On Tue, 11 Feb, at 11:00:52AM, Madper Xie wrote: > it doesn't help, seems the same panic output: OK, thanks for testing so quickly. > [ 0.001341] BUG: unable to handle kernel paging request at ffffffffff340003 > [ 0.008339] IP: [<ffffffff81a73794>] efi_bgrt_init+0x9d/0x133 > [ 0.014111] PGD 28fb067 PUD 28fd067 PMD 2bef067 PTE 9376e01800000163 Thinking about this a bit harder that PTE is invalid because bits 52-63 are not zero, which is exactly the problem you were hitting prior to -rc2, namely that the physical BGRT address is bogus. Can you post the EFI memory map entries from a dmesg? I just want to make sure that it really is the BGRT address that is broken and not something else. Also, please post the ACPI: BGRT entry from your dmesg too. Thanks. -- 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
