Re: [PATCH linux-3.1.y] ideapad: Check if acpi already handle backlight power to avoid a page fault

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Jan 10, 2012 at 06:42:56PM -0600, Jonathan Nieder wrote:
> From: René Bollford <xsecute@xxxxxxxxxxxxxx>
> Date: Sun, 23 Oct 2011 09:56:42 +0200
> 
> commit d4afc7754a60b885b63ef23fd194984e2d53a4e6 upstream.
> 
> This patch avoid a page fault in the ideapad-laptop extras when
> turning the backlight power on or off.
> 
> Signed-off-by: Rene Bolldorf <xsecute@xxxxxxxxxxxxxx>
> Signed-off-by: Matthew Garrett <mjg@xxxxxxxxxx>
> Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
> Tested-by: Artem X <artem.brz@xxxxxxxxx>
> ---
> Artem X wrote:
> 
> > I've compiled vanilla 3.1.6 with that patch and turning off blacklight
> > was working.
> 
> This fixes an oops reported by a few people in the new ideapad-laptop
> backlight driver.  See:
> 
>  - http://thread.gmane.org/gmane.linux.kernel/1205259
>  - http://thread.gmane.org/gmane.linux.drivers.platform.x86.devel/2405
>  - http://bugs.debian.org/655377
> 
> Luckily the ideapad-laptop backlight driver was introduced in
> v3.1-rc1~14^2~29, so older kernels do not have this bug.  Fix is
> already included in v3.2.

Now applied, thanks.

greg k-h
--
To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Kernel Development]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux