On 17/03/17 20:23, Mark Rutland wrote:
On Fri, Mar 17, 2017 at 07:48:08PM +0100, Andre wrote:
it's a MP30-AR1 board from Gigabyte with a X-Gene 1 SoC.
The firmware is the latest release F01.
But as I wrote in my original post this doesn't happen with
GRUB2-EFI, so I don't believe that it is a firmware issue.
While it may seem unlikely, I believe that it is.
Some FW [1] has been seen to erroneously disable the MMU within
ExitBootServices().
If it does this before sending a EVT_SIGNAL_EXIT_BOOT_SERVICES event,
which ipxe has registered a handler for, it could result in precisely
the issue seen here.
Thank you!
Andre: could you provide the linker map
(bin-arm64-efi/snponly.efi.tmp.map) from the same build as the binary
that you are using?
Thanks,
Michael
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