[U-Boot] booting os 'Unknown OS' (1) is not supported

Alexander Khryukin alexander at mezon.ru
Mon Jan 20 11:33:41 CET 2014


link to my u-boot https://github.com/fedya/u-boot-yse5250

>Please change the boot command and include the commands

Changed to this
bootcmd=md 40800000 10;imi 40800000;bootm 40800000

[YSE5250 at omv]# boot
40800000: 56190527 ba6b0d61 9850d952 08484800    '..Va.k.R.P..HH.
40800010: 00800040 00800040 8a221c4c 00020205    @... at ...L.".....
40800020: 756e694c 2e332d78 302e3331 3863722d    Linux-3.13.0-rc8
40800030: 00000000 00000000 00000000 00000000    ................

## Checking Image at 40800000 ...
   Legacy image found
   Image Name:   Linux-3.13.0-rc8
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    4737032 Bytes = 4626 KiB
   Load Address: 40008000
   Entry Point:  40008000
   Verifying Checksum ... OK
## Current stack ends at 0xc3cfbcc8 *  kernel: cmdline image address =
0x40800000
## Booting kernel from Legacy Image at 40800000 ...
   Image Name:   Linux-3.13.0-rc8
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:    4737032 Bytes = 4626 KiB
   Load Address: 40008000
   Entry Point:  40008000
   Verifying Checksum ... OK
   kernel data at 0x40800040, len = 0x00484808 (4737032)
## No init Ramdisk
   ramdisk start = 0x00000000, ramdisk end = 0x00000000
   Loading Kernel Image ... OK
OK
   kernel loaded at 0x40008000, end = 0x4048c808
ERROR: booting os 'Unknown OS' (1) is not supported




>movi
string from help

movi    - movi  - sd/mmc r/w sub system for SMDK board

and same command for o-droid
http://lists.denx.de/pipermail/u-boot/2013-February/146047.html




2014/1/20 Wolfgang Denk <wd at denx.de>

> Dear Alexander Khryukin,
>
> In message <
> CABtOAfz3e-Ee3V73tH6U4bjsqixU6SY3h1TdNG2fx-PhDf0sjg at mail.gmail.com> you
> wrote:
> >
> > As you said i changed my bootcmd to
> > *bootcmd=movi read kernel 0 40800000;bootm 4080000*
>
> I really wonder which sort of U-Boot you are running.  "movi" is not a
> command present in mainline, not in any vendor port I am aware of.
> What exactly is this command supposed to do?
>
> Please change the boot command and include the commands
>
>         md 4080000 10;imi 4080000
>
> before the "bootm" part.
>
>
>
> Best regards,
>
> Wolfgang Denk
>
> --
> DENX Software Engineering GmbH,     MD: Wolfgang Denk & Detlev Zundel
> HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
> Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
> Hacking's just another word for nothing left to kludge.
>


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