On 11/25/2013 05:41 PM, Gerardo Exequiel Pozzi wrote:

Avoiding different issues like instant reboot or error messages.

This ensure that isolinux.bin is located on the most low extent possible (LBA 34) just after boot.cat (LBA 33).

Directory listing of /ISOLINUX/ d--------- 0 0 0 2048 Nov 25 2013 [ 21 02] . d--------- 0 0 0 2048 Nov 25 2013 [ 19 02] .. ---------- 0 0 0 2048 Nov 25 2013 [ 33 00] BOOT.CAT;1 ---------- 0 0 0 38912 Nov 25 2013 [ 34 00] ISOLINUX.BIN;1

More details at http://www.syslinux.org/archives/2013-November/021169.html

Signed-off-by: Gerardo Exequiel Pozzi --- archiso/mkarchiso | 1 + 1 file changed, 1 insertion(+)

diff --git a/archiso/mkarchiso b/archiso/mkarchiso index 9655167..434ca1f 100755 --- a/archiso/mkarchiso +++ b/archiso/mkarchiso @@ -409,6 +409,7 @@ command_iso () { -no-emul-boot -boot-load-size 4 -boot-info-table \ -isohybrid-mbr ${work_dir}/iso/isolinux/isohdpfx.bin \ ${_iso_efi_boot_args} \ + --sort-weight 1 isolinux/isolinux.bin \ -output "${out_dir}/${img_name}" \ "${work_dir}/iso/" _msg_info "Done! | $(ls -sh ${out_dir}/${img_name})"

OK, finally found the offending commit after many many tests[#1] burning differents ISOs. The cause and bug is trivially fixed: ---- diff --git a/core/isolinux.asm b/core/isolinux.asm index bd4e9556922d..c4db4133e274 100644 --- a/core/isolinux.asm +++ b/core/isolinux.asm @@ -420,7 +420,7 @@ MaxLMA equ 384*1024 ; Reasonable limit (384K) call getlinsec pop eax pop cx - mov dx,cx + movzx edx,cx pop bp pop bx ---- @Tobias: Could you rebuild syslinux with patch [#2] included? Thanks! [#1] http://www.syslinux.org/archives/2013-November/021187.html [#2] http://www.syslinux.org/archives/2013-November/021189.html -- Gerardo Exequiel Pozzi \cos^2\alpha + \sin^2\alpha = 1