2008-04-27 10:23:06     how to load kernel by seiral?

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2008-04-27 10:23:06     how to load kernel by seiral?

zhi shaolong (CHINA)

Message: 55056    hi

 

i tey to load the kernel(named linux) via seiral. i use minicom.

 

after the u-boot start,

 

i enter loady:

 

bfin>loady

 

then choose the ymodem,then tag the /root/linux

 

but error occurs:failure executing protocol Press any key to continue

 

what is the problem?btw,i configured the minicom as the terminal programme document

 

thank you!.

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2008-04-27 17:42:28     Re: how to load kernel by seiral?

Mike Frysinger (UNITED STATES)

Message: 55060    please describe your actual setup.  what version of u-boot/toolchain are you using ?  what hardware are you using ?  what is reporting the error ?  minicom or the board ?  when you reconnect to the board, is it still working ?

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2008-04-28 10:23:50     Re: how to load kernel by seiral?

zhi shaolong (CHINA)

Message: 55137   

 

i connect the board to the host via serial.

 

and i configured the minicom as http://docs.blackfin.uclinux.org/doku.php?id=terminal_programs said.

 

then reset ,u-boot start,

 

enter "loday"

 

use the minicom escape sequence (ctrl+a by default) followed by typing s . Select ymodem in the list. Browse to the file select /tftpboot/linux and mark it. Then  select OK at the bottom of the file selector.

 

but an error occurs:failure executing protocol,Press any key to continue....

 

what is the problem?

 

thank you!

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2008-04-28 11:27:42     Re: how to load kernel by seiral?

Robin Getz (UNITED STATES)

Message: 55154    Zhi:

 

Couple things:

 

You said:

>enter "loday"

Do you mean "loady"?

 

2nd:

What is the minicom config look like?

 

CTRL-A O (for configuration)

 

Then

File transfer protocols

 

|     Name             Program                 Name U/D FullScr IO-Red. Multi  |

| A  zmodem     /usr/bin/sz -vv -b              Y    U    N       Y       Y    |

| B  ymodem     /usr/bin/sb -vv                 Y    U    N       Y       Y    |

| C  xmodem     /usr/bin/sz -X -vv              Y    U    N       Y       N    |

| D  zmodem     /usr/bin/rz -vv -b              N    D    N       Y       Y    |

| E  ymodem     /usr/bin/rb -vv                 N    D    N       Y       Y    |

| F  xmodem     /usr/bin/rx -vv                 Y    D    N       Y       N    |

| G  kermit     /usr/bin/kermit -i -l %l -s     Y    U    Y       N       N    |

| H  kermit     /usr/bin/kermit -i -l %l -r     N    D    Y       N       N    |

| I  ascii      /usr/bin/ascii-xfr -dsv         Y    U    N       Y       N    |

 

Do you have the /usr/bin/sb application.

 

3rd:

have you tried "loadb" with kermit protocol?

 

-Robin

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