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SubjectRe: [BUG] can't boot up: unable to handle kernel paging request at ffffffffff340003
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


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