Messages in this thread Patch in this message | | | Date | Thu, 1 Aug 2013 18:49:27 +0200 | From | Borislav Petkov <> | Subject | Re: Corrupted EFI region |
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On Wed, Jul 31, 2013 at 10:55:27PM +0100, David Woodhouse wrote: > On Wed, 2013-07-31 at 22:54 +0200, Borislav Petkov wrote: > > so I'm seeing this funny thing where an EFI region changes when we enter > > efi_enter_virtual_mode when booting with edk2 on kvm. Here's the diff: > > Perhaps the edk2-devel@lists.sourceforge.net list should be in Cc?
Good idea and message repeated below.
One more thing: I'm using a self-built OVMF with top commit from March:
------------------------------------------------------------------------ r14165 | sfu5 | 2013-03-06 02:42:04 +0100 (Wed, 06 Mar 2013) | 4 lines
Fix a bug that IsSignatureFoundInDatabase() incorrectly computes CertCount.
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Hi guys,
so I'm seeing this funny thing where an EFI region changes when we enter efi_enter_virtual_mode when booting with edk2 on kvm. Here's the diff:
--- before 2013-07-31 22:20:52.316039492 +0200 +++ after 2013-07-31 22:21:30.960731706 +0200 @@ -9,7 +9,7 @@ efi: mem07: type=2, attr=0xf, range=[0x0 efi: mem08: type=7, attr=0xf, range=[0x0000000040000000-0x000000007c000000) (960MB) efi: mem09: type=4, attr=0xf, range=[0x000000007c000000-0x000000007c020000) (0MB) efi: mem10: type=7, attr=0xf, range=[0x000000007c020000-0x000000007e0ad000) (32MB) -efi: mem11: type=4, attr=0xf, range=[0x000000007e0ad000-0x000000007e0cc000) (0MB) +efi: mem11: type=4, attr=0xf, range=[0x000000007e0ad000-0x000000007e0ad000) (0MB) efi: mem12: type=7, attr=0xf, range=[0x000000007e0cc000-0x000000007e0cd000) (0MB) efi: mem13: type=4, attr=0xf, range=[0x000000007e0cd000-0x000000007e55d000) (4MB) efi: mem14: type=3, attr=0xf, range=[0x000000007e55d000-0x000000007e59c000) (0MB) That second boundary of region mem11 suddenly changes *before* we merge the regions. edk2 bug?
Whole dmesg attached.
-- Regards/Gruss, Boris.
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