On Fri, Mar 15, 2013 at 12:29 AM, Jani Nikula
wrote:
> I've never used the acpi_osi= kernel parameter, but it looks like you
> could workaround this with acpi_osi="!Windows 2012". Please check that
> running the "bad" kernel.
I find out that I just can't set the acpi_osi="!Windows 2012" properly
On Fri, Mar 15, 2013 at 12:29 AM, Jani Nikula
wrote:
> Fun. The BIOS seems to ask for zero backlight. Maybe it means something
> else for Windows 8. White is the new black or something.
I did some experiment, I go to intel_backlight directory.
It show brightness is 4648, but actual_brightness is
On Fri, Mar 15, 2013 at 12:29 AM, Jani Nikula
wrote:
> I've never used the acpi_osi= kernel parameter, but it looks like you
> could workaround this with acpi_osi="!Windows 2012". Please check that
> running the "bad" kernel.
That did not work for me. Still have black screen on the tip of git.
I
On Thu, 14 Mar 2013, Chris Li wrote:
> Hi, I attach the two demsg and with and without the bad commit
> on the intel nightly branch. Without the bad commit it actually works.
> However, on the tip of intel nightly. the moeset work around does not work
> there any more.
Hi Chris, thanks for the dm
On Mon, Mar 11, 2013 at 6:16 AM, Jani Nikula
wrote:
> Interesting snippets from your dmesgs:
>
> 1) good
>
> [0.00] Linux version 3.6.0-rc6+ (chr...@ideapad.lan) (gcc version
> 4.7.2 20121109 (Red Hat 4.7.2-8) (GCC) ) #25 SMP Wed Feb 20 12:55:06 PST 2013
> ...
> [5.341431] [drm:intel_
On Tue, 05 Mar 2013, Chris Li wrote:
> On Mon, Mar 4, 2013 at 3:16 PM, Chris Li wrote:
Two things to test:
- Can you please check whether any of the backlight drivers in
/sys/class/backlight does anything? You need to frob the brightness
file. Please also list all the drivers
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