[OE-core] [v2 PATCH 4/7] syslinux.bbclass, syslinux: Update to syslinux 6.01

Martin Jansa martin.jansa at gmail.com
Sat Sep 14 13:16:45 UTC 2013

On Sat, Sep 14, 2013 at 07:19:43AM -0500, Jason Wessel wrote:
> On 09/14/2013 03:05 AM, Martin Jansa wrote:
> > On Fri, Sep 13, 2013 at 07:09:00PM -0500, Jason Wessel wrote:
> >> A newer version of syslinux is required for an EFI enabled isohybrid.
> >> This is used for the the capability to generate 3 types of ISO images,
> >> all of which can be booted off a USB device or HDD if copied with dd.
> >>
> >> 1) PC BIOS only ISO
> >> 2) EFI only ISO
> >> 3) EFI + PC BIOS ISO
> >>
> >> The syslinux.bbclass required a minor tweak because ldlinux.c32 is
> >> dynamically loaded and needs to be in the created media as of syslinux
> >> 5 and up.
> >
> > Hi Jason,
> >
> > can you please look at
> > https://bugzilla.yoctoproject.org/show_bug.cgi?id=3944
> > ?
> I can look at fixing the defect, but there is no description of how to use the directdisk to see the problem.  Could you provide an example?
> I added the directdisk to IMAGE_FSTYPES, but didn't get a .directdisk in the deploy directory so that is not how it works.   Also I think the right solution is to simply call syslinux_hddimg_populate() from the directdisk class vs having copied code for the install of the syslinux specific files (that is how 1/2 the problem occurred in the first place).
> Back to this particular patch, the ldlinux.c32 change does not affect the bootdirect class.  The ldlinux.c32 is only required for isolinux and the copy is contained with in the inherited syslinux class.

You can reproduce it by adding vmdk to IMAGE_FSTYPES and building e.g.
qemux86 and trying to boot it in VirtualBox.

It will always enable tty0 and only way to disable it now is to enable
menu, but that doesn't work with vmdk images because of missing

Martin 'JaMa' Jansa     jabber: Martin.Jansa at gmail.com
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