linux-kernel - Re: EDD still failing on some systems with 2.6.23-rc6-git2

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Message-ID: <46EE9E08.60604@zytor.com>
Date:	Mon, 17 Sep 2007 08:32:24 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Chuck Ebbert <cebbert@...hat.com>
CC:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: EDD still failing on some systems with 2.6.23-rc6-git2

Chuck Ebbert wrote:
> 
> Still fails. And apparently fails on disk 0, because it hangs right
> after printing a zero:
> 
> --- linux-2.6.22.noarch.orig/arch/i386/boot/edd.c
> +++ linux-2.6.22.noarch/arch/i386/boot/edd.c
> @@ -151,6 +151,7 @@ void query_edd(void)
>                  * Scan the BIOS-supported hard disks and query EDD
>                  * information...
>                  */
> +               putchar('0' + (devno - 0x80) % 10);
>                 get_edd_info(devno, &ei);
> 
>                 if (boot_params.eddbuf_entries < EDDMAXNR) {

You know... we actually do have printf()... you don't have to play this
kind of games; you can just printf("Drive %x...\n", devno);

So does this happen ONLY when booting from CD-ROM, or is there any other
case when it fails, too?

	-hpa
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