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Open Source and information security mailing list archives
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Date: Tue, 11 Feb 2014 13:16:40 +0000 From: Matt Fleming <matt@...sole-pimps.org> To: Madper Xie <cxie@...hat.com> Cc: Matt Fleming <matt.fleming@...el.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>, Adam Williamson <awilliam@...hat.com> Subject: Re: [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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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