linux-kernel - Re: EFI tree kernel panic in phys_efi_set_virtual_address

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Date:	Thu, 12 Dec 2013 13:44:14 -0700
From:	Toshi Kani <toshi.kani@...com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	linux-kernel@...r.kernel.org, linux-efi@...r.kernel.org,
	x86@...nel.org
Subject: Re: EFI tree kernel panic in phys_efi_set_virtual_address_map()

On Thu, 2013-12-12 at 21:35 +0100, Borislav Petkov wrote:
> On Thu, Dec 12, 2013 at 10:36:17AM -0700, Toshi Kani wrote:
> > BTW, the test system is shared and will be used by other test for a
> > couple of hours or so. So, please take your time. :-)
> 
> Yeah, ok :-)
> 
> I went and polished the debugging patch a bit more - it seems we're
> going to need it more often now, should probably send it up too :)
> 
> Right, so the pagetable dump shows that the new_memmap is not mapped in
> it, thus the #PF.
> 
> Ok, so next try: let's dump the pagetable after we've copied the pgd
> containing new_memmap. Same exercise as before, please.

Will do.

Thanks,
-Toshi


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