https://bugzilla.kernel.org/show_bug.cgi?id=33872


Agustianes Suwardi <ane...@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |ane...@gmail.com




--- Comment #20 from Agustianes Suwardi <ane...@gmail.com>  2011-06-01 05:29:55 
---
(In reply to comment #19)
> does this problem go away if you boot with "intel_idle.max_cstate=0"
> to disable the intel_idle driver?
> 
> Any change if you exclude the "ips" driver from the kernel?

I tried this in Archlinux with kernel 2.6.38.6-2:

A. with intel_idle.max_cstate:
   * boot with intel_idle.max_cstate=0 in /etc/sysctl.conf
   * enable laptop-mode
   * pm-suspend
   * resume
   * poweroff
   * --------- hang

B. with intel_idle.max_cstate and ips blacklisted:
   * boot with added 'blacklist ips' in /etc/modprobe.d/modprobe.conf
     and intel_idle.max_cstate=0 in /etc/sysctl.conf
   * enable laptop-mode
   * pm-suspend
   * resume
   * poweroff
   * --------- hang

My hardware is Asus A42JC:
Intel Core i3 M370 2.40 GHz
2 GB DDR3 RAM
NVidia GeForce 310M with Optimus

Also I noticed that my laptop is warmer about 5 deg Celcius than if I run
Windows 7.

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