Messages in this thread | | | Date | Thu, 6 Feb 2014 00:15:40 +0100 | From | Borislav Petkov <> | Subject | Re: [BUG] Linux 3.14 fails to boot with new EFI changes |
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On Wed, Feb 05, 2014 at 03:45:36PM -0600, Alex Thorlton wrote: > While working on an answer to this question, I ran across another issue > on some newer hardware, that looks like it's definitely related to this > problem, and might be the root cause. > > When booting on a UV2 we die in efi_enter_virtual_mode: > > BUG: unable to handle kernel paging request at 0000008f7e848020 > IP: [<000000007dadb6a9>] 0x7dadb6a8 > PGD 0
That looks very much like this other issue we're debugging right now:
http://marc.info/?l=linux-kernel&m=139115794830637
> CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.11.0-medusa-00038-gd2f7cbe #821
...
> Let me know what other information you need and I'll get it to you ASAP.
You could try to boot latest linus + Matt's 'next' branch ontop and see whether it is exploding. I'd venture a guess and say yes but a whole dmesg with CONFIG_EFI_PGT_DUMP and pagetable dump might still give us some clues.
Thanks.
-- Regards/Gruss, Boris.
Sent from a fat crate under my desk. Formatting is fine. --
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