bugGNU GRUB - Bugs: bug #486, map doesn't work in some...

 
 

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bug #486: map doesn't work in some environments

Submitter:  Yoshinori K. Okuji <okuji>
Submitted:  Tue 28 May 2002 09:26:35 PM UTC
   
 
Category:  Booting Severity:  Ordinary
Priority:  3 - Low Item Group:  Software Error
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Closed Release:  None
Release:  0.92 Reproducibility:  Intermittent
Planned Release:  None

Sat 15 Dec 2007 11:21:20 AM UTC, comment #4: 


We've moved to GRUB 2 as a development platform.  Please can you check if this bug still applies there, and if it does, reopen it?

Thanks

Robert Millan <robertmh>
Group administrator
Mon 06 Sep 2004 08:45:26 PM UTC, comment #3: 

"Little is known about this problem. Someone who experienced the problem
actually should address the problem. Otherwise, I cannot do anything
with the problem. "

it seems to me there's something quite fundamental you could do without any knowledge whatsoever of the specific problems that the map command [as opposed to the map person, namely me ... hey, it's my monogram and always has been]  has caused: if you were to document exactly how grub effects the mapping, perhaps i -- and others -- could at least manage to get out of the tangles the mapping can get one into when one innocently uses it without knowing exactly what it's going to do, how to make it undo what it did, and perhaps most important of all, whether the mapping is persistent or just per-invocation [which would, of course, presumably be clear if the how/what information were furnished.

indeed, not to put too fine a point on it, how/what, undoing, and persistence information should have been in the manual all the long.  [but please don't make me wait for a new manual to find out what i need to know and am too retired to feel like digging into the sources to find out for myself.]

cheers, map

mike padlipsky <map>
Mon 12 Aug 2002 11:16:32 PM UTC, comment #2: 

Sorry, I forgot to add (re win98 grub cross-booting issues)
John S. Findlay - -email is unavailable-

Anonymous
Mon 12 Aug 2002 11:11:58 PM UTC, comment #1: 

I have found a 'map' related issue with grub 0.90-11.

I have 2 hard drives: ide channel 1 primary master (linux)
and ide channel 1 slave (win98).

I can use the bios (ancient ASUS P5A-B motherboard) to boot from what
it calls 'C' (ide  channel 1 master) or 'D' (ide channel 1 slave).  Either way  linux or win98 boot ok.

If I use grub in the MBR on ide channel 1 master, it will not boot the win98 on the slave (as expected) unless I use the 'map' command in the grub.conf to 'swap' the drives around. 

However, even though I can get grub to boot win98 this way, the resultant win98 environment is broken. The win98 drive (Quantun CR8.4) on ide channel 1 slave is chopped up  into three partitions which come up normally as C: D: and E:. If I use grub on the MBR of the master to boot win98, it comes up with C: D: E: F: and G: .  C: is ok, but D: & E: and don't work at all, and the 'real' 2nd and 3rd partitions are now mapped to F: and G:.

If instead of using grub I use lilo, this fault does not occur, i.e C: D: and E: come up normally. Also, when booting to the win98 disk from lilo, no screen messages appear that you would'nt normally see, but when using grub the 'map' instruction appear on the screen in between the various win98 splash screens as they come and go before it finally takes over properly.


Anonymous
Tue 28 May 2002 09:26:35 PM UTC, original submission:  

The command "map" seems not to work properly in some environments.
Little is known about this problem. Someone who experienced the problem
actually should address the problem. Otherwise, I cannot do anything
with the problem.

Okuji

Yoshinori K. Okuji <okuji>
Group administrator

 

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Carbon-Copy List
  • -email is unavailable- added by robertmh (Posted a comment)
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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2007-12-15 robertmh Open/ClosedOpen Closed
    2004-09-06 map Carbon-Copy- Added okuji
    2002-05-30 okuji Release

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