Re: Grub not working with no VGA controller?

[Hari Narayanan]

Did  you try the following

serial --unit=0 --speed=9600 --parity=no --stop=1
/* the above means 9600 baud, 8 bits no parity. adjust according to
your settings */

terminal serial console

/* In your boot images put the following */
title blah
  root (hdx,x)
  kernel /boot/vmlinuz-mykernel ........ console=ttyS0
/* fill in the correct values for your system */

This should work

Hari



> From: Ilguiz Latypov <address@hidden>
> To: Liberty Young <address@hidden>
> CC: address@hidden
> Subject: Re: Grub not working with no VGA controller?
> Date: Thu, 18 Jul 2002 19:07:08 -0400 (EDT)
>
>
> On 18 Jul 2002, Liberty Young wrote:
>
> > With no VGA daughter board, Grub loads as normal, but after stage2 (with
> > the string of dots following), the system hangs. I get no output, no
> > menu, and worse, no boot of my system.
>
> 1. I think the problem can be due to the BIOS video INT 0x10 being used
>    everywhere in stage1 and stage2.  In this case you may need to
>    turn off VGA support in the BIOS settings.
>
>    If there is no such option, set up your own INT 0x10 handler, say, in
>    doc_stage1.S.  Such handler can point to the "iret" statement.  For an
>    example of setting up an interrupt handler, see the mentioned assember
>    code.
>
> 2. Are you using the following patch dated June 21, 2002?
>
>     http://savannah.gnu.org/bugs/?func=detailbug&bug_id=505&group_id=68
>
>    It may make sense to apply it to the then tested CVS snapshot
>    (-D 20020621).
>
>    Do any of the following messages appear?
>
>    a) "DoC found" is shown during the BIOS ROM extension scan when BIOS
>       finds and executes DoC 2000 IPL in its memory window.  The latter
>       will copy first 8K of flash memory to 0x2000:0 and jump there.  The
>       code at 0x2000 will output the above message and copy 512 bytes
>       from 0x2000:0 to the end of conventional memory?
>
>    b) "DoC 2000 at XXXX" is shown when BIOS invokes software interrupt INT
>       18h or INT19h.  The code copied in (a) will get called and read
>       stage2 into 0:0x7f00.
>
>    c) "DiskOnChip 2000 found at XXXX", "floor ..., chip ..., manufacturer
>       ..." and "Spare Media Header found ..." are displayed by the
>       bdev_diskonchip NFTL block read driver.
>
> Ilguiz
>
>
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