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Correct base's type to match its initialization from prot_mode_base and passage to syslinux_memmap_find(). Tested with extlinux. Signed-off-by: Scot Doyle <lkml14 at scotdoyle.com> --- com32/lib/syslinux/load_linux.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/com32/lib/syslinux/load_linux.c b/com32/lib/syslinux/load_linux.c index 06ae2a9..ac73729 100644 --- a/com32/lib/syslinux/load_linux.c +++ b/com32/lib/syslinux/load_linux.c @@ -155,8...

...r->code32_start is updated, it is pointing to the wrong execution start location, random code is executed and the machine is rebooted. Restore the old behavior by assigning prot_mode_base the value of base. Tested on a machine that exposed this behavior. Signed-off-by: Scot Doyle <lkml14 at scotdoyle.com> --- This patch may be applied in addition to "load_linux: correct a type" com32/lib/syslinux/load_linux.c | 1 + 1 file changed, 1 insertion(+) diff --git a/com32/lib/syslinux/load_linux.c b/com32/lib/syslinux/load_linux.c index 06ae2a9..5cecef4 100644 --- a/com32/lib/syslinux...

On Sun, 8 Feb 2015, Ady wrote: ... > There have been discussions and/or reports somewhat related to this > matter during 2013 (Mar-Dec), and reports about failing to boot some > kernels with Syslinux 6.03 (2014Q4). > > The topics involved: > > _ Kernels with no protected-mode code (e.g. grub's kernel lnxboot.img > initrd=core.img) > _ bzImage and zImage files

A Toshiba CB35 Chromebook running Google's stock SeaBIOS reboots after selecting a relocatable kernel from extlinux 6.03. This is a regression caused by commit 8f470e7b movebits: Add syslinux_memmap_find() which factors syslinux_memmap_find() out of bios_boot_linux(). Prior to the refactoring, prot_mode_size was passed as the length in the first call to syslinux_memmap_type(). After

On Sat, 7 Feb 2015, Ady via Syslinux wrote: > Thank you for this meaningful report. Ideally, I would suggest > performing a similar test (at least with the same kernel built with all > the above "config_*=y" settings) with official pre-built Syslinux > versions 4.07 and 3.86 (remembering that all Syslinux-related files, > including c32 modules, if being used, shall

On Fri, 6 Feb 2015, Ady wrote: ... > Testing with public popular kernels that are known to work (so to > compare the behavior) might be useful too, but I don't know of any > particular kernels to suggest for such tests. Right, I've confirmed boot failure using CONFIG_RELOCATABLE with unmodified Linux 3.12.24, 3.13, 3.15, 3.18, and 3.19-rc7 kernels. > I know that for

On Fri, 6 Feb 2015, Ady wrote: > ... > But if we are talking about Chromebooks with SeaBIOS, are we talking > about booting kernels in CSM mode? Or in UEFI mode? > > Other than Chromebooks with (stock) SeaBIOS, is this new reported > behavior also seen under other cases / hardware / firmware / kernels > (versions)? Hi Ady, With a clone of the git repo on kernel.org I run