On Sun, Nov 4, 2012 at 5:35 PM, Matt Fleming <matt@xxxxxxxxxxxxxxxxx> wrote: > From: Matt Fleming <matt.fleming@xxxxxxxxx> > > We've started getting reports of users seeing Machine Check Exceptions > when booting their Samsung laptops in UEFI mode, > > https://bugzilla.kernel.org/show_bug.cgi?id=47121 > > This module seems to be the culprit as it's grovelling around in the > 0xf0000 region which has no mapping in either the e820 or EFI memory > maps on the affected machines. > > Reported-by: Alessandro Crismani <alessandro.crismani@xxxxxxxxx> > Reported-by: Mikhail Bakhterev <mike.bakhterev@xxxxxxxxx> > Tested-by: Patrick H <kernel@xxxxxxxxxxxx> > Cc: H. Peter Anvin <hpa@xxxxxxxxx> > Cc: Matthew Garrett <mjg@xxxxxxxxxx> > Cc: Corentin Chary <corentincj@xxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > Signed-off-by: Matt Fleming <matt.fleming@xxxxxxxxx> > --- > drivers/platform/x86/Kconfig | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig > index c86bae8..0fe5200 100644 > --- a/drivers/platform/x86/Kconfig > +++ b/drivers/platform/x86/Kconfig > @@ -717,7 +717,7 @@ config XO15_EBOOK > > config SAMSUNG_LAPTOP > tristate "Samsung Laptop driver" > - depends on X86 > + depends on X86 && !EFI > depends on RFKILL || RFKILL = n > depends on BACKLIGHT_CLASS_DEVICE > select LEDS_CLASS > -- > 1.7.11.7 > Acked-by: Corentin Chary <corentin.chary@xxxxxxxxx> Matthew could you merge this in your tree ? Thanks. Matt, any idea if SABI doesn't exist on these machines, or is just mapped somewhere else ? By any luck, could Samsung tell you how to safely detect SABI aware machines ? -- Corentin Chary http://xf.iksaif.net -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
