RE: Weird: 30 sec delay during early boot

From: David Balazic
Date: Fri Jul 30 2004 - 07:56:44 EST




> ----------
> From: Matt Domsch[SMTP:Matt_Domsch@xxxxxxxx]
> Sent: 29. julij 2004 18:02
> To: David Balazic
> Cc: Dave Jones; Andries Brouwer; Jeff Garzik; Pavel Machek; Linux
> Kernel; Andi Kleen; Andrew Morton
> Subject: Re: Weird: 30 sec delay during early boot
>
> On Thu, Jul 29, 2004 at 03:05:10PM +0200, David Balazic wrote:
> > > David, you had said before that by downgrading your BIOS you no longer
> > > saw the delay. Is this not still true?
> > >
> > Still true, downgrading removes the delay.
>
> OK, then I'm inclined to believe it's a BIOS bug really...
>
> > > You also mentioned that Grub made different calls. I'll check that
> > > out too.
> > >
> > Can you make a patch, that only accesses hd0 and hd1 ?
>
> Reduce the value of
> #define EDD_MBR_SIG_MAX 16
>
> in include/linux/edd.h to whatever value you like, e.g. 2.
>
I set this to "1" and got the same delay ... :-(

> > Or one which prints what is it doing, on each step ?
> > ( I tried this one myself, but it did not work :blush: , IA32 assembler
> > is not my strong side )
>
> That's more PITA - it's in real mode, before anything's ever been
> printed. I'd prefer not to have to figure that out if I can avoid it.
>
> Thanks,
> Matt
>
> --
> Matt Domsch
> Sr. Software Engineer, Lead Engineer
> Dell Linux Solutions linux.dell.com & www.dell.com/linux
> Linux on Dell mailing lists @ http://lists.us.dell.com
>
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