bugGNU GRUB - Bugs: bug #27920, BIOS-type computer with GPT...

 
 

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bug #27920: BIOS-type computer with GPT bootdisk doesn't find filesystem(s) on another disk which is MBR/msdos type

Submitter:  Sami Olmari <olmari>
Submitted:  Tue 03 Nov 2009 07:23:47 AM UTC
   
 
Category:  Disk & Partition Severity:  Major
Priority:  5 - Normal Item Group:  None
Status:  Fixed Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Closed Release:  1.97
Release:  Reproducibility:  Every Time
Planned Release:  None

Thu 27 May 2010 02:49:28 PM UTC, comment #2: 

Fixed

Robert Millan <robertmh>
Group administrator
Wed 04 Nov 2009 01:27:49 AM UTC, comment #1: 

Meh... Typo correction: I meant ofcourse /etc/default/grub... So correct sentence would be:

Solution is to add "GRUB_PRELOAD_MODULES=part_msdos" into /etc/default/grub so grub will load that module at boot time, which in turn will make the secondary msdos-type disc usable again.

Sami Olmari <olmari>
Tue 03 Nov 2009 07:23:47 AM UTC, original submission:  

I have amd64 computer which is obviously BIOS-based system, then mine boot harddisk is GPT-type. All works well with this so far, but I also have secondary HD that is MBR/msdos type, which has Windows in there.

30_osprober script finds the drive/partitions and generates nice menuitem for it, but grub throws error about couldn't find uuid xxxxxxxx, thus not working menuitem.

ls -l at grub commandline shows there is hd1 but like it would contain nothing.

Solution is to add "GRUB_PRELOAD_MODULES=part_msdos" into /etc/grub/default so grub will load that module at boot time, which in turn will make the secondary msdos-type disc usable again.

Maybe this "GPT-bootdisc in BIOS-computer" is rather rare configuration, but nevertheless would be great if this type of feature would work "out of box"

Sami Olmari <olmari>

 

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Carbon-Copy List
  • -email is unavailable- added by robertmh (Posted a comment)
  • -email is unavailable- added by olmari (Submitted the item)
  • -email is unavailable- added by olmari (This is the "add part_msdos to /etc/default/grub" bug we talked at #grub)
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    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2010-05-27 robertmh StatusNone Fixed
        Open/ClosedOpen Closed
    2009-11-03 olmari Carbon-Copy- Added phcoder

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