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Re: Creating a floppy image for bochs

From: Jeroen Dekkers
Subject: Re: Creating a floppy image for bochs
Date: Sun, 18 Jan 2004 18:54:26 +0100
User-agent: Mutt/1.5.4i

On Sun, Jan 18, 2004 at 05:13:04PM +0100, Niels M?ller wrote:
> address@hidden (Niels M?ller) writes:
> > Then I point "floppya" in the .bochsrc file to this image, and run
> > "bochs boot:a". GRUB is able to load the modules, but then the virtual
> > machine crashes, I guess next thing to do is to read up on the patches
> > that were needed for pistatchio-0.3.
> I'm kind of stuck here. I reconfigured and recompiled sigma0 with
> --with-s0-linkbase=0x40000, as suggested in the hurd-l4 README. I also
> updated my menu.lst to read
>   title Hurd-L4
>   kernel /boot/laden -D -o vga
>   module /boot/ia32-kernel
>   module /boot/sigma0
>   module /boot/wortel -D
>   module /boot/physmem
>   title Ping-pong
>   kernel /boot/kickstart
>   module /boot/ia32-kernel
>   module /boot/sigma0
>   module /boot/pingpong
> The first entry gives me some output about memory regions (not sure if
> that's laden or wortel or both, I have to check), then crashes:
>   00011780733i[CPU  ] MOV_RdCd: read of CR4
>   00011780735i[CPU  ] MOV_CdRd: ignoring write to CR4 of 0x00000010
>   00011780735i[CPU  ] MOV_CdRd: (CR4) write of 0x00000010 not supported!
>   00011780736i[CPU  ] MOV_RdCd: read of CR4
>   00011780738i[CPU  ] MOV_CdRd: ignoring write to CR4 of 0x00000080
>   00011780738i[CPU  ] MOV_CdRd: (CR4) write of 0x00000080 not supported!
>   00011780742p[CPU  ] >>PANIC<< exception(): 3rd exception with no resolution

You probably selected i686 as CPU and that uses CPU features not
supported by bochs.  Choosing Pentium1 should work.

Jeroen Dekkers

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