[syslinux] Unable to boot Linux kernel in from Syslinux 6.00-pre efi64

[Matt Fleming]

On Mon, 2013-01-07 at 23:01 +0100, Geert Stappers wrote:
> On Sun, Dec 09, 2012 at 02:51:05PM +0100, Geert Stappers wrote:
> > On Sun, Dec 09, 2012 at 06:34:15PM +0530, Keshav P R wrote:
> > > Hi,
> > >      Line 762 of efi/main.c (git firmware branch) should be changed to
> > > 
> > > if (hdr->version < 0x20b) {
> > 
> > diff --git a/efi/main.c b/efi/main.c
> > index 754cbc5..df432d7 100644
> > --- a/efi/main.c
> > +++ b/efi/main.c
> > @@ -758,9 +758,9 @@ int efi_boot_linux(void *kernel_buf, size_t kernel_size,
> >         if (hdr->version < 0x20a || !hdr->relocatable_kernel) {
> >                 printf("bzImage version 0x%x unsupported\n", hdr->version);
> >                 goto bail;
> >         }
> > -       if (hdr->version >= 0x20b) {
> > +       if (hdr->version < 0x20b) {
> >                 printf("bzImage version 0x%x handover protocol unimplemented \n", hdr->version);
> >                 goto bail;
> >         }
> > 
> > 
> > > 
> > > Without this change syslinux efi64 gives out "handover protocol
> > > unimplemented error" and fails to boot. With this change syslinux boots the
> > > kernels fine (tested with 3.6.9 and 3.7rc6 kernels). Please fix this.
> > > Thanks in advance.
> > > 
> > > Regards.
> > > 
> > > Keshav
> > 
> 
> Now there is http://www.syslinux.org/commit/c5f62920d2a8ffba0e9c3282403a8676c6073de5
> 
> 
> Hope this helps

Thanks Geert. I tried to find this thread yesterday but had no such
luck.

-- 
Matt Fleming, Intel Open Source Technology Center