Debian release 0.5-2.

2026-10-28 10:10:29 +00:00 · 1999-02-22 03:10:37 +00:00
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+From nobody Mon Feb  1 15:36:44 1999
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+In-reply-to: <36966815.9DA7E110@rupert.informatik.uni-stuttgart.de> (message
+	from Matthias Pfisterer on Fri, 08 Jan 1999 21:18:29 +0100)
+Subject: Re: Debian GNU/Hurd Base Set "gnu-19990104" available now!
+From: edmundo@rano.demon.co.uk
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+Sender: Edmund GRIMLEY EVANS <ege@rano.demon.co.uk>
+Date: Sat, 9 Jan 1999 00:45:52 +0000
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+
+> Also, there seems to be a problem booting from internal LS-120 drives.
+> Normal operating systems (Windows...) can boot from internal drives if
+> the BIOS can handle it. GRUB hangs when I try to boot from an ordinary
+> 3,5" disk inserted into the LS-120. I've tested GRUB 0.4, but not
+> further explored this issue. It may be a problem of GRUB, but perhaps it
+> is a problem of the chipset or the BIOS. I will give a detailed report
+> once I've tested it with the newest version of GRUB.
+
+I wrote about this problem earlier in debian-hurd (2 Dec).
+
+I hacked my copy of GRUB so that it works from my internal LS-120. I'm
+copying the relevant paragraphs again, below.
+
+By the way, SYSLINUX boots off my LS-120 without problems: it applies
+a different algorithm for deciding whether the device is a floppy or a
+hard disc. Boot sectors can be quite amusing, really ...
+
+Edmund
+
+
+
+As I wrote before, the GRUB boot floppy provided with gnu-0.2.tar.gz
+doesn't work off my LS120 IDE floppy. Neither does the 0.5 release of
+GRUB, which I built from source. However, after many failed
+experiments, I managed to modify grub-0.5's boot sector so that it
+works with both my ordinary and my IDE floppies. (I include the patch
+below, and I will tell Erich about my experiences.)
+
+...
+
+My GRUB patch:
+
+It's just a hack, not a serious attempt to improve the software, but it
+did give a floppy that boots off both my ordinary and my IDE floppy drives.
+
+In grub-0.5/stage1/stage1.S the patch is:
+
+< 	andb	$BIOS_HD_FLAG, %al
+<
+< 	/* jz	floppy_probe */
+< 	.byte	0x0f, 0x84; REL(floppy_probe)
+---
+> 	orb	$BIOS_HD_FLAG, %al
+>
+> 	/* jz	floppy_probe */
+> 	.byte	0x0f, 0x84; REL(floppy_probe)
+
+If you prefer to patch the binary boot sector, the change is:
+
+< 24 80
+---
+> 0c 80
+
+That's at address 0x55 in grub-0.5/bin/stage1; the address is
+different, no doubt, in the Hurd's boot floppy, which is based on an
+earlier release of GRUB, but the same change might work for that too.
+
+Edmund
+
+
+--
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+
+To: Erich Boleyn <erich@uruk.org>
+cc: debian-hurd@lists.debian.org
+Subject: GRUB installation thoughts
+X-Attribution:  Gord
+Gcc: nnml:archive
+Mime-Version: 1.0 (generated by tm-edit 7.106)
+Content-Type: text/plain; charset=US-ASCII
+From: Gordon Matzigkeit <gord@trick.fig.org>
+Date: 02 Feb 1999 13:24:24 -0600
+Message-ID: <86iudk1udz.fsf@trick.fig.org>
+Lines: 47
+--text follows this line--
+Hi!
+
+I've been thinking about GRUB and how to make installation easier.
+Here is my plan of how Debian GNU/Hurd installation should work:
+
+1) Boot from floppy or CD or whatever, and GRUB starts.  You get
+   a menu like this:
+
+   Install Debian GNU/Hurd
+   Boot an installed Debian GNU/Hurd system
+   Install GRUB
+
+2) Go through a typical Debian installation.  The install process will
+   ask you to mark your partition(s) as type 63 (currently reserved
+   for the GNU Hurd, for some odd reason... I wonder how that
+   happened?).
+
+3) When the base set is installed, the system reboots from the floppy
+   again.  At that point, all the other menu options should work.
+
+I'd like to implement a GRUB feature so that `(hd:0x63)' means `the
+first hard disk partition that is of type 0x63'.
+
+So, the floppy's menu.lst can look something like this:
+
+title  = Install Debian GNU/Hurd
+root   = (fd0)
+kernel = /boot/gnumach.gz
+
+title  = Boot an installed Debian GNU/Hurd system
+root   = (hd:0x63)
+kernel = /boot/gnumach.gz
+
+title  = Install GRUB in the Debian GNU/Hurd root partition
+root   = (hd:0x63)
+install= (fd0)+1 (hd:0x63) (hd:0x63)/boot/grub/fs_stage1_5 0x2000 p
+
+The last bit of magic is to make sure gnumach uses the Multiboot
+`boot_device' parameter as its default root, so that we don't need to
+specify a root= option to Mach.
+
+Comments?
+
+--
+ Gordon Matzigkeit <gord@fig.org> //\ I'm a FIG (http://www.fig.org/)
+    Lovers of freedom, unite!     \// I use GNU (http://www.gnu.org/)
+[Unfortunately, www.fig.org is broken.  Please stay tuned for details.]