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Re: Stage2 is not loaded

From: Volker Augustin
Subject: Re: Stage2 is not loaded
Date: Tue, 24 Oct 2000 13:47:57 +0200

concerning the failure to load stage2 i made the following discovery:
1. the old binary distribution works well, even if i compile it myself from the 

I downloaded the cvs version using the date option for every day since Oct. 1. 
The results are:
2. beginning with Oct. 20, it does not work anymore -> The error has to do with 
APM, since this was introduced or modified on Oct. 20.
3. the version 19, 18, ... x (where x is not yet known - i did not test this 
all out yet) do only work, if my ZIP-Drive is not installed in my computer. I 
have no idea why this happens.

Future debug plans:
1. I'll get the latest release now and will try it.
2. I'll insert more printf's ...

Volker Augustin

>>> "Volker Augustin" <address@hidden> 10/21 7:58  >>>

>First of all, try another floppy disk, because floppy disks are
>fragile. In fact, I've broken a number of floppies, to test GRUB.

I tried that. To no avail. :-(

>If the phenomenon is reproducible, investigate where GRUB hangs
>up. It is rather difficult to debug assembly code, but you can easily
>debug C code by inserting grub_printf calls into some places. For
>example, you write this: [...]

>If I were you, I would first add DEBUG_PRINTs into the function
>init_bios_info in common.c and the function cmain in stage2.c.

I inserted DEBUG_PRINTs into cmain in stage2.c. The message is not printed and 
it's right at the beginning. I did not look at init_bios_info in common.c yet. 
However, since the message in cmain is not printed, I assume stage1 is faulty. 
Now, what modifications where made to that part after the LAST (not the 
current) release? Maybe i should mention my system configuration:
Abit BP6 motherboard, 128MB RAM, 2 Celeron 466, EIDE Hard disk, SCSI-Controller

By the way: The disks work in my other computers, i.e. grub boots ok there.

Any ideas? Volker

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