[coreboot] kernel panics reserving EBDA pages
yinghailu at gmail.com
Thu Jul 24 02:05:29 CEST 2008
On Wed, Jul 23, 2008 at 4:23 PM, Marc Jones <Marc.Jones at amd.com> wrote:
> Roman Kononov wrote:
>> This patch fixes the EBDA mislocation problem. Thank you, Yinghai.
>> The change in coreboot_table.c is not strictly necessary. It removes
>> some redundancy and confusion.
>> The change in tables.c protects the legacy x86 BIOS data segment
>> (0x400-0x4ff) from being used for storing coreboot tables. Some bytes
>> from the segment are used by the kernel and should not be garbled.
>> Signed-off-by: Roman Kononov <kononov at dls.net>
> Wow, I am surprised we didn't see this failure sooner. I guess we were
128 cpus on simNow....because mptable is some big to overwrite 0x467...
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