Re: Debugging

[Hollis Blanchard]

On May 13, 2005, at 7:05 PM, Scott Becker wrote:

> On the two servers I've installed RHEL 4 on, I've had trouble with 
> grub. It's the combination of grub and the new I2O_block driver. I 
> suspect the grub patch to support I2O is lacking.

Are you referring to a particular patch?

> I was wondering if Grub 0.95 or 2.0 has a facility to trace the 
> changes being made when grub-install is being ran. After an install or 
> an update I had to run grub-install to get it to boot again. In 
> theory, this shouldn't be neccessary. Since it was, I thought it would 
> be useful to be able to compare the areas of the disk written to 
> during grub-install with what was written there before so that I could 
> trace down the problem.

I don't see anything like that in GRUB2's grub-setup.c, but it is a 
good idea.

I also don't see anything like that in GRUB Legacy's "grub". You could 
always strace...

-Hollis