On Sun, 2012-11-04 at 17:44 +0000, Corentin Chary wrote: > 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 ? I don't know whether or not SABI exists on these machines and I don't have one of them to try and figure that out, sorry. -- Matt Fleming, Intel Open Source Technology Center -- 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
