Hi Dirk,
From: Dirk Ritter <[EMAIL PROTECTED]>
Subject: GRUB 0.5.92 testing
Date: Sat, 7 Aug 1999 18:11:26 +0200 (CEST)
> Well - Grub still is rather Hurdish so I just carelessly postet this
> to the list in order to let others know about possible problems.
That's good, very good, but please post your mail to bug-grub as
well, whenever appropriate. Usually I don't read any mail in
debian-hurd very carefully but read everything in bug-grub very
seriously, as I'm the co-maintainer of GNU GRUB but not any member of
the Hurd core team. Therefore, it's possible for me to forget your
report if you don't post your report to bug-grub, even if it is very
important.
BTW if you assume GRUB is Hurdish, that's quite wrong. In fact, GRUB
supports GNU/Linux much better than GNU/Hurd at the moment.
> (hd0) configured as SCSI disk, (hd0,0) with ext2-fs:
> install= (hd0,0)/grub/stage1_lba d (hd0) (hd0,0)/grub/stage2
> 0x8000 p (hd0,0)/grub/menu.lst
> - does result in "Error: LBA", requires Ctrl-Alt-Del
Hmm... what you did seems to be correct... Could you test this patch
attached below? Applying this patch to grub-0.5.92, try the command
"geometry= (hd0)" in the ``native'' grub.
> (fd0), ext2-fs:
> install= (fd0)/grub/stage1_lba d (fd0) (fd0)/grub/stage2
> 0x8000 p (fd0)/grub/menu.lst
> - does result in "Error: LBA", requires Ctrl-Alt-Del
That's the correct result. AFAIK, any floppy drive does not allow
LBA access.
> (hd0) configured as IDE disk, (hd0,0) with ext2-fs:
> install= (hd0,0)/grub/stage1_lba d (hd0) (hd0,0)/grub/stage2
> 0x8000 p (hd0,0)/grub/menu.lst
> - works, i.e. stage2 is loaded (this shuts a lot of guesswork
> out I suppose, so I gave it a try today)
That's good to know.
> Yet another issue - is scrolling of lists with more than 12
> menu entries supposed to work?
I fixed the problem some months ago.
> - Loading OS/2 (v3.0, also known as Warp) from an HPFS formatted
> partition worked nicely, just use "root=(hd?,?)" and then
> "chainloader= +1" (No - I am unable to ever test this again
> since I nuked all proprietory stuff. Perhaps one needs to use
> "rootnoverify" instead, but even "root" should do.)
Thanks. I'll fix the example.
> - Using 'makeactive' seems not to be needed with various versions
> of DOS as well - I tried "chainloader= +1" with Novell DOS 7.0,
> DOS'95 and DOS-NT -- there have not been any problems so far
> (primary partitions only, I never used anything else)
I don't know if there is still any bootloader which looks for the
active flag in a boot drive, but it is not bad to set the flag.
----------------------------------------------------------------------
OKUJI Yoshinori <[EMAIL PROTECTED]> ^o-o^
http://duff.kuicr.kyoto-u.ac.jp/~okuji (in English) m /
--- grub-0.5.92.orig/stage2/cmdline.c Thu Jul 15 20:22:18 1999
+++ grub-0.5.92/stage2/cmdline.c Sun Aug 8 11:55:02 1999
@@ -661,6 +661,33 @@
grub_printf (" The quit command is ignored in Stage2\n");
#endif
}
+ else if (substring ("geometry", cur_heap) < 1)
+ {
+ set_device (cur_cmdline);
+
+ if (! errnum)
+ {
+ struct geometry geom;
+
+ if (get_diskinfo (current_drive, &geom))
+ errnum = ERR_NO_DISK;
+ else
+ {
+ char *msg;
+
+ if (geom.flags & BIOSDISK_FLAG_LBA_EXTENSION)
+ msg = "LBA";
+ else
+ msg = "CHS";
+
+ grub_printf ("drive 0x%x: C/H/S = %d/%d/%d, "
+ "The number of sectors = %d, %s\n",
+ current_drive,
+ geom.cylinders, geom.heads, geom.sectors,
+ geom.total_sectors, msg);
+ }
+ }
+ }
else if (*cur_heap && *cur_heap != ' ')
errnum = ERR_UNRECOGNIZED;
