[syslinux] no boot, no message

[Jorge Almeida]

On Thu, Jul 7, 2016 at 8:00 AM, Ady Ady via Syslinux <syslinux at zytor.com> wrote:
>

>>
> We would need at least:
>
> A_ the partitions and directory structure in which the following items
> are _located_ :

/dev/sda1:

#  tree .
.
├── extlinux
│   ├── ldlinux.c32
│   ├── ldlinux.sys
│   ├── libcom32.c32
│   ├── libmenu.c32
│   ├── libutil.c32
│   ├── menu.c32
│   ├── poweroff.c32
│   ├── poweroff.com
│   ├── reboot.c32
│   ├── syslinux.cfg
│   ├── syslinux.cfg~
│   └── vesamenu.c32
├── gentoo
│   ├── vmlinuz -> vmlinuz-3.16.2
│   └── vmlinuz-3.16.2
├── lost+found
└── slackware
    └── vmlinuz-huge-4.4.14

4 directories, 15 files

#  cat syslinux.cfg
#UI menu.c32
DEFAULT menu.c32
#UI vesamenu.c32
#DEFAULT gentoo
#DEFAULT slack64
PROMPT 0
MENU TITLE Boot Menu
#MENU BACKGROUND default_blue.png
MENU RESOLUTION 1024 768
#MENU HIDDEN
#MENU HIDDENKEY Space
# hwinfo --framebuffer  (to find which resolutions are acceptable)
TIMEOUT 50

MENU WIDTH 78
MENU MARGIN 4
MENU ROWS 5
MENU VSHIFT 10
MENU TIMEOUTROW 13
MENU TABMSGROW 11
MENU CMDLINEROW 11
MENU HELPMSGROW 16
MENU HELPMSGENDROW 29

MENU COLOR border       30;44   #40ffffff #a0000000 std
MENU COLOR title        1;36;44 #9033ccff #a0000000 std
MENU COLOR sel          7;37;40 #e0ffffff #20ffffff all
MENU COLOR unsel        37;44   #50ffffff #a0000000 std
MENU COLOR help         37;40   #c0ffffff #a0000000 std
MENU COLOR timeout_msg  37;40   #80ffffff #00000000 std
MENU COLOR timeout      1;37;40 #c0ffffff #00000000 std
MENU COLOR msg07        37;40   #90ffffff #a0000000 std
MENU COLOR tabmsg       31;40   #30ffffff #00000000 std


LABEL  slack64
        MENU LABEL Slackware 14.2
        LINUX ../slackware/vmlinuz--huge-4.4.14
        APPEND root=/dev/sda7

LABEL gentoo
        MENU LABEL Gentoo
        LINUX ../gentoo/vmlinuz
        APPEND root=/dev/sda2
#       APPEND root=UUID=b2bbb1f8-972f-401c-9515-df3483834185

#
#LABEL gentoo
#       MENU LABEL Gentoo
#       LINUX ../gentoo/vmlinuz
##      APPEND root=/dev/sda1
#       APPEND root=PARTUUID=645c1577-e5d7-41eb-9c43-bfee52088197
#

LABEL gentoo_uuid
        MENU LABEL Gentoo (UUID)
        LINUX ../gentoo/vmlinuz
#       APPEND root=/dev/sda2
        APPEND root=UUID=b2bbb1f8-972f-401c-9515-df3483834185




MENU SEPARATOR

LABEL reboot
        MENU LABEL Reboot
        COM32 reboot.c32

LABEL poweroff
        MENU LABEL Power Off
        COMBOOT poweroff.com

MENU CLEAR


#  gdisk -l /dev/sda
GPT fdisk (gdisk) version 0.8.10

Partition table scan:
  MBR: protective
  BSD: not present
  APM: not present
  GPT: present

Found valid GPT with protective MBR; using GPT.
Disk /dev/sda: 3907029168 sectors, 1.8 TiB
Logical sector size: 512 bytes
Disk identifier (GUID): 3C4B042A-0885-4F86-A10E-FC3F72E25128
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 3907029134
Partitions will be aligned on 2048-sector boundaries
Total free space is 2648225901 sectors (1.2 TiB)

Number  Start (sector)    End (sector)  Size       Code  Name
   1            2048          514047   250.0 MiB   8300  Linux filesystem
   2          514048        42457087   20.0 GiB    8300  Linux filesystem
   3        42457088        84400127   20.0 GiB    8300  Linux filesystem
   4        84400128       503830527   200.0 GiB   8300  Linux filesystem
   5       503830528      1132976127   300.0 GiB   8300  Linux filesystem
   6      1132976128      1174919167   20.0 GiB    8300  Linux filesystem
   7      1174919168      1258805247   40.0 GiB    8300  Linux filesystem


Command (? for help): i
Partition number (1-7): 1
Partition GUID code: 0FC63DAF-8483-4772-8E79-3D69D8477DE4 (Linux filesystem)
Partition unique GUID: C66B0D94-4F3C-47E9-8630-141B5CC37B97
First sector: 2048 (at 1024.0 KiB)
Last sector: 514047 (at 251.0 MiB)
Partition size: 512000 sectors (250.0 MiB)
Attribute flags: 0000000000000004
Partition name: 'Linux filesystem'


#  lsattr extlinux/
---------------- extlinux/poweroff.c32
---------------- extlinux/reboot.c32
---------------- extlinux/libcom32.c32
---------------- extlinux/vesamenu.c32
---------------- extlinux/syslinux.cfg~
----i----------- extlinux/ldlinux.sys
---------------- extlinux/libmenu.c32
---------------- extlinux/syslinux.cfg
---------------- extlinux/libutil.c32
---------------- extlinux/poweroff.com
---------------- extlinux/ldlinux.c32
---------------- extlinux/menu.c32


TIA

Jorge


>
> A1_ each of the kernels + initrd + any other file relevant to the boot
> process and/or mentioned in the syslinux.cfg file;
>
> A2_ the syslinux.cfg file;
>
> A3_ any file related to EXTLINUX, such as "ldlinux.*" and "*.c32"
> modules;
>
> B_ the complete content of the syslinux.cfg file.
>
> Probably by using "PROMPT 1", no TIMEOUT and no (vesa)menu.c32, some
> message might show up. Let's see first the required info.
>
> Regards,
> Ady.
>
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