[syslinux] [PATCH] isohybrid: Generate MBR even when in EFI mode

H. Peter Anvin hpa at zytor.com
Mon Mar 26 14:47:44 PDT 2012

On 02/15/2012 09:12 AM, Matthew Garrett wrote:
> Various EFI systems insist that there be no active flag in the pMBR in
> order to parse the GPT. The only way around this is to also generate a
> valid MBR - the firmware will then pick that up and use the system
> partition provided there. In order to deal with other EFI "sanity" checks,
> the partition type for the non-EFI partitions is set to 0 to skip the
> firmware bailing because of overlapping partitions.
> ---
>  utils/isohybrid.c |   54 ++++++++++++++++++++++++++++++++++++++++++++++++----
>  1 files changed, 49 insertions(+), 5 deletions(-)

Hmmm... this patch doesn't apply to current master.  What baseline is
this from?


More information about the Syslinux mailing list