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Re: grub_efi_finish_boot_services not spec-compliant
From: |
Andrey Borzenkov |
Subject: |
Re: grub_efi_finish_boot_services not spec-compliant |
Date: |
Sun, 24 Feb 2013 09:13:20 +0400 |
В Sat, 23 Feb 2013 20:35:17 -0800
Seth Goldberg <address@hidden> пишет:
> Hi there,
>
> On some systems, ExitBootServices() will fail due to a change in the memory
> map during execution of the boot services call. The UEFI spec says that in
> that event, GetMemoryMap() should be repeated, then the new key passed to
> another call to ExitBootServices(). Note that the spec doesn't give an upper
> bound on the number of times to do this dance. The logic in
> grub_efi_finish_boot_services() just tries once, leading to a failure to
> properly shut down boot services and various issue booting UEFI-compliant
> operating systems.
>
I have seen reports about ELILO failing due to changed memory map too,
but ELILO does retry GetMemoryMap() and still fails
(https://bugzilla.novell.com/show_bug.cgi?id=800035). Did you test if
increasing number of attempts to get memory map fixes it in your case?
What hardware is it?