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