Messages in this thread Patch in this message |  | | Date | Thu, 13 Feb 2014 10:55:47 +0000 | From | Matt Fleming <> | Subject | Re: [BUG] can't boot up: unable to handle kernel paging request at ffffffffff340003 |
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On Wed, 12 Feb, at 09:15:03AM, Toshi Kani wrote: > > Hi Matt, > > Yes, I agree that the table size should be 0x38. However, ACPI spec > states that bit0 of status indicates if the boot image graphic is valid. > This bit is set to 0 (invalid) on the system. Can you check this bit > and return when invalid?
Madper, could you try out this patch?
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diff --git a/arch/x86/platform/efi/efi-bgrt.c b/arch/x86/platform/efi/efi-bgrt.c index 4df9591eadad..f15103dff4b4 100644 --- a/arch/x86/platform/efi/efi-bgrt.c +++ b/arch/x86/platform/efi/efi-bgrt.c @@ -42,7 +42,7 @@ void __init efi_bgrt_init(void) if (bgrt_tab->header.length < sizeof(*bgrt_tab)) return; - if (bgrt_tab->version != 1) + if (bgrt_tab->version != 1 || bgrt_tab->status != 1) return; if (bgrt_tab->image_type != 0 || !bgrt_tab->image_address) return; -- Matt Fleming, Intel Open Source Technology Center
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