[CentOS] CentOS 6 - Does EFI have an impact beyond the boot sequence?

2012-10-15 Thread Mathieu Baudier
Hello, I am using an up to date CentOS 6 x86_64 laptop (Thinkpad X220t) and after struggling a bit I could install it a few months ago with a pure EFI boot. However, I am not really satisfied with such things as stability, power consumption, etc. and now that I have a little more time I want to

Re: [CentOS] CentOS 6 - Does EFI have an impact beyond the boot sequence?

2012-10-15 Thread Nux!
On 15.10.2012 09:31, Mathieu Baudier wrote: Hello, I am using an up to date CentOS 6 x86_64 laptop (Thinkpad X220t) and after struggling a bit I could install it a few months ago with a pure EFI boot. However, I am not really satisfied with such things as stability, power consumption,

Re: [CentOS] CentOS 6 - Does EFI have an impact beyond the boot sequence?

2012-10-15 Thread Karanbir Singh
Hi, On 10/15/2012 09:31 AM, Mathieu Baudier wrote: I am using an up to date CentOS 6 x86_64 laptop (Thinkpad X220t) and after struggling a bit I could install it a few months ago with a pure EFI boot. Are you sure it wasent doing a bios failback ? I'd be surprised to see a device like that

Re: [CentOS] CentOS 6 - Does EFI have an impact beyond the boot sequence?

2012-10-15 Thread Karanbir Singh
Hi, Not sure about the EFI as I'm avoiding it as the plague, but on Intel platforms there are some issues regarding power consumption. Here's what I do: http://www.nux.ro/archive/2012/10/EL6_power_usage_optimisation_on_Intel_Sandy___Ivy_Bridge.html that article looks quite out of date,

Re: [CentOS] CentOS 6 - Does EFI have an impact beyond the boot sequence?

2012-10-15 Thread Nux!
On 15.10.2012 10:45, Karanbir Singh wrote: Hi, Not sure about the EFI as I'm avoiding it as the plague, but on Intel platforms there are some issues regarding power consumption. Here's what I do:

Re: [CentOS] CentOS 6 - Does EFI have an impact beyond the boot sequence?

2012-10-15 Thread Gordon Messmer
On 10/15/2012 03:21 AM, Nux! wrote: Why outdated? I just wrote it! :-)) I've tested those directions on a new Thinkpad (T430s) after finding them posted in many places and found no measurable power use difference. Using powertop, however, does produce significant improvements. The most

Re: [CentOS] CentOS 6 - Does EFI have an impact beyond the boot sequence?

2012-10-15 Thread Gordon Messmer
On 10/15/2012 01:31 AM, Mathieu Baudier wrote: - Does EFI impacts other things than the boot sequence? (a friend of mine told me that this is a complete replacement of BIOS, and thus impacts everything) EFI will primarily impact driver initialization. If you saw a problem, it would be during