, Wolf Rogner a écrit :
> Mind: deinstalling eliminates a set of issues (see above).

Which issues did it eliminate exactly ? From what I can tell:

> higher CPU load (not only in Firefox)

It's the first time I hear about this one.

> not fully charged battery on laptops (stops at 94% of capacity)

This may be related to battery charge thresholds, but the default TLP
configuration doesn't change them. Some questions to narrow down the
problem :

- - Which model of ThinkPad do you have ?
- - Did you change those thresholds by other means ? Please check
/etc/sysfs.conf and snippets under /etc/sysfs.d
- - Do you dual boot Windows on this machine, and have Lenovo power
manager installed in it ?

> kicks in fans arbitrarily (even when CPU temp is below average
> normal state)

I'm pretty sure it has nothing to do with TLP. I have this problem on
two distinct X200 and uninstalling TLP didn't fix it. Unfortunately I
noticed this problem after a long time and I'm not sure what change on
my machines caused it, it may be a kernel upgrade (I noticed it after
upgrading to Debian Jessie). I also noticed that, when unplugged from
AC, after a while, the fan calms down, but the problem comes back after
re-plugging. If you can tell me more I'm interested.

> terminates bluetooth connections every 2 mins

This is a known problem and it's more or less fixed by version 1.0 of
TLP (which I had uploaded by my sponsor in Debian Unstable, but
unfortunately didn't make it in Artful before the sync freeze). When
it will be synced to Ubuntu, you may request a backport (but don't
take my word on that, I'm not sure of how the process works for
Ubuntu, the package may need to hit a stable release first;
documentation I found on the web only states "from within the Ubuntu
repositories"). In the meantime, you could use packages from
upstream's PPA. In any case, you'll have to set the new option
USB_BLACKLIST_BTUSB to 1.

> terminates network connections every 2-5 mins

I'm really not sure about this one. Maybe change the value of
PCIE_ASPM_ON_BAT or various RUNTIME_PM* options ?

> Maybe you check whether machine is a thinkpad and only install
> then.

No. TLP works on all kind of laptops. The only ThinkPad-specific
features are the ones related to battery (dis)charge thresholds.

Regards,

- -- 
Raphaël Halimi
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Title:
  Slow Firefox performance and high CPU load when tlp is installed

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