On 11 March 2013 00:59, Steven Haigh <[log in to unmask]> wrote:
> On 11/03/2013 1:13 AM, Akemi Yagi wrote:
>>
>> On Sun, Mar 10, 2013 at 6:56 AM, Steven Haigh <[log in to unmask]> wrote:
>>>
>>> On 11/03/13 00:52, Akemi Yagi wrote:
>>>>
>>>> On Sun, Mar 10, 2013 at 4:50 AM, Steven Haigh <[log in to unmask]> wrote:
>>>>>
>>>>> Not sure if this has come in from upstream or something local, but it
>>>>> looks
>>>>> like CONFIG_EEEPC_LAPTOP is no longer set in the kernel config. This
>>>>> reduces
>>>>> battery life significantly on Asus EEEPCs loading with linux.
>>>>>
>>>>> Kernel is: kernel-2.6.32-358.el6.x86_64
>>>>> Install is fresh from the SL6.4 Beta 2 iso.
>>>>
>>>> I don't think CONFIG_EEEPC_LAPTOP was ever enabled in the TUV
>>>> (therefore SL as well) kernel. Just for a reference, the CentOSPlus
>>>> kernel has it enabled. But that is a custom kernel, not a distro one.
>>>
>>> Its a bit strange here... the 32 bit kernel has it enabled and built as a
>>> module. The 64 bit kernel has it disabled.
>>>
>>> I'm not quite sure why that is...
>>
>> You are quite right. I only checked the 64-bit kernel.
>
> The problem with this is as it stands (no module for the eeepc), it gets
> ~3.5 hours on battery vs Windows 7 which gets nearly 5 hours. The 'SHE'
> function provided by this module is paramount to getting any kind of decent
> battery life on the Asus EEEPC laptop range.

Please open a bug report, upstream. [1]  Then, as a temporary measure,
consider using the kernel-lt package from the ELRepo Project. [2]
CONFIG_EEEPC_LAPTOP is configured as a module is both 32- and 64-bit
flavours.

Alan.

[1] https://bugzilla.redhat.com/frontpage.cgi
[2] http://elrepo.org/tiki/kernel-lt