[Soekris] strange 4801 console characters

Jim Cromie jim.cromie at gmail.com
Tue Jun 5 05:01:37 UTC 2012


On Mon, Jun 4, 2012 at 10:17 PM, Mouse <mouse at rodents-montreal.org> wrote:
>> 3.  Scrambled: many high-bit characters
>
> Not that it's a fix, but it may point you in a useful direction: is a
> given character either always corrupted or never corrupted?  If so, it
> might be worth looking at the parity of the characters; I've seen more
> or less this behaviour when using an 8-bit-clean input and display to
> talk with something that ignores input parity but generates even (or
> odd) parity for echoed characters.
>

Soekris has a weird add-console-and-vga-together on console.

you didnt say how youre booting,
but for me grub booting with output to serial
works with this:

serial --speed=115200
terminal serial

timeout 5
default 5

title          Voyage Linux 0.8 (Build Date 20111122)
root (hd0,0)
kernel /vmlinuz root=LABEL=ROOT_FS  console=ttyS0,115200n8 all_generic_ide ide_c
ore.nodma=0.0 ide_core.nodma=0.1
initrd /initrd.img


IIRC, pxelinux likes:
SERIAL 0 115200
CONSOLE 0





>> Commands are recognized even though the echoed letters are wrong.
>
> This matches the "parity" conjecture above.
>
>                                        Mouse
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